question stringlengths 53 270 | choice listlengths 4 4 | answer stringlengths 8 167 | id stringlengths 8 26 | audio_url stringlengths 35 53 | question_type stringclasses 7
values |
|---|---|---|---|---|---|
What type of vocalization is identified in the audio recording? | [
"A. Clicks, squawks, and whistles",
"B. Long, continuous hums",
"C. Rhythmic drumming sounds",
"D. High-pitched trills without clicks"
] | A. Clicks, squawks, and whistles | 54024002 | ../../local_audio_path/54024002.wav | vocalization |
Based on the sound recording, which of the following most accurately describes the acoustic characteristics of the signal? | [
"A. A series of high-frequency sounds above 10 kHz with steady amplitude and no modulation.",
"B. A mixture of low- to mid-frequency modulated tones between 2–8 kHz, accompanied by rapid, rhythmic variations in amplitude.",
"C. A continuous low-frequency hum below 1 kHz with no distinct tonal structure.",
"D.... | B. A mixture of low- to mid-frequency modulated tones between 2–8 kHz, accompanied by rapid, rhythmic variations in amplitude. | 54024004 | ../../local_audio_path/54024004.wav | understand_acoustics |
Given the following sound sequence: Sound 1 occurs before the first silence, Sound 2 occurs after the first silence, and Sound 3 occurs after the second silence. Which sound is most dominant in lower frequencies? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All the same"
] | C. Sound 3 | 54024004_7101001D_79002013 | ../../local_audio_path/54024004_7101001D_79002013.wav | apply_frequency |
Which species is identified from the sound recording? | [
"A. Long-Finned Pilot Whale (Globicephala melaena)",
"B. Sperm Whale (Physeter macrocephalus)",
"C. False Killer Whale (Pseudorca crassidens)",
"D. Risso's Dolphin (Grampus griseus)"
] | A. Long-Finned Pilot Whale (Globicephala melaena) | 54024005 | ../../local_audio_path/54024005.wav | species |
What is a unique social behavior of the species that produced the sound in the given recording? | [
"A. Babysitting calves that are not their own, often by males",
"B. Using their pectoral fins to build underwater nests",
"C. Forming temporary alliances with other marine species to hunt crustaceans",
"D. Migrating in solitary pairs rather than in groups"
] | A. Babysitting calves that are not their own, often by males | 54024006 | ../../local_audio_path/54024006.wav | remember |
Based on the sound recording, which of the following best describes the acoustic characteristics of the signal in the spectrogram? | [
"A. A series of high-frequency tonal sounds above 20 kHz with minimal modulation.",
"B. Distinct modulated tones in the mid-frequency range of 2–8 kHz, with harmonic structures visible over time.",
"C. A continuous low-frequency rumble below 1 kHz, with no distinct tonal patterns.",
"D. Broad, scattered noise... | B. Distinct modulated tones in the mid-frequency range of 2–8 kHz, with harmonic structures visible over time. | 5402400A | ../../local_audio_path/5402400A.wav | understand_acoustics |
Which of the following is a unique characteristic of the species that produced the sound in the given recording? | [
"A. It migrates up to 16,000 km annually between feeding and breeding grounds.",
"B. It uses echolocation to communicate and locate prey.",
"C. It constructs nests in shallow waters for breeding and protection.",
"D. It primarily feeds on large squid in deep-sea environments."
] | A. It migrates up to 16,000 km annually between feeding and breeding grounds. | 55113002 | ../../local_audio_path/55113002.wav | remember |
Which species is identified from the sound recording? | [
"A. Humpback Whale (Megaptera novaeangliae)",
"B. Blue Whale (Balaenoptera musculus)",
"C. Sperm Whale (Physeter macrocephalus)",
"D. Fin Whale (Balaenoptera physalus)"
] | A. Humpback Whale (Megaptera novaeangliae) | 55113007 | ../../local_audio_path/55113007.wav | species |
What unique physical feature is characteristic of the species that produced the sound in the given recording? | [
"A. A dorsal fin with multiple sharp spines used for defense",
"B. Tubercles on the head and front edge of the flippers, which may have a sensory function",
"C. A prominent hump on its back used for storing fat reserves during migration",
"D. A long and narrow beak adapted for catching small crustaceans"
] | B. Tubercles on the head and front edge of the flippers, which may have a sensory function | 5511300F | ../../local_audio_path/5511300F.wav | remember |
What type of vocalization is predominantly heard in the sound recording? | [
"A. Whistles with low-frequency background noise",
"B. High-pitched modulated tones without background interference",
"C. Repeated echolocation clicks in a quiet environment",
"D. Continuous tonal hums with no additional noise"
] | A. Whistles with low-frequency background noise | 56006005 | ../../local_audio_path/56006005.wav | vocalization |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound is most dominant in lower frequencies? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All the same"
] | C. The third sound | 56006005_6800200A_8800600N | ../../local_audio_path/56006005_6800200A_8800600N.wav | apply_frequency |
Based on the acoustic characteristics of the sound recording, which of the following best describes the signal observed in the spectrogram? | [
"A. A continuous low-frequency noise below 1 kHz, with no distinct features.",
"B. A series of high-frequency modulated tones above 10 kHz, with harmonic structures visible over time.",
"C. A broad-spectrum noise evenly distributed across all frequencies, with no distinct modulations.",
"D. A single, steady l... | B. A series of high-frequency modulated tones above 10 kHz, with harmonic structures visible over time. | 5600600B | ../../local_audio_path/5600600B.wav | understand_acoustics |
Which species and vocalization type is most likely represented in the audio recording? | [
"A. Bottlenose Dolphin (Tursiops truncatus) producing high-frequency whistles and echolocation clicks",
"B. Humpback Whale (Megaptera novaeangliae) producing long melodic moans",
"C. Killer Whale (Orcinus orca) producing burst-pulse calls and whistles",
"D. Spinner Dolphin (Stenella longirostris) producing ra... | A. Bottlenose Dolphin (Tursiops truncatus) producing high-frequency whistles and echolocation clicks | 5600600D | ../../local_audio_path/5600600D.wav | both |
What is a distinctive feature of the species that produced the sound in the given recording? | [
"A. Rough patches of skin on its head that appear white due to whale lice",
"B. Long, sharp dorsal fins used for steering during high-speed swims",
"C. Brightly colored patterns on its body for camouflage in coral reefs",
"D. Teeth specifically adapted for catching and holding slippery fish"
] | A. Rough patches of skin on its head that appear white due to whale lice | 5601700F | ../../local_audio_path/5601700F.wav | remember |
Based on the sound recording, which of the following most accurately describes the acoustic characteristics of the signal? | [
"A. A continuous low-frequency hum around 400 Hz with additional scattered noise and a brief tonal sound.",
"B. A series of high-pitched modulating tones above 4 kHz, with no distinct low-frequency components.",
"C. A broad, continuous noise pattern evenly distributed across all frequencies without tonal featur... | A. A continuous low-frequency hum around 400 Hz with additional scattered noise and a brief tonal sound. | 5601700O | ../../local_audio_path/5601700O.wav | understand_acoustics |
Based on the sound recording, which of the following best describes the acoustic characteristics of the signal? | [
"A. A continuous low-frequency hum at approximately 60 Hz with additional noise around 760 Hz.",
"B. A series of high-pitched modulating tones above 3 kHz with minimal background noise.",
"C. A broad-spectrum noise covering all frequencies evenly with no distinguishable patterns.",
"D. A sequence of mid-frequ... | A. A continuous low-frequency hum at approximately 60 Hz with additional noise around 760 Hz. | 56018002 | ../../local_audio_path/56018002.wav | understand_acoustics |
Which of the following threats is the most significant cause of mortality for the species that produced the sound in the given recording? | [
"A. Predation by orcas in coastal regions",
"B. Collision with ships while migrating through busy shipping lanes",
"C. Starvation due to declining populations of large fish species",
"D. Habitat loss caused by coral reef destruction"
] | B. Collision with ships while migrating through busy shipping lanes | 56018004 | ../../local_audio_path/56018004.wav | remember |
What species and vocalization type does the sound recording most likely represent? | [
"A. Northern Right Whale (Eubalaena glacialis) - Groan with consistent ship noise at approx. 796 Hz",
"B. Blue Whale (Balaenoptera musculus) - Low-frequency moans",
"C. Sperm Whale (Physeter macrocephalus) - Series of clicking sounds",
"D. Humpback Whale (Megaptera novaeangliae) - Complex song sequences"
] | A. Northern Right Whale (Eubalaena glacialis) - Groan with consistent ship noise at approx. 796 Hz | 56025001 | ../../local_audio_path/56025001.wav | both |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound is most dominant in lower frequencies? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All the same"
] | A. The first sound | 56025001_9101200C_70006004 | ../../local_audio_path/56025001_9101200C_70006004.wav | apply_frequency |
Which of the following threats is a leading cause of death for the species that produced the sound in the given recording? | [
"A. Habitat destruction due to coral bleaching",
"B. Being struck by ships while migrating through busy shipping lanes",
"C. Predation by orcas in open ocean waters",
"D. Starvation caused by competition with other baleen whales"
] | B. Being struck by ships while migrating through busy shipping lanes | 56025009 | ../../local_audio_path/56025009.wav | remember |
Based on the sound recording, which of the following most accurately describes the acoustic characteristics of the signal? | [
"A. A consistent low-frequency tone near 800 Hz, accompanied by harmonics and faint background noise.",
"B. A rapidly modulating high-frequency sound above 4 kHz with no discernible harmonics.",
"C. A random distribution of noise across all frequencies, creating a chaotic sound texture.",
"D. A single high-pi... | A. A consistent low-frequency tone near 800 Hz, accompanied by harmonics and faint background noise. | 5602500N | ../../local_audio_path/5602500N.wav | understand_acoustics |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound has the longest duration? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All sounds are indistinguishable in duration"
] | A. The first sound | 56026007_71001033_5601601O | ../../local_audio_path/56026007_71001033_5601601O.wav | apply_duration |
Which species is identified from the sound recording? | [
"A. Northern Right Whale (Eubalaena glacialis)",
"B. Humpback Whale (Megaptera novaeangliae)",
"C. Blue Whale (Balaenoptera musculus)",
"D. Sperm Whale (Physeter macrocephalus)"
] | A. Northern Right Whale (Eubalaena glacialis) | 5602600A | ../../local_audio_path/5602600A.wav | species |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound has the longest duration? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All sounds are indistinguishable in duration"
] | B. The second sound | 5602600A_88006038_61026004 | ../../local_audio_path/5602600A_88006038_61026004.wav | apply_duration |
Which species and vocalization type does the sound recording most likely represent? | [
"A. Northern Right Whale (Eubalaena glacialis) - Long groan",
"B. Humpback Whale (Megaptera novaeangliae) - Complex song phrases",
"C. Bottlenose Dolphin (Tursiops truncatus) - High-frequency whistles",
"D. Sperm Whale (Physeter macrocephalus) - Regular clicking patterns"
] | A. Northern Right Whale (Eubalaena glacialis) - Long groan | 56028001 | ../../local_audio_path/56028001.wav | both |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound has the longest duration? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All sounds are indistinguishable in duration"
] | A. The first sound | 57021002_91013008_75003014 | ../../local_audio_path/57021002_91013008_75003014.wav | apply_duration |
Which of the following is a notable characteristic of the species that produced the sound in the given recording? | [
"A. It has a bulbous head and is often found in deep, offshore waters.",
"B. It constructs nests along coastal areas for resting and birthing.",
"C. It is solitary and rarely interacts with others of its kind.",
"D. It primarily feeds on plankton by filter-feeding at the ocean surface."
] | A. It has a bulbous head and is often found in deep, offshore waters. | 57021003 | ../../local_audio_path/57021003.wav | remember |
Given the following sound sequence: Sound 1 occurs before the first silence, Sound 2 occurs after the first silence, and Sound 3 occurs after the second silence. Which sound has the highest pitch? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All the same"
] | B. Sound 2 | 57021004_7500502S_7200500P | ../../local_audio_path/57021004_7500502S_7200500P.wav | apply_frequency |
Which species is identified from the sound recording? | [
"A. Short-Finned (Pacific) Pilot Whale (Globicephala macrorhynchus)",
"B. Killer Whale (Orcinus orca)",
"C. Risso's Dolphin (Grampus griseus)",
"D. False Killer Whale (Pseudorca crassidens)"
] | A. Short-Finned (Pacific) Pilot Whale (Globicephala macrorhynchus) | 57021007 | ../../local_audio_path/57021007.wav | species |
Which of the following is a distinguishing characteristic of the species that produced the sound in the given recording? | [
"A. It is known for its ability to survive in freshwater environments for extended periods.",
"B. It frequently engages in mass strandings, a behavioral phenomenon observed in the species.",
"C. It relies on krill as its primary source of food, similar to baleen whales.",
"D. It constructs complex underwater ... | B. It frequently engages in mass strandings, a behavioral phenomenon observed in the species. | 5702100A | ../../local_audio_path/5702100A.wav | remember |
Given the following sound sequence: Sound 1 occurs before the first silence, Sound 2 occurs after the first silence, and Sound 3 occurs after the second silence. Which sound has the longest duration? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All sounds are indistinguishable in duration"
] | C. Sound 3 | 5702100A_72005003_8800600F | ../../local_audio_path/5702100A_72005003_8800600F.wav | apply_duration |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound is most dominant in higher frequencies? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All sounds are the same"
] | B. The second sound | 5702100A_9101200C_88006038 | ../../local_audio_path/5702100A_9101200C_88006038.wav | apply_frequency |
Based on the sound recording, which of the following most accurately describes the primary acoustic features of the signal? | [
"A. A series of ascending tones in the mid-frequency range of 2–8 kHz, with clear harmonic structures and a second, faint background sound.",
"B. A continuous low-frequency sound below 1 kHz with no clear harmonic patterns.",
"C. Sporadic high-frequency bursts above 12 kHz, lacking distinct tonal patterns.",
... | A. A series of ascending tones in the mid-frequency range of 2–8 kHz, with clear harmonic structures and a second, faint background sound. | 5702100B | ../../local_audio_path/5702100B.wav | understand_acoustics |
Which species is identified from the sound recording? | [
"A. Short-Finned (Pacific) Pilot Whale (Globicephala macrorhynchus)",
"B. False Killer Whale (Pseudorca crassidens)",
"C. Sperm Whale (Physeter macrocephalus)",
"D. Long-Finned Pilot Whale (Globicephala melas)"
] | A. Short-Finned (Pacific) Pilot Whale (Globicephala macrorhynchus) | 5702100C | ../../local_audio_path/5702100C.wav | species |
Based on the sound recording, which of the following best describes the acoustic characteristics of the signal? | [
"A. A high-pitched series of modulated tones rising above 10 kHz, with clear harmonic structures.",
"B. A continuous low-frequency rumble below 500 Hz with no significant modulation.",
"C. A steady tone in the mid-frequency range of 2–5 kHz with no observable harmonic content.",
"D. A dense noise spread evenl... | A. A high-pitched series of modulated tones rising above 10 kHz, with clear harmonic structures. | 5702100F | ../../local_audio_path/5702100F.wav | understand_acoustics |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound has the longest duration? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All sounds are indistinguishable in duration"
] | C. The third sound | 5702100F_65033002_83035003 | ../../local_audio_path/5702100F_65033002_83035003.wav | apply_duration |
Based on the acoustic characteristics of the sound, which of the following best describes the primary features of the recording? | [
"A. A series of high-frequency tones above 15 kHz, with rapid modulation and occasional harmonics.",
"B. Continuous low-frequency hums below 1 kHz, with no distinct tonal structure.",
"C. A sequence of mid-to-high frequency tones between 3–12 kHz, with distinct harmonic patterns visible over time.",
"D. Broad... | C. A sequence of mid-to-high frequency tones between 3–12 kHz, with distinct harmonic patterns visible over time. | 5702100L | ../../local_audio_path/5702100L.wav | understand_acoustics |
Which species and vocalization type does the sound recording most likely represent? | [
"A. Short-Finned Pilot Whale (Globicephala macrorhynchus) producing a series of whistles and squeals",
"B. Bottlenose Dolphin (Tursiops truncatus) producing high-frequency echolocation clicks",
"C. Sperm Whale (Physeter macrocephalus) producing patterned click trains",
"D. Humpback Whale (Megaptera novaeangli... | A. Short-Finned Pilot Whale (Globicephala macrorhynchus) producing a series of whistles and squeals | 5702100N | ../../local_audio_path/5702100N.wav | both |
Given the following sound sequence: Sound 1 occurs before the first silence, Sound 2 occurs after the first silence, and Sound 3 occurs after the second silence. Which sound has the longest duration? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All sounds are the same in duration"
] | C. Sound 3 | 58011002_68002007_7202000B | ../../local_audio_path/58011002_68002007_7202000B.wav | apply_duration |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound has the longest duration? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All sounds are indistinguishable in duration"
] | C. The third sound | 58011002_75003011_9220100W | ../../local_audio_path/58011002_75003011_9220100W.wav | apply_duration |
Based on the sound recording, which of the following most accurately describes the acoustic characteristics observed in the spectrogram? | [
"A. A descending high-frequency tone starting above 15 kHz, accompanied by intermittent lower-frequency bursts.",
"B. A steady low-frequency hum below 1 kHz with no significant variations over time.",
"C. A continuous mid-frequency tone between 5–10 kHz, with minimal modulation or background noise.",
"D. A ra... | A. A descending high-frequency tone starting above 15 kHz, accompanied by intermittent lower-frequency bursts. | 58011009 | ../../local_audio_path/58011009.wav | understand_acoustics |
What type of vocalization is most likely present in the sound recording? | [
"A. Whistles accompanied by clicks",
"B. Low-frequency growls",
"C. High-pitched trills without clicks",
"D. Steady tonal hums"
] | A. Whistles accompanied by clicks | 5801100R | ../../local_audio_path/5801100R.wav | vocalization |
What type of vocalization is primarily identified in the sound recording? | [
"A. Whistles accompanied by clicks and water noises",
"B. Continuous low-frequency hum",
"C. High-pitched trills without background sounds",
"D. Slow, repetitive knocking sounds"
] | A. Whistles accompanied by clicks and water noises | 5801101J | ../../local_audio_path/5801101J.wav | vocalization |
Which species and vocalization type does the sound recording most likely represent? | [
"A. Striped Dolphin (Stenella coeruleoalba) - Whistles, clicks, and water droplets",
"B. Common Dolphin (Delphinus delphis) - Rapid burst-pulse calls and whistles",
"C. Bottlenose Dolphin (Tursiops truncatus) - High-frequency whistles and echolocation clicks",
"D. Sperm Whale (Physeter macrocephalus) - Series... | A. Striped Dolphin (Stenella coeruleoalba) - Whistles, clicks, and water droplets | 5801101K | ../../local_audio_path/5801101K.wav | both |
Given the following sound sequence: Sound 1 occurs before the first silence, Sound 2 occurs after the first silence, and Sound 3 occurs after the second silence. Which sound has the shortest duration? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All sounds are the same in duration"
] | B. Sound 2 | 5801101K_64103006_91012016 | ../../local_audio_path/5801101K_64103006_91012016.wav | apply_duration |
Which species and vocalization type is most likely represented in the sound recording? | [
"A. Striped Dolphin (Stenella coeruleoalba) - Whistles, clicks, and water droplets",
"B. Bottlenose Dolphin (Tursiops truncatus) - High-frequency whistles and echolocation clicks",
"C. Humpback Whale (Megaptera novaeangliae) - Long melodic moans",
"D. Spinner Dolphin (Stenella longirostris) - Rapid click trai... | A. Striped Dolphin (Stenella coeruleoalba) - Whistles, clicks, and water droplets | 5801101L | ../../local_audio_path/5801101L.wav | both |
What is one of the primary threats faced by the species that produced the sound in the given recording? | [
"A. Habitat destruction due to deforestation",
"B. Chemical pollution from PCBs and HCB",
"C. Predation by large sharks in shallow coastal waters",
"D. Dependence on coral reefs that are dying due to bleaching"
] | B. Chemical pollution from PCBs and HCB | 5801101O | ../../local_audio_path/5801101O.wav | remember |
Based on the acoustic characteristics observed in the sound recording, which of the following best describes the main feature of the signal? | [
"A. High-frequency modulating tones above 10 kHz with distinct variations in intensity over time.",
"B. Low-frequency continuous hum below 1 kHz with no apparent modulation.",
"C. A uniform noise pattern spread evenly across all frequencies with no distinct variation.",
"D. A series of mid-frequency steady to... | A. High-frequency modulating tones above 10 kHz with distinct variations in intensity over time. | 5801403R | ../../local_audio_path/5801403R.wav | understand_acoustics |
Given the following sound sequence: Sound 1 occurs before the first silence, Sound 2 occurs after the first silence, and Sound 3 occurs after the second silence. Which sound has the longest duration? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All sounds are indistinguishable in duration"
] | A. Sound 1 | 5801403R_9400400C_6410300B | ../../local_audio_path/5801403R_9400400C_6410300B.wav | apply_duration |
What is a unique characteristic of the species that produced the sound in the given recording? | [
"A. It frequently engages in mixed-species associations with Risso's dolphins and striped dolphins.",
"B. It constructs underwater nests for breeding using kelp and other marine plants.",
"C. It relies on shallow coral reefs as its primary habitat for hunting and shelter.",
"D. It is exclusively found in fres... | A. It frequently engages in mixed-species associations with Risso's dolphins and striped dolphins. | 5801404R | ../../local_audio_path/5801404R.wav | remember |
Which type of vocalization is identified in the sound recording? | [
"A. Whistles and clicks with water splashes",
"B. Low-frequency hums with no clicks",
"C. High-pitched trills with steady tones",
"D. Continuous buzzing without variation"
] | A. Whistles and clicks with water splashes | 5801404T | ../../local_audio_path/5801404T.wav | vocalization |
Which species is identified from the sound recording? | [
"A. Common Dolphin (Delphinus delphis)",
"B. Bottlenose Dolphin (Tursiops truncatus)",
"C. Spinner Dolphin (Stenella longirostris)",
"D. Risso's Dolphin (Grampus griseus)"
] | A. Common Dolphin (Delphinus delphis) | 5801404V | ../../local_audio_path/5801404V.wav | species |
Based on the sound recording, which of the following most accurately describes the acoustic characteristics of the signal? | [
"A. A series of harmonically rich tones in the low-frequency range below 1 kHz, with steady intensity.",
"B. Modulated harmonic tones spanning from 500 Hz to 3 kHz, accompanied by intermittent noise interference.",
"C. High-pitched continuous tones above 4 kHz, with minimal variation in amplitude.",
"D. Broad... | B. Modulated harmonic tones spanning from 500 Hz to 3 kHz, accompanied by intermittent noise interference. | 59005004 | ../../local_audio_path/59005004.wav | understand_acoustics |
What is a distinctive characteristic of the species that produced the sound in the given recording? | [
"A. It primarily relies on coral reefs for survival and feeding.",
"B. It has extensive body scarring that appears white due to a lack of repigmentation.",
"C. It constructs shelters using seaweed and other floating debris.",
"D. It uses its dorsal fin to store fatty reserves for long migrations."
] | B. It has extensive body scarring that appears white due to a lack of repigmentation. | 59029007 | ../../local_audio_path/59029007.wav | remember |
What is a distinctive feature of the species that produced the sound in the given recording? | [
"A. It primarily inhabits freshwater rivers and estuaries.",
"B. It can be identified by heavy white scarring on its body.",
"C. It relies on coral reefs as its primary habitat.",
"D. It exclusively feeds on small fish species."
] | B. It can be identified by heavy white scarring on its body. | 5902900S | ../../local_audio_path/5902900S.wav | remember |
Which species and vocalization type are most likely represented in the sound recording? | [
"A. Risso's Dolphin (Grampus griseus) - One whistle with clicks in the background",
"B. Bottlenose Dolphin (Tursiops truncatus) - Series of rapid echolocation clicks without whistles",
"C. Humpback Whale (Megaptera novaeangliae) - Low-frequency moans and melodic song",
"D. False Killer Whale (Pseudorca crassi... | A. Risso's Dolphin (Grampus griseus) - One whistle with clicks in the background | 59029014 | ../../local_audio_path/59029014.wav | both |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound has the longest duration? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All sounds are indistinguishable in duration"
] | C. The third sound | 59029014_5900300J_7200500D | ../../local_audio_path/59029014_5900300J_7200500D.wav | apply_duration |
What species and vocalization type are most likely identified from the sound recording? | [
"A. Risso's Dolphin (Grampus griseus) producing a long whistle with background clicks",
"B. Bottlenose Dolphin (Tursiops truncatus) producing repeated tonal whistles without clicks",
"C. Humpback Whale (Megaptera novaeangliae) producing long, melodic moans",
"D. Common Dolphin (Delphinus delphis) producing ra... | A. Risso's Dolphin (Grampus griseus) producing a long whistle with background clicks | 59029016 | ../../local_audio_path/59029016.wav | both |
Given the following sound sequence: Sound 1 occurs before the first silence, Sound 2 occurs after the first silence, and Sound 3 occurs after the second silence. Which sound has the lowest pitch overall? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All sounds have identical pitch ranges"
] | A. Sound 1 | 59029016_7100800L_9101201L | ../../local_audio_path/59029016_7100800L_9101201L.wav | apply_frequency |
Given the following sound sequence: Sound 1 occurs before the first silence, Sound 2 occurs after the first silence, and Sound 3 occurs after the second silence. Which sound has the longest duration? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All sounds are indistinguishable in duration"
] | A. Sound 1 | 59030001_9100500N_9100502F | ../../local_audio_path/59030001_9100500N_9100502F.wav | apply_duration |
What is a distinctive physical feature of the species that produced the sound in the given recording? | [
"A. A streamlined body with a long, pointed snout",
"B. Heavy scarring on the body that appears white",
"C. A tall dorsal fin with a unique spiral pattern",
"D. A completely black coloration with no visible markings"
] | B. Heavy scarring on the body that appears white | 5903000A | ../../local_audio_path/5903000A.wav | remember |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound has the longest duration? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All sounds are indistinguishable in duration"
] | A. The first sound | 5903000A_65030001_8800600N | ../../local_audio_path/5903000A_65030001_8800600N.wav | apply_duration |
What is a distinctive feature of the species that produced the sound in the given recording? | [
"A. It relies on coral reefs for nesting and feeding purposes.",
"B. It has extensive scarring on its body, which appears white.",
"C. It primarily feeds on krill and small fish near the ocean surface.",
"D. It is frequently found in Arctic ice-covered waters."
] | B. It has extensive scarring on its body, which appears white. | 5903000C | ../../local_audio_path/5903000C.wav | remember |
What is a unique characteristic of the species that produced the sound in the given recording? | [
"A. It uses teeth as display weapons during mating conflicts.",
"B. It builds nests on shallow ocean floors for its offspring.",
"C. It primarily inhabits freshwater rivers and lakes.",
"D. It relies on coral reefs for foraging and protection."
] | A. It uses teeth as display weapons during mating conflicts. | 5903000E | ../../local_audio_path/5903000E.wav | remember |
What is a distinguishing feature of the species that produced the sound in the given recording? | [
"A. It has a unique dorsal fin shape that resembles a shark’s.",
"B. It is commonly identified by heavy scarring that appears white on its body.",
"C. It constructs underwater nests to protect its offspring from predators.",
"D. It primarily inhabits freshwater river systems in tropical regions."
] | B. It is commonly identified by heavy scarring that appears white on its body. | 5903000W | ../../local_audio_path/5903000W.wav | remember |
What is a notable characteristic of the species that produced the sound in the given recording? | [
"A. It primarily feeds on small fish and crustaceans.",
"B. It is commonly found near coral reefs in tropical waters.",
"C. It forms pods with strong social bonds, typically ranging from 10 to 50 individuals.",
"D. It constructs nests in underwater caves for breeding purposes."
] | C. It forms pods with strong social bonds, typically ranging from 10 to 50 individuals. | 5903000Z | ../../local_audio_path/5903000Z.wav | remember |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound is most dominant in higher frequencies? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All the same"
] | A. The first sound | 5903000Z_56025009_71012002 | ../../local_audio_path/5903000Z_56025009_71012002.wav | apply_frequency |
Based on the acoustic characteristics of the sound recording, which of the following best describes the primary features of the signal? | [
"A. A low-frequency rumbling below 1 kHz with no distinct tonal patterns.",
"B. A series of high-frequency modulated tones between 5–20 kHz with intermittent clicks and background noise.",
"C. A steady mid-frequency tone between 2–5 kHz with minimal variation over time.",
"D. A continuous broadband noise even... | B. A series of high-frequency modulated tones between 5–20 kHz with intermittent clicks and background noise. | 5903001Z | ../../local_audio_path/5903001Z.wav | understand_acoustics |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound is most dominant in higher frequencies? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All the same"
] | A. The first sound | 5903001Z_66084010_7200500L | ../../local_audio_path/5903001Z_66084010_7200500L.wav | apply_frequency |
Which species is identified from the sound recording? | [
"A. Grampus, Risso's Dolphin (Grampus griseus)",
"B. Common Dolphin (Delphinus delphis)",
"C. Bottlenose Dolphin (Tursiops truncatus)",
"D. Killer Whale (Orcinus orca)"
] | A. Grampus, Risso's Dolphin (Grampus griseus) | 59030021 | ../../local_audio_path/59030021.wav | species |
Which of the following social behaviors is characteristic of the species that produced the sound in the given recording? | [
"A. It forms stable subgroups based on age or sex within larger pods.",
"B. It travels alone and avoids forming social bonds with other individuals.",
"C. It builds coral nests for shelter and protection.",
"D. It exhibits a high level of aggression towards members of its own species."
] | A. It forms stable subgroups based on age or sex within larger pods. | 59030024 | ../../local_audio_path/59030024.wav | remember |
Based on the sound recording, which of the following best describes the acoustic characteristics of the signal? | [
"A. A high-frequency sound above 30 kHz with a consistent amplitude across time.",
"B. A combination of mid-frequency modulated tones around 10–15 kHz with faint intermittent background broadband noise.",
"C. A continuous low-frequency hum below 5 kHz with no distinct modulations.",
"D. A rapidly increasing f... | B. A combination of mid-frequency modulated tones around 10–15 kHz with faint intermittent background broadband noise. | 5903002N | ../../local_audio_path/5903002N.wav | understand_acoustics |
Given the following sound sequence: Sound 1 occurs before the first silence, Sound 2 occurs after the first silence, and Sound 3 occurs after the second silence. Which sound has the longest duration? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All sounds are indistinguishable in duration"
] | C. Sound 3 | 5903002N_7001400T_7500102S | ../../local_audio_path/5903002N_7001400T_7500102S.wav | apply_duration |
Based on the acoustic characteristics in the sound recording, which of the following best describes the signal’s features as represented in the spectrogram? | [
"A. A sequence of high-pitched tones above 15 kHz with clear harmonic structures and some background noise.",
"B. A continuous low-frequency droning sound below 1 kHz, with no modulation.",
"C. A broad, scattered noise pattern across all frequencies with no distinct tonal features.",
"D. A mid-frequency hum b... | A. A sequence of high-pitched tones above 15 kHz with clear harmonic structures and some background noise. | 5903700Q | ../../local_audio_path/5903700Q.wav | understand_acoustics |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound has the longest duration? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All sounds are indistinguishable in duration"
] | C. The third sound | 5903700Q_59029016_57021004 | ../../local_audio_path/5903700Q_59029016_57021004.wav | apply_duration |
Given the following sound sequence: Sound 1 occurs before the first silence, Sound 2 occurs after the first silence, and Sound 3 occurs after the second silence. Which sound is most dominant in lower frequencies? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All the same"
] | B. Sound 2 | 5903700S_6608400P_9101204J | ../../local_audio_path/5903700S_6608400P_9101204J.wav | apply_frequency |
Based on the sound recording, which of the following best describes the acoustic characteristics of the signal observed in the spectrogram? | [
"A. A high-frequency tone above 20 kHz with minimal variation and no background noise.",
"B. A series of rising and falling modulated tones in the frequency range of 5–20 kHz, accompanied by faint background noise.",
"C. A continuous low-frequency hum below 500 Hz with no distinct variations over time.",
"D. ... | B. A series of rising and falling modulated tones in the frequency range of 5–20 kHz, accompanied by faint background noise. | 59037012 | ../../local_audio_path/59037012.wav | understand_acoustics |
Which species and vocalization type is most likely represented in the sound recording? | [
"A. White-beaked Dolphin (Lagenorhynchus albirostris) producing whistles with ship noise and reverberation",
"B. Bottlenose Dolphin (Tursiops truncatus) producing sharp echolocation clicks in isolation",
"C. Humpback Whale (Megaptera novaeangliae) producing repetitive low-frequency moans",
"D. Common Dolphin ... | A. White-beaked Dolphin (Lagenorhynchus albirostris) producing whistles with ship noise and reverberation | 59037013 | ../../local_audio_path/59037013.wav | both |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound has the longest duration? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All sounds are indistinguishable in duration"
] | A. The first sound | 59037013_8800600G_71001033 | ../../local_audio_path/59037013_8800600G_71001033.wav | apply_duration |
Which species and vocalization type is most likely represented in the sound recording? | [
"A. White-beaked Dolphin (Lagenorhynchus albirostris) - Whistles with ship noise and reverberation",
"B. Bottlenose Dolphin (Tursiops truncatus) - High-frequency whistles and echolocation clicks",
"C. Orca (Orcinus orca) - Pulsed calls and whistles without any background noise",
"D. Sperm Whale (Physeter macr... | A. White-beaked Dolphin (Lagenorhynchus albirostris) - Whistles with ship noise and reverberation | 59037014 | ../../local_audio_path/59037014.wav | both |
Which of the following statements is true about the species that produced the sound in the given recording? | [
"A. It is commonly found in the cold temperate and subarctic waters of the North Atlantic Ocean.",
"B. It is fully adapted to Arctic conditions and often coexists with polar bears.",
"C. It has yellow streaks on its side, making it easily distinguishable from similar species.",
"D. It is regularly found in tr... | A. It is commonly found in the cold temperate and subarctic waters of the North Atlantic Ocean. | 59037016 | ../../local_audio_path/59037016.wav | remember |
Which of the following is a unique trait of the species that produced the sound in the given recording? | [
"A. It can sustain speeds of up to 41 km/h (25 mph), earning it the nickname 'the greyhound of the sea.'",
"B. It primarily hunts in shallow waters near coral reefs, using its baleen to trap prey.",
"C. It is known for its ability to camouflage by changing the color of its skin to match its surroundings.",
"D... | A. It can sustain speeds of up to 41 km/h (25 mph), earning it the nickname 'the greyhound of the sea.' | 60009005 | ../../local_audio_path/60009005.wav | remember |
Which of the following characteristics is true about the species that produced the sound in the given recording? | [
"A. It is known for constructing nests out of seaweed in shallow waters.",
"B. It is the fastest cetacean, capable of sustaining speeds up to 41 km/h.",
"C. It hunts primarily using echolocation to detect prey in deep waters.",
"D. It is commonly found only in freshwater river systems."
] | B. It is the fastest cetacean, capable of sustaining speeds up to 41 km/h. | 6000900M | ../../local_audio_path/6000900M.wav | remember |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound is most dominant in higher frequencies? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All the same"
] | B. The second sound | 6000900M_59029003_7900200Q | ../../local_audio_path/6000900M_59029003_7900200Q.wav | apply_frequency |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound has the longest duration? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All sounds are indistinguishable in duration"
] | A. The first sound | 6000900M_60026002_8002001M | ../../local_audio_path/6000900M_60026002_8002001M.wav | apply_duration |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound is most dominant in lower frequencies? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All the same"
] | A. The first sound | 6000900M_61023001_62019001 | ../../local_audio_path/6000900M_61023001_62019001.wav | apply_frequency |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound is most dominant in higher frequencies? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All the same"
] | B. The second sound | 6000900M_6107200E_9750301L | ../../local_audio_path/6000900M_6107200E_9750301L.wav | apply_frequency |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound is most dominant in higher frequencies? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All the same"
] | C. The third sound | 6000900M_6608400F_61072021 | ../../local_audio_path/6000900M_6608400F_61072021.wav | apply_frequency |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound has the longest duration? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All sounds are indistinguishable in duration"
] | A. The first sound | 6000900M_7500502S_89514003 | ../../local_audio_path/6000900M_7500502S_89514003.wav | apply_duration |
Given the following sound sequence: Sound 1 occurs before the first silence, Sound 2 occurs after the first silence, and Sound 3 occurs after the second silence. Which sound is most dominant in higher frequencies? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All the same"
] | B. Sound 2 | 6000900M_8501300H_6700900L | ../../local_audio_path/6000900M_8501300H_6700900L.wav | apply_frequency |
Given the following sound sequence: The first sound occurs before the first silence, the second sound occurs after the first silence, and the third sound occurs after the second silence. Which sound is most dominant in lower frequencies? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All the same"
] | A. The first sound | 6000900M_89514013_75001019 | ../../local_audio_path/6000900M_89514013_75001019.wav | apply_frequency |
Given the following sound sequence: Sound 1 occurs before the first silence, Sound 2 occurs after the first silence, and Sound 3 occurs after the second silence. Which sound is most dominant in higher frequencies? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All the same"
] | B. Sound 2 | 6000900M_89514017_64005016 | ../../local_audio_path/6000900M_89514017_64005016.wav | apply_frequency |
Given the following sound sequence: Sound 1 occurs before the first silence, Sound 2 occurs after the first silence, and Sound 3 occurs after the second silence. Which sound has the longest duration? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All sounds are indistinguishable in duration"
] | C. Sound 3 | 6000900M_91013003_7200200B | ../../local_audio_path/6000900M_91013003_7200200B.wav | apply_duration |
Based on the acoustic characteristics of the sound, which of the following best describes the signal shown in the spectrogram? | [
"A. A sequence of high-frequency clicks above 15 kHz, with scattered noise in the background.",
"B. A series of harmonically structured mid-frequency tones between 2–8 kHz, with faint reverberation.",
"C. A continuous low-frequency rumble below 500 Hz, with no prominent harmonics.",
"D. A broad-spectrum noise... | B. A series of harmonically structured mid-frequency tones between 2–8 kHz, with faint reverberation. | 60026001 | ../../local_audio_path/60026001.wav | understand_acoustics |
Based on the sound recording, which of the following most accurately describes the acoustic characteristics of the signal? | [
"A. A continuous low-frequency hum below 1 kHz with no clear modulation.",
"B. A series of distinct rising and falling tones in the frequency range of 2–12 kHz with harmonic patterns.",
"C. A broad noise pattern evenly distributed across all frequencies, with no distinguishable tonal features.",
"D. A high-pi... | B. A series of distinct rising and falling tones in the frequency range of 2–12 kHz with harmonic patterns. | 60026002 | ../../local_audio_path/60026002.wav | understand_acoustics |
Which species is identified from the sound recording? | [
"A. Killer Whale (Orcinus orca)",
"B. Humpback Whale (Megaptera novaeangliae)",
"C. Bottlenose Dolphin (Tursiops truncatus)",
"D. Sperm Whale (Physeter macrocephalus)"
] | A. Killer Whale (Orcinus orca) | 60026004 | ../../local_audio_path/60026004.wav | species |
Which species and vocalization type is most consistent with the sound recording provided? | [
"A. Killer Whale (Orcinus orca) - Two calls with reverberation",
"B. Bottlenose Dolphin (Tursiops truncatus) - High-pitched whistles",
"C. Sperm Whale (Physeter macrocephalus) - Rhythmic clicking sounds",
"D. Humpback Whale (Megaptera novaeangliae) - Long melodic moans"
] | A. Killer Whale (Orcinus orca) - Two calls with reverberation | 60026005 | ../../local_audio_path/60026005.wav | both |
Given the following sound sequence: Sound 1 occurs before the first silence, Sound 2 occurs after the first silence, and Sound 3 occurs after the second silence. Which sound has the longest duration? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All sounds are indistinguishable in duration"
] | A. Sound 1 | 60026005_9101300A_7100300B | ../../local_audio_path/60026005_9101300A_7100300B.wav | apply_duration |
Which of the following is a known behavior of the species that produced the sound in the given recording? | [
"A. Forming pods that include members of other dolphin species",
"B. Using coral reefs as breeding grounds",
"C. Migrating to polar regions during the summer",
"D. Feeding exclusively on plankton and krill"
] | A. Forming pods that include members of other dolphin species | 6102100P | ../../local_audio_path/6102100P.wav | remember |
Which of the following is a known characteristic of the species that produced the sound in the given recording? | [
"A. It can hybridize with bottlenose dolphins to produce fertile offspring called 'wholphins.'",
"B. It primarily relies on coral reefs for feeding and protection.",
"C. It exclusively forms pods with members of its own species.",
"D. It is incapable of surviving in captivity due to its highly aggressive natu... | A. It can hybridize with bottlenose dolphins to produce fertile offspring called 'wholphins.' | 6102100Q | ../../local_audio_path/6102100Q.wav | remember |
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