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
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|---|---|---|---|---|---|
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 | 8800600J_8300603C_61072021 | ../../local_audio_path/8800600J_8300603C_61072021.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 the same"
] | B. The second sound | 8800600N_6102500P_66084010 | ../../local_audio_path/8800600N_6102500P_66084010.wav | apply_frequency |
Based on the sound recording, which of the following best describes the acoustic characteristics of the signal? | [
"A. A low-frequency growling sound with prominent energy below 1 kHz and sporadic intensity changes.",
"B. A consistent high-pitched tone above 8 kHz with minimal amplitude variation.",
"C. A sharp, rhythmic clicking sound with energy concentrated in the mid-frequency range of 3–5 kHz.",
"D. A wideband noise ... | A. A low-frequency growling sound with prominent energy below 1 kHz and sporadic intensity changes. | 8800600O | ../../local_audio_path/8800600O.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 higher frequencies? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All sounds are identical"
] | C. Sound 3 | 8800600O_90058068_95003002 | ../../local_audio_path/8800600O_90058068_95003002.wav | apply_frequency |
What type of vocalization is most likely heard in the sound recording? | [
"A. Growl and moan",
"B. High-pitched whistles",
"C. Series of rapid clicks",
"D. Rhythmic trills"
] | A. Growl and moan | 8800600Q | ../../local_audio_path/8800600Q.wav | vocalization |
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 500 Hz with minimal variation over time.",
"B. A series of modulated mid-frequency tones between 1–3 kHz, interspersed with high-intensity bursts.",
"C. A steady high-frequency tone above 4 kHz with no significant modulation.",
"D. Broad, unstructured noise spread even... | B. A series of modulated mid-frequency tones between 1–3 kHz, interspersed with high-intensity bursts. | 8800600R | ../../local_audio_path/8800600R.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 of vocalization? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All sounds are indistinguishable in duration"
] | A. Sound 1 | 8800600R_59029003_9101300X | ../../local_audio_path/8800600R_59029003_9101300X.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 | 8800600R_7500403J_7100103A | ../../local_audio_path/8800600R_7500403J_7100103A.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 lower frequencies? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All the same"
] | C. Sound 3 | 8800600S_9101204J_6000900M | ../../local_audio_path/8800600S_9101204J_6000900M.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 | 8800600U_6107202N_8800600J | ../../local_audio_path/8800600U_6107202N_8800600J.wav | apply_duration |
Which of the following physical characteristics is true about the species that produced the sound in the given recording? | [
"A. It has a massive triangular skull used to break through Arctic ice.",
"B. It has a dorsal fin that helps stabilize its movement in turbulent waters.",
"C. It has a streamlined body with a distinctive pattern of vertical stripes.",
"D. It has long, slender flippers that extend nearly half the length of its... | A. It has a massive triangular skull used to break through Arctic ice. | 8800600Y | ../../local_audio_path/8800600Y.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"
] | C. The third sound | 8800600Y_6608900G_6608400Q | ../../local_audio_path/8800600Y_6608900G_6608400Q.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"
] | A. The first sound | 8800600Y_7100300V_6102500P | ../../local_audio_path/8800600Y_7100300V_6102500P.wav | apply_duration |
Which species is identified from the sound recording? | [
"A. Bowhead Whale (Balaena mysticetus)",
"B. Humpback Whale (Megaptera novaeangliae)",
"C. Blue Whale (Balaenoptera musculus)",
"D. Fin Whale (Balaenoptera physalus)"
] | A. Bowhead Whale (Balaena mysticetus) | 8800600Z | ../../local_audio_path/8800600Z.wav | species |
Which of the following is true about the species that produced the sound in the given recording? | [
"A. It uses its massive triangular skull to break through Arctic ice.",
"B. It relies on coral reefs for shelter from predators.",
"C. It migrates to tropical waters during winter months to breed.",
"D. It is primarily found in freshwater habitats like rivers and lakes."
] | A. It uses its massive triangular skull to break through Arctic ice. | 8800601B | ../../local_audio_path/8800601B.wav | remember |
Which species is identified from the sound recording? | [
"A. Bowhead Whale (Balaena mysticetus)",
"B. Humpback Whale (Megaptera novaeangliae)",
"C. Blue Whale (Balaenoptera musculus)",
"D. Fin Whale (Balaenoptera physalus)"
] | A. Bowhead Whale (Balaena mysticetus) | 8800601U | ../../local_audio_path/8800601U.wav | species |
Which species is identified from the sound recording? | [
"A. Bowhead Whale (Balaena mysticetus)",
"B. Humpback Whale (Megaptera novaeangliae)",
"C. Blue Whale (Balaenoptera musculus)",
"D. Sperm Whale (Physeter macrocephalus)"
] | A. Bowhead Whale (Balaena mysticetus) | 8800602Z | ../../local_audio_path/8800602Z.wav | species |
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 sounds have similar pitch"
] | C. Sound 3 | 8800602Z_64005017_8501300X | ../../local_audio_path/8800602Z_64005017_8501300X.wav | apply_frequency |
Which species and vocalization type does the sound recording most likely represent? | [
"A. Bowhead Whale (Balaena mysticetus) - Growl, part of song",
"B. Humpback Whale (Megaptera novaeangliae) - Complex song phrases and moans",
"C. Blue Whale (Balaenoptera musculus) - Low-frequency tonal calls",
"D. Sperm Whale (Physeter macrocephalus) - Rhythmic click sequences"
] | A. Bowhead Whale (Balaena mysticetus) - Growl, part of song | 88006030 | ../../local_audio_path/88006030.wav | both |
What type of vocalization is most prominently identified in the sound recording? | [
"A. Pulsed squeal, part of song",
"B. Continuous tonal whistle",
"C. Rapidly modulated clicking",
"D. Low-frequency rumble"
] | A. Pulsed squeal, part of song | 88006038 | ../../local_audio_path/88006038.wav | vocalization |
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 | 88006038_8501400L_62026007 | ../../local_audio_path/88006038_8501400L_62026007.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 | 89514001_66084010_7101001G | ../../local_audio_path/89514001_66084010_7101001G.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 shortest duration? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All sounds are the same in duration"
] | A. Sound 1 | 89514001_81037005_59030001 | ../../local_audio_path/89514001_81037005_59030001.wav | apply_duration |
What type of vocalization is most likely represented in the provided audio recording? | [
"A. A signature whistle with unique modulation patterns",
"B. A sequence of rapid echolocation clicks",
"C. A series of low-frequency grunts",
"D. A continuous tonal hum without modulation"
] | A. A signature whistle with unique modulation patterns | 89514003 | ../../local_audio_path/89514003.wav | vocalization |
Which type of vocalization is most representative of the sound recording provided? | [
"A. A typical signature whistle",
"B. Rapid echolocation clicks",
"C. Pulsed calls with varying frequencies",
"D. Long, harmonic moans"
] | A. A typical signature whistle | 89514004 | ../../local_audio_path/89514004.wav | vocalization |
Which unique behavior is observed in the species that produced the sound in the given recording? | [
"A. Using marine sponges as tools to protect their rostrum while foraging",
"B. Building underwater nests to store food or raise calves",
"C. Coordinating with humpback whales to drive prey into shallow waters",
"D. Using biofluorescence to communicate during nighttime"
] | A. Using marine sponges as tools to protect their rostrum while foraging | 89514011 | ../../local_audio_path/89514011.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"
] | C. The third sound | 89514011_94008017_85009005 | ../../local_audio_path/89514011_94008017_85009005.wav | apply_duration |
Which species and vocalization type is most likely represented in the recording? | [
"A. Bottlenose Dolphin (Tursiops truncatus) - Signature whistle",
"B. Humpback Whale (Megaptera novaeangliae) - Complex song phrases",
"C. Spinner Dolphin (Stenella longirostris) - Rapid burst-pulse clicks",
"D. Risso's Dolphin (Grampus griseus) - Low-frequency grunts and clicks"
] | A. Bottlenose Dolphin (Tursiops truncatus) - Signature whistle | 89514013 | ../../local_audio_path/89514013.wav | both |
Given the following sequence of sounds: 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 | 89514013_6608500G_72009001 | ../../local_audio_path/89514013_6608500G_72009001.wav | apply_frequency |
Based on the acoustic characteristics of the sound, which of the following best describes the main feature of the recording? | [
"A. A series of high-pitched modulated tones between 10–25 kHz, with distinct harmonic patterns.",
"B. A continuous low-frequency hum below 500 Hz, with minimal variation in amplitude.",
"C. A broad-spectrum noise evenly distributed across frequencies, with no clear modulation.",
"D. A rhythmic sequence of mi... | A. A series of high-pitched modulated tones between 10–25 kHz, with distinct harmonic patterns. | 89514014 | ../../local_audio_path/89514014.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 | 89514014_64005009_62022017 | ../../local_audio_path/89514014_64005009_62022017.wav | apply_duration |
What unique behavior is associated with the species that produced the sound in the given recording? | [
"A. Using sponges as tools to forage for food",
"B. Building complex underwater nests for their young",
"C. Storing food in underwater caves for future use",
"D. Cooperating with sea turtles to hunt prey"
] | A. Using sponges as tools to forage for food | 89514017 | ../../local_audio_path/89514017.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 lowest dominant frequency range? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All have the same dominant frequency range"
] | B. The second sound | 89514017_7100401F_6107201N | ../../local_audio_path/89514017_7100401F_6107201N.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 | 89514017_81014036_5903700B | ../../local_audio_path/89514017_81014036_5903700B.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"
] | C. The third sound | 89514017_87003005_72002009 | ../../local_audio_path/89514017_87003005_72002009.wav | apply_frequency |
Which type of vocalization is represented in the provided sound recording? | [
"A. Signature whistle with unique modulation",
"B. Rapid echolocation clicks with no modulation",
"C. Repeated trills and chirps in a rhythmic pattern",
"D. Low-frequency grunts followed by silence"
] | A. Signature whistle with unique modulation | 89514018 | ../../local_audio_path/89514018.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"
] | B. The second sound | 90028008_6608400R_72005008 | ../../local_audio_path/90028008_6608400R_72005008.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"
] | B. The second sound | 90028008_79002013_7702801D | ../../local_audio_path/90028008_79002013_7702801D.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"
] | C. The third sound | 90028008_9101300E_64104006 | ../../local_audio_path/90028008_9101300E_64104006.wav | apply_frequency |
Which species is identified from the sound recording? | [
"A. Pantropical Spotted Dolphin (Stenella attenuata)",
"B. Spinner Dolphin (Stenella longirostris)",
"C. Common Dolphin (Delphinus delphis)",
"D. Rough-toothed Dolphin (Steno bredanensis)"
] | A. Pantropical Spotted Dolphin (Stenella attenuata) | 9002800F | ../../local_audio_path/9002800F.wav | species |
Which of the following statements is true about the species that produced the sound in the given recording? | [
"A. It is commonly found swimming alongside yellowfin tuna in the eastern Pacific.",
"B. Its vocal repertoire is the most extensively studied among all marine mammals.",
"C. It has a robust body shape and a short, thick beak.",
"D. It primarily relies on coral reefs as its main habitat."
] | A. It is commonly found swimming alongside yellowfin tuna in the eastern Pacific. | 9004401Y | ../../local_audio_path/9004401Y.wav | remember |
Which species is identified from the sound recording? | [
"A. Pantropical Spotted Dolphin (Stenella attenuata)",
"B. Spinner Dolphin (Stenella longirostris)",
"C. Rough-toothed Dolphin (Steno bredanensis)",
"D. Short-beaked Common Dolphin (Delphinus delphis)"
] | A. Pantropical Spotted Dolphin (Stenella attenuata) | 90058068 | ../../local_audio_path/90058068.wav | species |
Which species and vocalization type does the sound recording most likely correspond to? | [
"A. Short-Finned Pilot Whale (Globicephala macrorhynchus) - Whistles and clicks",
"B. Bottlenose Dolphin (Tursiops truncatus) - Rapid echolocation clicks with no whistles",
"C. Sperm Whale (Physeter macrocephalus) - Series of slow, rhythmic clicks",
"D. Humpback Whale (Megaptera novaeangliae) - Long melodic p... | A. Short-Finned Pilot Whale (Globicephala macrorhynchus) - Whistles and clicks | 9100500N | ../../local_audio_path/9100500N.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"
] | B. Sound 2 | 9100500N_56018002_64103009 | ../../local_audio_path/9100500N_56018002_64103009.wav | apply_duration |
Based on the acoustic characteristics of the sound, which of the following best describes the main feature of the recording? | [
"A. A series of high-frequency tones above 15 kHz with steady harmonics and minimal modulation.",
"B. Rapidly rising and falling modulated tones primarily in the mid-to-high frequency range of 5–15 kHz with distinct harmonic patterns.",
"C. A continuous low-frequency hum below 2 kHz with no noticeable harmonics... | B. Rapidly rising and falling modulated tones primarily in the mid-to-high frequency range of 5–15 kHz with distinct harmonic patterns. | 9100500Y | ../../local_audio_path/9100500Y.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"
] | B. The second sound | 91005011_6107202O_6102603I | ../../local_audio_path/91005011_6107202O_6102603I.wav | apply_duration |
What type of vocalization is most likely present in the provided sound recording? | [
"A. Whistles, clicks, click series, and chirp",
"B. Long, modulated whistles without clicks",
"C. Rapid echolocation clicks without whistles",
"D. Continuous trilling with no distinct chirps or clicks"
] | A. Whistles, clicks, click series, and chirp | 91005015 | ../../local_audio_path/91005015.wav | vocalization |
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 | 91005015_66002A04_9101300X | ../../local_audio_path/91005015_66002A04_9101300X.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 occupies the highest frequency range in its vocalizations? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All the same"
] | C. Sound 3 | 9100501D_72009001_9101300E | ../../local_audio_path/9100501D_72009001_9101300E.wav | apply_frequency |
Which species and vocalization type best match the sound recording provided? | [
"A. Short-Finned Pilot Whale (Globicephala macrorhynchus) - Whistle; clicks",
"B. Bottlenose Dolphin (Tursiops truncatus) - High-frequency whistles only",
"C. Sperm Whale (Physeter macrocephalus) - Loud, regular click trains",
"D. Humpback Whale (Megaptera novaeangliae) - Complex melodic song sequences"
] | A. Short-Finned Pilot Whale (Globicephala macrorhynchus) - Whistle; clicks | 9100501K | ../../local_audio_path/9100501K.wav | both |
Which of the following is a distinctive characteristic of the species that produced the sound in the given recording? | [
"A. It primarily preys on cephalopods, such as squid, in deep ocean waters.",
"B. It builds complex nests using driftwood and floating debris.",
"C. It is most commonly found in freshwater river systems.",
"D. It relies on echolocation to navigate dense kelp forests."
] | A. It primarily preys on cephalopods, such as squid, in deep ocean waters. | 9100501S | ../../local_audio_path/9100501S.wav | remember |
Based on the sound recording, which of the following most accurately describes the acoustic characteristics of the signal? | [
"A. A series of distinct rising and falling tones in the mid to high-frequency range (5–15 kHz), with intermittent background noise.",
"B. A continuous low-frequency hum below 1 kHz, with no modulating features.",
"C. A broad, evenly distributed noise pattern across all frequencies, with no discernible tonal fe... | A. A series of distinct rising and falling tones in the mid to high-frequency range (5–15 kHz), with intermittent background noise. | 9100502F | ../../local_audio_path/9100502F.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 highest pitch? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All the sounds are identical in pitch"
] | C. The third sound | 9100502F_75003053_8300602E | ../../local_audio_path/9100502F_75003053_8300602E.wav | apply_frequency |
Based on the acoustic characteristics of the sound recording, which of the following best describes the prominent features observed in the spectrogram? | [
"A. A continuous high-frequency tone above 30 kHz, with no noticeable variation in intensity.",
"B. A mid-frequency sound between 10–20 kHz with harmonics, accompanied by background noise and varying intensity over time.",
"C. A low-frequency rumble below 5 kHz, consistent throughout the duration of the recordi... | B. A mid-frequency sound between 10–20 kHz with harmonics, accompanied by background noise and varying intensity over time. | 9100800B | ../../local_audio_path/9100800B.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 highest pitch? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All sounds are identical"
] | A. The first sound | 9100800E_6410300B_8800600J | ../../local_audio_path/9100800E_6410300B_8800600J.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"
] | B. Sound 2 | 9101000Y_8800600I_8300604G | ../../local_audio_path/9101000Y_8800600I_8300604G.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 has the longest duration? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All sounds are indistinguishable in duration"
] | A. Sound 1 | 9101000Y_90028008_64005019 | ../../local_audio_path/9101000Y_90028008_64005019.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 has the longest duration? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All sounds are indistinguishable in duration"
] | C. Sound 3 | 91010010_71001032_54024005 | ../../local_audio_path/91010010_71001032_54024005.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"
] | C. The third sound | 91010010_89514018_67009009 | ../../local_audio_path/91010010_89514018_67009009.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 highest pitch based on the primary frequency range of their vocalizations? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All sounds have the same pitch range"
] | A. Sound 1 | 91010019_7200500E_5801403R | ../../local_audio_path/91010019_7200500E_5801403R.wav | apply_frequency |
Which species is identified from the sound recording? | [
"A. Fraser's Dolphin (Lagenodelphis hosei)",
"B. Spinner Dolphin (Stenella longirostris)",
"C. Snapping Shrimp",
"D. Sperm Whale (Physeter macrocephalus)"
] | A. Fraser's Dolphin (Lagenodelphis hosei) | 9101001H | ../../local_audio_path/9101001H.wav | species |
Where is the species that produced the sound in the given recording most commonly found? | [
"A. Coastal waters near the Arctic Circle",
"B. Deep tropical waters between 30°S and 20°N",
"C. Shallow estuaries in temperate regions",
"D. Freshwater rivers in South America"
] | B. Deep tropical waters between 30°S and 20°N | 9101001S | ../../local_audio_path/9101001S.wav | remember |
Which of the following conservation measures applies specifically to the species that produced the sound in the given recording? | [
"A. It is listed on Appendix II of the Convention on the Conservation of Migratory Species of Wild Animals (CMS).",
"B. It is protected under the Antarctic Treaty System due to its presence in polar waters.",
"C. It is known to benefit from coral reef restoration efforts in tropical habitats.",
"D. It is cove... | A. It is listed on Appendix II of the Convention on the Conservation of Migratory Species of Wild Animals (CMS). | 9101001V | ../../local_audio_path/9101001V.wav | remember |
What type of vocalization is most likely identified in the sound recording? | [
"A. Two whistles in a looping pattern",
"B. Single long whistle with varying pitch",
"C. Series of rapid echolocation clicks",
"D. Continuous buzzing sound with modulations"
] | A. Two whistles in a looping pattern | 9101001X | ../../local_audio_path/9101001X.wav | vocalization |
Which of the following characteristics is unique to the species that produced the sound in the given recording? | [
"A. It has the smallest genitalia of any open sea dolphin species.",
"B. It constructs nests using kelp and other marine vegetation.",
"C. It uses cooperative hunting strategies by forming alliances with other marine mammals.",
"D. It primarily inhabits shallow coastal waters and coral reefs."
] | A. It has the smallest genitalia of any open sea dolphin species. | 9101001Z | ../../local_audio_path/9101001Z.wav | remember |
Which species and type of vocalization are most likely represented in the sound recording? | [
"A. Fraser's Dolphin (Lagenodelphis hosei) producing chirpy whistles",
"B. Bottlenose Dolphin (Tursiops truncatus) producing echolocation clicks",
"C. Snapping Shrimp producing sharp popping sounds",
"D. Humpback Whale (Megaptera novaeangliae) producing melodic moans"
] | A. Fraser's Dolphin (Lagenodelphis hosei) producing chirpy whistles | 91010021 | ../../local_audio_path/91010021.wav | both |
Based on the sound recording, which of the following best describes the acoustic characteristics observed? | [
"A. A series of low-frequency tones under 1 kHz, with no prominent harmonics.",
"B. High-frequency modulated tones above 15 kHz, accompanied by faint background noise.",
"C. Distinct mid-to-high frequency modulated tones between 5–25 kHz, with clear harmonic structures.",
"D. A continuous broadband noise even... | C. Distinct mid-to-high frequency modulated tones between 5–25 kHz, with clear harmonic structures. | 9101002A | ../../local_audio_path/9101002A.wav | understand_acoustics |
Which of the following characteristics is unique to the species that produced the sound in the given recording? | [
"A. It has the smallest genitalia of any open sea dolphin.",
"B. It constructs nests in underwater caves to protect its young.",
"C. It has a prominent beak and is frequently mistaken for bottlenose dolphins.",
"D. It uses bioluminescence to attract prey in deep waters."
] | A. It has the smallest genitalia of any open sea dolphin. | 9101002B | ../../local_audio_path/9101002B.wav | remember |
Which species and type of vocalization are most likely represented in the audio recording? | [
"A. Fraser's Dolphin (Lagenodelphis hosei) - Multiple whistles",
"B. Bottlenose Dolphin (Tursiops truncatus) - Echolocation clicks with occasional whistles",
"C. Humpback Whale (Megaptera novaeangliae) - Complex song phrases",
"D. Spinner Dolphin (Stenella longirostris) - High-frequency chirps and clicks"
] | A. Fraser's Dolphin (Lagenodelphis hosei) - Multiple whistles | 9101002C | ../../local_audio_path/9101002C.wav | both |
Which species is identified from the sound recording? | [
"A. Melon Headed Whale (Peponocephala electra)",
"B. Spinner Dolphin (Stenella longirostris)",
"C. Short-Finned Pilot Whale (Globicephala macrorhynchus)",
"D. Atlantic Spotted Dolphin (Stenella frontalis)"
] | A. Melon Headed Whale (Peponocephala electra) | 91012007 | ../../local_audio_path/91012007.wav | species |
Which of the following is a distinctive feature of the species that produced the sound in the given recording? | [
"A. Sharply pointed flippers and a triangular head shape when viewed from above.",
"B. Rounded flippers and a head shape that is uniformly circular.",
"C. A dorsal fin that is located at the front of its body near the head.",
"D. A light-colored body with prominent spots for camouflage."
] | A. Sharply pointed flippers and a triangular head shape when viewed from above. | 9101200C | ../../local_audio_path/9101200C.wav | remember |
What is one conservation concern specific to the species that produced the sound in the given recording? | [
"A. They are frequently caught as bycatch in the purse-seine tuna fishery in the southwest Indian Ocean.",
"B. They are at risk from bioaccumulation of pollutants, such as PCBs and DDTs, which can harm their immune and reproductive systems.",
"C. They are heavily reliant on coral reefs, which are threatened by ... | B. They are at risk from bioaccumulation of pollutants, such as PCBs and DDTs, which can harm their immune and reproductive systems. | 91012016 | ../../local_audio_path/91012016.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"
] | C. The third sound | 91012016_6102500H_54024002 | ../../local_audio_path/91012016_6102500H_54024002.wav | apply_duration |
Which species and vocalization type is most consistent with the audio recording provided? | [
"A. Killer Whale (Orcinus orca) - Repeated tonal whistles with occasional clicks",
"B. Melon-Headed Whale (Peponocephala electra) - Long pulsed click burst and overlapping clicks",
"C. Sperm Whale (Physeter macrocephalus) - Loud, regular clicks known as 'codas'",
"D. Bottlenose Dolphin (Tursiops truncatus) - ... | B. Melon-Headed Whale (Peponocephala electra) - Long pulsed click burst and overlapping clicks | 9101201C | ../../local_audio_path/9101201C.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"
] | C. The third sound | 9101201C_8300604F_97501009 | ../../local_audio_path/9101201C_8300604F_97501009.wav | apply_frequency |
What species and vocalization type are most likely represented in the sound recording? | [
"A. Short-Finned Pilot Whale (Globicephala macrorhynchus) - Series of burst-pulse calls",
"B. Melon-Headed Whale (Peponocephala electra) - Looped whistle with ship noise in the background",
"C. Bottlenose Dolphin (Tursiops truncatus) - High-pitched echolocation clicks",
"D. Sperm Whale (Physeter macrocephalus... | B. Melon-Headed Whale (Peponocephala electra) - Looped whistle with ship noise in the background | 9101201L | ../../local_audio_path/9101201L.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 shortest duration? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All sounds are indistinguishable in duration"
] | A. The first sound | 9101201L_7702801D_5801101J | ../../local_audio_path/9101201L_7702801D_5801101J.wav | apply_duration |
Which of the following physical characteristics is specific to the species that produced the sound in the given recording? | [
"A. A conical head shape with no discernible beak",
"B. A rounded head with a sharply demarcated dorsal cape",
"C. A body length of up to 6 meters and a long slender body",
"D. Flippers with rounded tips and white facial markings extending onto the face"
] | A. A conical head shape with no discernible beak | 9101201T | ../../local_audio_path/9101201T.wav | remember |
What is a known threat to the species that produced the sound in the given recording? | [
"A. Habitat destruction caused by deforestation near coastal regions",
"B. Bioaccumulation of persistent organic pollutants (POPs) in their blubber",
"C. Predation by larger marine mammals such as orcas",
"D. Dependence on coral reefs for survival, making them vulnerable to coral bleaching"
] | B. Bioaccumulation of persistent organic pollutants (POPs) in their blubber | 9101202C | ../../local_audio_path/9101202C.wav | remember |
Based on the sound recording, which of the following most accurately describes the acoustic characteristics of the signal? | [
"A. A series of short, high-frequency bursts above 20 kHz with scattered noise below 5 kHz.",
"B. A continuous low-frequency tone below 1 kHz with no modulation.",
"C. A steady mid-frequency hum between 2–5 kHz with minimal variation over time.",
"D. A broad, evenly distributed noise pattern across all freque... | A. A series of short, high-frequency bursts above 20 kHz with scattered noise below 5 kHz. | 9101204I | ../../local_audio_path/9101204I.wav | understand_acoustics |
What type of vocalization is primarily detected in the provided sound recording? | [
"A. Two whistles with harmonics",
"B. Rapid echolocation clicks",
"C. Modulated trilling sounds",
"D. Low-frequency tonal calls"
] | A. Two whistles with harmonics | 9101204J | ../../local_audio_path/9101204J.wav | vocalization |
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 sounds have the same pitch"
] | A. Sound 1 | 9101204J_66084010_71012001 | ../../local_audio_path/9101204J_66084010_71012001.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 | 9101204J_70025001_65030009 | ../../local_audio_path/9101204J_70025001_65030009.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 has the longest duration? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All sounds are the same in duration"
] | A. Sound 1 | 9101204L_81037001_64103006 | ../../local_audio_path/9101204L_81037001_64103006.wav | apply_duration |
Based on the acoustic characteristics of the sound recording, which of the following best describes the main feature observed in the spectrogram? | [
"A. A continuous low-frequency hum below 500 Hz, with no harmonic structure.",
"B. High-pitched tones with harmonic structures above 5 kHz, showing temporal modulation and varying amplitude.",
"C. A broad spectrum of noise covering frequencies evenly from 0–30 kHz, without distinct patterns.",
"D. Single, iso... | B. High-pitched tones with harmonic structures above 5 kHz, showing temporal modulation and varying amplitude. | 9101204Q | ../../local_audio_path/9101204Q.wav | understand_acoustics |
Which species can be identified from the sound recording provided? | [
"A. Spinner Dolphin (Stenella longirostris)",
"B. Fraser's Dolphin (Lagenodelphis hosei)",
"C. Common Dolphin (Delphinus delphis)",
"D. Rough-toothed Dolphin (Steno bredanensis)"
] | B. Fraser's Dolphin (Lagenodelphis hosei) | 91013003 | ../../local_audio_path/91013003.wav | species |
What species and vocalization type does the sound recording most likely represent? | [
"A. Fraser's Dolphin (Lagenodelphis hosei) - Clicks and whistles",
"B. Bottlenose Dolphin (Tursiops truncatus) - High-frequency whistles only",
"C. Spinner Dolphin (Stenella longirostris) - Rapid burst pulses with occasional clicks",
"D. Sperm Whale (Physeter macrocephalus) - Long series of slow clicks"
] | A. Fraser's Dolphin (Lagenodelphis hosei) - Clicks and whistles | 91013004 | ../../local_audio_path/91013004.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 is most dominant in higher frequencies? | [
"A. Sound 1",
"B. Sound 2",
"C. Sound 3",
"D. All the same"
] | A. Sound 1 | 91013008_8800600R_9101204L | ../../local_audio_path/91013008_8800600R_9101204L.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 | 9101300B_6608400A_9101200C | ../../local_audio_path/9101300B_6608400A_9101200C.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"
] | A. The first sound | 9101300C_66084010_7200703C | ../../local_audio_path/9101300C_66084010_7200703C.wav | apply_duration |
Which species is identified from the sound recording provided? | [
"A. Spinner Dolphin (Stenella longirostris)",
"B. Fraser's Dolphin (Lagenodelphis hosei)",
"C. Short-finned Pilot Whale (Globicephala macrorhynchus)",
"D. Dall's Porpoise (Phocoenoides dalli)"
] | B. Fraser's Dolphin (Lagenodelphis hosei) | 9101300E | ../../local_audio_path/9101300E.wav | species |
Which of the following is true about the species that produced the sound in the given recording? | [
"A. It is typically found in shallow coastal waters and coral reefs.",
"B. Its population is concentrated in the Gulf of Mexico and the Philippines.",
"C. It is known for using echolocation to navigate through icy Arctic waters.",
"D. It migrates seasonally between freshwater rivers and the open ocean."
] | B. Its population is concentrated in the Gulf of Mexico and the Philippines. | 9101300X | ../../local_audio_path/9101300X.wav | remember |
Which of the following is a distinguishing characteristic of the species that produced the sound in the given recording? | [
"A. It has a prominent beak and is often mistaken for coastal dolphin species.",
"B. It forms large, tightly-packed groups of up to 1,000 individuals when swimming.",
"C. It relies on shallow water coral reefs for feeding and protection.",
"D. It is known for its long dorsal fin relative to its body size."
] | B. It forms large, tightly-packed groups of up to 1,000 individuals when swimming. | 9101301D | ../../local_audio_path/9101301D.wav | remember |
Based on the sound recording, which of the following most accurately describes the acoustic characteristics of the signal? | [
"A. A series of high-frequency modulating tones above 15 kHz, with distinct frequency shifts over time.",
"B. A steady low-frequency tone below 500 Hz, with no modulation or intensity changes.",
"C. A broad, continuous noise pattern spread evenly across all frequencies.",
"D. A sequence of mid-frequency tones... | A. A series of high-frequency modulating tones above 15 kHz, with distinct frequency shifts over time. | 9101301E | ../../local_audio_path/9101301E.wav | understand_acoustics |
Which species is identified from the sound recording? | [
"A. Spinner Dolphin (Stenella longirostris)",
"B. Fraser's Dolphin (Lagenodelphis hosei)",
"C. Short-finned Pilot Whale (Globicephala macrorhynchus)",
"D. Pantropical Spotted Dolphin (Stenella attenuata)"
] | B. Fraser's Dolphin (Lagenodelphis hosei) | 9101301P | ../../local_audio_path/9101301P.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 highest pitch? | [
"A. The first sound",
"B. The second sound",
"C. The third sound",
"D. All the same"
] | B. The second sound | 92201003_8501300S_79002004 | ../../local_audio_path/92201003_8501300S_79002004.wav | apply_frequency |
Based on the acoustic characteristics observed in the spectrogram, which of the following best describes the sound recording? | [
"A. A continuous low-frequency tone below 500 Hz with no significant modulation.",
"B. A series of low-to-mid frequency pulses around 100–1200 Hz, with distinct intensity variations over time.",
"C. High-frequency tones above 5 kHz, with steady amplitude and no distinct temporal changes.",
"D. A broadband noi... | B. A series of low-to-mid frequency pulses around 100–1200 Hz, with distinct intensity variations over time. | 92201005 | ../../local_audio_path/92201005.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 | 92201005_8501400P_6000900M | ../../local_audio_path/92201005_8501400P_6000900M.wav | apply_duration |
What type of vocalization is most likely present in the audio recording? | [
"A. Pulsed calls",
"B. Long tonal whistles",
"C. Rapid trills",
"D. High-pitched chirps"
] | A. Pulsed calls | 9220100F | ../../local_audio_path/9220100F.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 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 | 9220100Q_6608500G_5903700N | ../../local_audio_path/9220100Q_6608500G_5903700N.wav | apply_duration |
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