this post was submitted on 11 Jul 2024
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Sperm whales communicate with each other using rhythmic sequences of clicks, called codas. It was previously thought that sperm whales had just 21 coda types. However, after studying almost 9,000 recordings, the Ceti researchers identified 156 distinct codas. They also noticed the basic building blocks of these codas which they describe as a "sperm whale phonetic alphabet" – much like phonemes, the units of sound in human language which combine to form words.

Pratyusha Sharma, a PhD student at MIT and lead author of the study, describes the "fine-grain changes" in vocalisations the AI identified. Each coda consists of between three and 40 rapid-fire clicks. The sperm whales were found to vary the overall speed, or the "tempo", of the codas, as well as to speed up and slow down during the delivery of a coda, in other words, making it "rubato". Sometimes they added an extra click at the end of a coda, akin, says Sharma, to "ornamentation" in music. These subtle variations, she says, suggest sperm whale vocalisations could carry a much richer amount of information than previously thought.

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[–] [email protected] 94 points 4 months ago* (last edited 4 months ago) (4 children)

Squid, on the other hand, are fast.

Goddamn right we are.

[–] [email protected] 5 points 4 months ago

Damnit, back in the cage with you!

It has TWO locks this time, asshole!

[–] [email protected] 1 points 4 months ago

Gone in squidxty seconds.

[–] [email protected] 38 points 4 months ago (1 children)

I had a marine mammal prof in college who was fiercely dull unless you got him talking about whale hunting techniques. He would get particularly animated when describing how a Sperm Whale click carries enough force at depth that it make luminescent squids "light up like 'eat me' signs."

He also did a fun impression of a Grey Whale scooping mud off the sea floor. Which was mainly memorable because it was like watching Niles Crane pretend to be a backhoe.

[–] [email protected] 15 points 4 months ago

He also did a fun impression of a Grey Whale scooping mud off the sea floor.

Was he voiced by Ellen DeGeneres?

[–] [email protected] 10 points 4 months ago (1 children)
[–] [email protected] 2 points 4 months ago

Staring the rock as jacked squid cop who’s also a professional wrestler