How we hear birds

[Peter Shute <>]

I've forgotten my twitter password, so this might be the same stuff - an 
article showing spectrograms, and a player you can adjust to hear either word:
https://www.nytimes.com/interactive/2018/05/16/upshot/audio-clip-yanny-laurel-debate.html?smid=fb-nytimes&smtyp=cur

Obviously this is an extreme and contrived example. With bird call, tseep vs ee 
might be a more typical difference.

Peter Shute

Sent from my iPad

On 17 May 2018, at 9:17 pm, Paul Taylor 
<<>> wrote:

There was a sonograph of sorts in one of the tweets in the article,
demonstrating what happens if you remove the high ("Yanny") or
low ("Laurel") frequencies:

https://twitter.com/MBoffin/status/996562598815416321

On 17/05/2018 7:20 PM, Carl Clifford wrote:
At first, I heard Yanny, but as I let the recording loop, it first changed
to Yaurel, the Laurel. I to would like to se a sonograph.


On Thursday, May 17, 2018, Peter Shute 
<<>> wrote:

This thing is doing the rounds of Facebook, etc, at the moment - a
recording of a voice that sounds like it's saying either Laurel or Yanny
depending on how good your high frequency hearing is.

http://www.abc.net.au/news/2018-05-16/laurel-or-yanny-
what-you-hear-could-depend-on-hearing-loss/9768478

If different people can hear such different things from one recording, is
it any wonder the bird call descriptions in field guides don't make sense
to everyone?

Peter Shute

Sent from my iPad
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