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Old 04-07-2021, 05:18 AM   #1
business_kid
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New OSS Google Lyra codec: Applications?


https://news.slashdot.org/story/21/0...andwidth-usage

According to Slashdot, this newly open sourced Google Lyra codec compresses bandwidth by using machine learning instead of dsp techniques and is capable of compressing audio considerably.

How can it be
  1. Tested?I thought of firing mp3s at it through a player as input, but it's the output you'd want. It's also speech, not music. There's also plenty of single voice recordings available on some sites.
  2. Played back? I had fewer ideas here.
 
Old 04-08-2021, 06:27 AM   #2
Emerson
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Reading comments ... although the codec itself is open source it cannot be used without closed source kernel? Not really open source then.
 
Old 04-09-2021, 08:25 AM   #3
business_kid
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Ahhhh. Even slashdot may have been taken in by that.
 
Old 04-09-2021, 10:32 AM   #4
ondoho
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I once tried a similar high compression codec by Google - the problem is, encoding a file to a size ~15% smaller than "normal" compression takes 10 times the resources.
In other words, not many besides Google itself can afford to use it to compress their files.
 
Old 04-11-2021, 04:49 AM   #5
business_kid
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Thanks for the replies, which indicate it's all smoke and mirrors by google. So for anyone asking "When is OSS not OSS?" the answer appears to be when google is involved.
 
Old Yesterday, 12:04 AM   #6
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Quote:
Originally Posted by business_kid View Post
"When is OSS not OSS?" the answer appears to be when google is involved.
So true - or at least they made it big. Other companies apply similar techniques nowadays.
 
  


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