[opus] Stereo channel separation

O'Connor, Kevin Kevin.OConnor at inin.com
Wed Nov 20 13:35:33 PST 2013

>On 11/20/2013 03:37 PM, O'Connor, Kevin wrote:
>> I have an application I intend to use Opus for that involves creating 
> recordings of two-party conversations where each party is saved as a 
>> separate channel. Audio may be later processed or analyzed on a 
>> per-party basis so if audio in one channel affects the other channel, 
>> it could create problems. My question is, if I use a single stereo 
>> Opus stream, how well will channel separation be maintained? Are there 
>> any other disadvantages to doing it this way?
>If you encode as stereo, you should still have perfect channel separation. However, the encoding will likely be less efficient than having two separate streams. How much is not clear -- >you'll have to experiment.

Thanks for the quick reply. By "less efficient", do you mean in terms of the size of the compressed data or the CPU cycles consumed?

Kevin O'Connor

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