Re: [Linphone-developers] Interested in figuring out how to use the L16 codec for uncompressed audio data samples at a sampling rate of 8Khz

[Henrik Pauli]

Have you checked out the sample config file at http://www.linphone.org/technical-corner/linphone/documentation yet?

Not all possible configurations of the codecs are set up by default.  If the L16 is capable of doing 8 kHz, you might be able to configure it accordingly.  But keep in mind the other end needs to support that setup as well.  Why do you want uncompressed audio on telephony?  Does the wide-band G.722 fit your requirements?  Or any of the otherwise palatable but compressed standard codecs?

On 09/08/17 01:26, Davis Roman wrote:

Hello,

I'm trying to figure out which codec to select in linphonec that will give me uncompressed audio data samples at a sampling rate of 8Khz

It  seems to me like L16 would be a good choice however I only see that it's available for a sampling rate of 44.1KHz ( as shown below) 

linphonec> codec list

 0: speex (16000) enabled

 1: speex (8000) enabled

 2: PCMU (8000) enabled

 3: PCMA (8000) enabled

 4: speex (32000) disabled

 5: GSM (22050) disabled

 6: GSM (11025) disabled

 7: L16 (44100) disabled

 8: L16 (44100) disabled

 9: G722 (8000) disabled

10: GSM (8000) disabled

linphonec> 

Is it possible to configure L16 for 8Khz.

I'm able to rebuild linphone from scratch if needed.

Thank you,

Davis

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