Speex Codec Quality

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Hi,

I'm attempting to use the Speex codec with r4348 of PJSIP. I'm noticing that the audio quality when using this codec is very poor. I can hear pops and crackles and speech is garbled. I have tried using various configuration parameters for complexity and quality and am unable to improve the quality at all.

Other codecs, such as AMR and SILK,  produce good audio quality.

Has anyone successfully used Speex with PJSIP with good audio quality? If so, what do I need to do to make it work?

Thanks,
James
Truphone Limited, registered in England and Wales (registered company number: 04187081). Registered office: 4 Royal Mint Court, London EC3N 4HJ. VAT No. GB 851 5278 19

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