Voice model tip: make sure your SIP trunk delivers 16kHz audio, not upsampled 8kHz
pbbakkum · x · 2026-11-13
pbbakkum warns anyone piping SIP telephony audio into voice models to verify the SIP trunk vendor delivers 16kHz audio. Models, including theirs and likely others, degrade on upsampled 8kHz input; the ideal is 24kHz. He notes several popular telephony vendors still only offer 8kHz and recommends switching vendors rather than living with the quality hit.
Related event: Check SIP trunk audio is 16kHz before feeding voice models(3 posts)→
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