[pulseaudio-discuss] Does PulseAudio compensate for clock drift?

[Tanu Kaskinen]

On Wed, 2012-07-18 at 14:29 +0300, Ansis Māliņš wrote:
> Due to clock drift, audio sent from one computer at, say, 48000 Hz will
> arrive at the other computer at 47999Hz or 48003 Hz, and this value
> constantly changes with ambient temperature. Eventually you get buffer
> underruns and overruns unless you dynamically apply sample rate conversion
> to keep the receiving buffer exactly half full.
> 
> Do any of the PulseAudio components do this?

Yes. For example, module-loopback and module-combine-sink do this.

> My specific problem is that I get cracks and pops when streaming live audio
> to module-simple-protocol-tcp from another machine.

The simple protocol does not do any adaptive resampling, so it's not a
very good solution for live audio.

-- 
Tanu