[pulseaudio-discuss] no output from pulseaudio on embedded arm platform

Peter Meerwald pmeerw at pmeerw.net
Thu Mar 22 03:13:48 PDT 2012

Hello Jan,

> Opening a playback stream with sample specification 's16le 1ch 8000Hz' and  
> channel map 'mono'.

playback is 1ch 8000Hz while your sink seems to be only able to do 2ch 
16000Hz, maybe try to play samples which do not require PulseAudio to 

>          sample spec: s16le 2ch 16000Hz
>          channel map: front-left,front-right
>                       Stereo

check /et/pulse/daemon.conf, I have issues with 
default-sample-rate and alternate-sample-rate; I need to set both to the 
same value (which would be natively supported by your hardware, probably 
48000 or 16000)

turn on logging, start PulseAudio with

pulseaudio --system --log-level=debug --log-target=stderr

regards p.


Peter Meerwald
+43-664-2444418 (mobile)

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