Re: [Linphone-users] Noise and artefacts in sound

[Matthias Peter Walther]

I don't get why. The bug is just gone. It works now. I switched off
and one echo cancelling once, but it works with and without it. I have
no clue why it suddenly works :/.

Great anyway 

Thanks for your help!

On 27.02.2016 21:29, J G Miller wrote:
> At 18:44h, on Saturday, February 27, 2016,
> in message <address@hidden>,
> on the subject of "Re: [Linphone-users] Noise and artefacts in sound", you 
> wrote -
>
>  > Another info might helpful for a diagnosis: I recorded a call made via
>  > linphone. When I play the waf-file the with mplayer (or any other
>  > software) the sounds is much clearer and almost perfect.
>
> Well I suggested the problem might be coming from pulseaudio because I thought
> you indicated that you had had similar problems with other audio applications
> viz Skype and Firefox.
>  
>  > So I think this is definitly a playback issue not a network or codec issue.
>
> But I thought your problem was audio distortion on a live call.
>
> Does the party receiving your call experience distorted audio of your voice,
> or is it just the audio you are hearing of all remote calls distorted?
>
> There are so many possibilities of where the distortion is arising, it is
> going to be very difficult to pin down.
>
> Do you get distortion if you just use ALSA and not pulseaudio?
>
> And in selecting ALSA, you have to ensure that the ALSA configuration is not
> redirecting to pulseaudio which is a standard feature now of "user friendly"
> GNU/Linux distributions -- the alsa default playback pcm is set to pulseaudio 
> via 
>
>              /usr/share/alsa/pulse-alsa.conf