[Linux] fichiers audio

[René Bastian]

Le Fri, 25 Nov 2016 11:12:57 +0100,
Alexandre Franke <alexandre.franke@::1> a écrit :

> 2016-11-25 10:30 GMT+01:00  <rbastian@::1>:
> > Bonjour la Linuxerie,
> 
> Salü,
> 
> > si je veux écouter un fichier audio et aussi le visualiser, je
> > lance audacity; le résultat est auditivement bon, mais la
> > manipulation est pénible. P.ex. quand on veut arrêter, en fidèle
> > élève de MS$ il demande si on est bien sûr ...
> 
> Comment t'y prends-tu ? Chez moi je n'ai pas de dialogue de
> confirmation pour arrêter la lecture dans Audacity.
> 

Que je sorte par Alt-F4 ou Ctrl-Q, il demande "Enregistrer les
modifications?". Et puis il y a toute cette salade:

$ audacity k.wav

(Audacity:6812): Gnome-WARNING **: Accessibility: failed to find module
'libgail-gnome' which is needed to make this application accessible
ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.rear
ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM
cards.pcm.center_lfe ALSA lib pcm.c:2217:(snd_pcm_open_noupdate)
Unknown PCM cards.pcm.side ALSA lib pcm_dmix.c:957:(snd_pcm_dmix_open)
The dmix plugin supports only playback stream Cannot connect to server
socket err = Aucun fichier ou dossier de ce type Cannot connect to
server request channel jack server is not running or cannot be started
Expression 'ret' failed in 'src/hostapi/alsa/pa_linux_alsa.c', line:
1670 Expression 'AlsaOpen( &alsaApi->baseHostApiRep, params, streamDir,
&self->pcm )' failed in 'src/hostapi/alsa/pa_linux_alsa.c', line: 1830
Expression 'PaAlsaStreamComponent_Initialize( &self->capture, alsaApi,
inParams, StreamDirection_In, NULL != callback )' failed in
'src/hostapi/alsa/pa_linux_alsa.c', line: 2092 Expression
'PaAlsaStream_Initialize( stream, alsaHostApi, inputParameters,
outputParameters, sampleRate, framesPerBuffer, callback, streamFlags,
userData )' failed in 'src/hostapi/alsa/pa_linux_alsa.c', line: 2764
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dsnoop.c:612:(snd_pcm_dsnoop_open) unable to open slave
Expression 'ret' failed in 'src/hostapi/alsa/pa_linux_alsa.c', line:
1670 Expression 'AlsaOpen( &alsaApi->baseHostApiRep, params, streamDir,
&self->pcm )' failed in 'src/hostapi/alsa/pa_linux_alsa.c', line: 1830
Expression 'PaAlsaStreamComponent_Initialize( &self->capture, alsaApi,
inParams, StreamDirection_In, NULL != callback )' failed in
'src/hostapi/alsa/pa_linux_alsa.c', line: 2092 Expression
'PaAlsaStream_Initialize( stream, alsaHostApi, inputParameters,
outputParameters, sampleRate, framesPerBuffer, callback, streamFlags,
userData )' failed in 'src/hostapi/alsa/pa_linux_alsa.c', line: 2764
Expression 'stream->playback.pcm' failed in
'src/hostapi/alsa/pa_linux_alsa.c', line: 4541 Expression
'stream->playback.pcm' failed in 'src/hostapi/alsa/pa_linux_alsa.c',
line: 4541 

Faut-il faire un dessin ? :)

-- 
René Bastian
www.pythoneon.org