arecord | aplay -
ALSA lib pcm_dmix.c:803:(snd_pcm_dmix_open) The dmix plugin supports only playba ck stream
arecord: main:550: audio open error: Argument invalide
ALSA lib pcm_direct.c:985:(snd_pcm_direct_initialize_slave) unable to install hw  params
ALSA lib pcm_dmix.c:876:(snd_pcm_dmix_open) unable to initialize slave
aplay: main:550: audio open error: Relais brisé (pipe)