[Ekiga-list] noise only

Jiri Barton jbar at hosting4u.cz
Fri May 11 07:41:07 UTC 2007


Hi Damien,

> Try this :
> arecord -D plughw:0,0 -c 1 -r 16000 -f S16_LE - | aplay -D plughw:0,0 -c
> 1 -r 16000 -f S16_LE -
>
> and this :
> arecord -D plughw:0,0 -c 1 -r 8000 -f S16_LE - | aplay -D plughw:0,0 -c
> 1 -r 8000 -f S16_LE -
>
> and this :
> arecord -D default -c 1 -r 16000 -f S16_LE - | aplay -D plughw:0,0 -c
> 1 -r 16000 -f S16_LE -
>
> and this :
> arecord -D default -c 1 -r 8000 -f S16_LE - | aplay -D plughw:0,0 -c
> 1 -r 8000 -f S16_LE -
>
>
> Which of them are working ?

I just tried them and all of them work. Could it be some endianess? Here is 
my .asoundrc - is there something wrong with it?

# 6 channel dmix:
pcm.dmix6 {
    type dmix
       ipc_key 1024
       ipc_key_add_uid false
       ipc_perm 0660
       slave {
               pcm "hw:0,0"
               rate 48000
               channels 6
               period_time 0
               period_size 1024
               buffer_time 0
               buffer_size 5120
       }
    }
# upmixing:
pcm.ch51dup {
       type route
       slave.pcm dmix6
       slave.channels 6
       ttable.0.0 1
       ttable.1.1 1
       ttable.0.2 1
       ttable.1.3 1
       ttable.0.4 0.5
       ttable.1.4 0.5
       ttable.0.5 0.5
       ttable.1.5 0.5
  }
pcm.duplex {
    type asym
    playback.pcm "ch51dup" # upmix first
    capture.pcm "hw:0"
}
# change default device:
pcm.!default {
    type plug
    slave.pcm "duplex"
}
# for aoss
pcm.dsp "duplex"
pcm.dsp1 "duplex"



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