I have an RME 96/8 PAD card and I have tried various versions of the alsa driver from 0.9 up to 0.94 and I'm seeing a consistent problem with simultaneous play and record at 16 bit sample levels with OSS
For example running: sox -r 44100 -t ossdsp -w -s -c 2 /dev/dsp test.wav
is fine, but then in another window doing this:
gentoo root # aplay test.wav
Playing WAVE 'test.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo
ALSA lib pcm_hw.c:324:(snd_pcm_hw_hw_params) SNDRV_PCM_IOCTL_HW_PARAMS failed: Device or resource busy
aplay: set_params:840: Unable to install hw params:
ACCESS: RW_INTERLEAVED
FORMAT: S16_LE
SUBFORMAT: STD
SAMPLE_BITS: 16
FRAME_BITS: 32
CHANNELS: 2
RATE: 44100
PERIOD_TIME: (46439 46440)
PERIOD_SIZE: 2048
PERIOD_BYTES: 8192
PERIODS: 8
BUFFER_TIME: (371519 371520)
BUFFER_SIZE: 16384
BUFFER_BYTES: 65536
TICK_TIME: 10000
However, everything is OK if I use only ALSA, for example: arecord -r 44100 -t wav -c 2 -f S16_LE test.wav
...works fine when I then use "aplay test.wav"
Is this a known problem?
Also, I don't know if it is related, but under gentoo + KDE, when artsd starts I get the following error message:
Sound server informational message: Error while initializing the sound driver: SNDCTL_DSP_SPEED failed - Device or resource busy The sound server will continue, using the null output device.
My /etc/asound.conf:
pcm.rme96 {
type hw
card 0
} ctl.rme96 {
type hw
card 0
}Thanks for any help
Ed W
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