On Friday 02 Jan 2004 03:12, Jason Clouse wrote:I finally found out about the little speaker-test app and tried it out
on my new M-Audio Revolution 7.1, but I get very odd results. Here's
what I get for ./speaker-test -Dsurround51 -c 6:
Playback device is surround51 Stream parameters are 44100Hz, S32_LE, 6 channels Sine wave rate is 440.0000Hz period_size=1200, buffer_size=4800 - Front Left (No sound) - Front Right (Heavily distorted sine wave on Front Left) - Rear Left (No sound) - Rear Right (Heavily distorted sine wave on Front Right - Center (No sound) - LFE (No sound)
I'm running Red Hat 9 with a custom built 2.6.0 kernel, recent ALSA CVS (copied the relevant stuff into my /usr/src/linux-2.6.0 directory), M-Audio Revolution 7.1, SB Live. I can get stereo output to work fine on both cards. I can't get surround output on the Revolution at all, I've tried everything. I can sort of get surround output on the Live (the "Front" output jack is broken).
Any ideas at all? I've tried messing around with /etc/asound.conf but
couldn't get anything useful.
Are you using the plugin layer?
Try ./speaker_test -Dplug:surround51 -c 6
Nope, I still get the same result. My /etc/asound.conf consists of what I copied from the ALSA soundcard tips page:
# PCM Definition (ice1724)
pcm.ice1724 {
type hw
card 0
}ctl.ice1724 {
type hw
card 0
}
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