JohnS
Group: Members
Posts: 23
Joined: Dec. 2004 |
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Posted: Mar. 25 2005,08:58 |
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I'm trying to record using the digital out from a Roland digital mixer to a M-Audio Transit USB audio interface. I have madfu to load the Transit firmware, the OSS driver loads up fine. It plays back great, but just gets clicks and pops when reading the digital in coming from the mixer. I tried the digital out from a CD player and it works fine (using Audacity and ecasound).
Sooo, I was thinking the output from the mixer might be 24 bit (it runs 24bit/48KHz internally) so i decided to try the alsa drivers, they might work btter with 24 bit data. I've had no problem with the alsa drivers under DSL with other hardware but this is a problem. I'm on an HD install so I did the lilo bit to add the alsa option, but the Transit is not listed in the map file (its 768,2006) so the autodetect gives up and loads the OSS driver. I can't modprobe the driver by hand because the OSS driver is already running. I tried the nosound and noaudio options, they didn't work because hotplug sees the USB device and loads the OSS driver anyway.
At this point I see two paths, add the Transit to the map file, but I have no idea what parameters to put in there, or somehow prevent the OSS driver from loading so I can manually modprobe the alsa driver.
Any clues?
Thanks,
John S.
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