Re: RME Digi9652 with Alsa

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On Tue, Feb 28, 2006 at 08:10:32AM -0500, Paul Davis wrote:
> > ADAT Sample rate: 44100Hz
> > ADAT1: No Lock
> > ADAT2: No Lock
> > ADAT3: No Lock
> 
> this suggests that you do not have correct connections established. at
> least one of these should say "Lock" or "Sync". what is the interface
> connected to, and how is clocking being handled?
It's connected to the optical input of an RME ADI-2 a/d d/a converter, the
clock setting of which is configured for slave mode, i.e., to synchronize with
the input signal.

The only output that works currently is /dev/audio1 (OSS emulation), which
sends output to all channels simultaneously. I have attempted using the -erc
operator of Ecasound to copy the output to different channels individually,
but short of trying all 27 channels I haven't been able to get any output
through to the converter.

When playing through /dev/audio1 the /proc/asound/card1/rme9652 parameters are
as follows. I am getting clicks in the output, for whatever reason.


RME Digi9652 (Rev 1.5) (Card #2)
Buffers: capture cec00000 playback cee00000
IRQ: 11 Registers bus: 0xec000000 VM: 0xd0820000
Control register: 45039

Latency: 1024 samples (2 periods of 4096 bytes)
Hardware pointer (frames): 0
Passthru: no
Clock mode: master

ADAT1 Input source: ADAT1 optical

IEC958 input: Coaxial
IEC958 output: Coaxial & ADAT1
IEC958 quality: Consumer
IEC958 emphasis: off
IEC958 Dolby: off
IEC958 sample rate: error flag set

ADAT Sample rate: 44100Hz
ADAT1: No Lock
ADAT2: No Lock
ADAT3: No Lock

Timecode signal: no
Punch Status:

 1: off  2: off  3: off  4: off  5: off  6: off  7: off  8: off 
 9: off 10: off 11: off 12: off 13: off 14: off 15: off 16: off 
17: off 18: off 19: off 20: off 21: off 22: off 23: off 24: off 
25: off 26: off 

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