-------- Forwarded Message --------
Subject: Re: [Alsa-user] FW difference - DAC not locking correctly
Date: Thu, 18 Dec 2014 09:46:23 +0100
From: Davor Herga <davor.he...@guest.arnes.si>
To: Clemens Ladisch <cladi...@googlemail.com>
On 18. 12. 2014 09:38, Clemens Ladisch wrote:
Davor Herga wrote:
one of the two firmwares behaves "strange". The DAC does not "lock in"
correctly, when it is set to 2x oversample, but has no problems when
set two 4x or 8x oversample. By "does not lock in" I mean, that DAC is
recognised by the system, but only noise is heard. This noise (sounds
like white noise) stops when music is started.
As long as no music is playing, there is no data to lock on to.
Does the noise reappear when the music is stopped?
No.
I know this is not ALSA problem per se, but would like to know if
anybody can explain why this is happening.
The obvious answer is a firmware bug.
I agree with that. Is there any other way to send some short signal to
DAC, other than adding some sort of "start script" in which I would send
a short tone via "aplay"?
Regards,
Clemens
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