Re: [Alsa-user] USB Audio and selecting optical out

2018-04-26 Thread Marc Haber
On Wed, Apr 25, 2018 at 11:45:27PM +0100, James wrote: > iecset is only useful up to a point. It tells you the settings when idle. > They get overridden when you play something. > > iec958:AES0=0x6,AES1=0x82,AES2=0x0,AES3=0x2 > > Those are the AES settings, in this case for AC3 encoding. > >

Re: [Alsa-user] USB Audio and selecting optical out

2018-04-25 Thread James
On 22/04/18 13:14, Marc Haber wrote: On Sun, Apr 08, 2018 at 05:20:13PM +0100, James wrote: On 31/03/18 20:02, Marc Haber wrote: In order to get output to the digital output, you need to use the "iec958" device. E.g.: speaker-test -c2 -d iec958:CARD=CMI8738,DEV=0 --rate 48000 Note that you

Re: [Alsa-user] USB Audio and selecting optical out

2018-04-24 Thread Marc Haber
On Tue, Apr 24, 2018 at 02:43:01PM +0200, Clemens Ladisch via Alsa-user wrote: > Marc Haber wrote: > > On Sun, Apr 22, 2018 at 10:45:11PM +0200, Clemens Ladisch via Alsa-user > > wrote: > >> Marc Haber wrote: > >>> Is it possible that the USB device is only able to play back at 48 kHz? > >> > >>

Re: [Alsa-user] USB Audio and selecting optical out

2018-04-24 Thread Clemens Ladisch via Alsa-user
Marc Haber wrote: > On Tue, Apr 24, 2018 at 02:54:44PM +0200, Clemens Ladisch via Alsa-user wrote: >> Marc Haber wrote: >>> On Tue, Apr 24, 2018 at 02:43:01PM +0200, Clemens Ladisch via Alsa-user >>> wrote: Check if it's actually using 44.1 kHz when playing. >>> >>> How would I do that? >>

Re: [Alsa-user] USB Audio and selecting optical out

2018-04-24 Thread Marc Haber
On Tue, Apr 24, 2018 at 02:54:44PM +0200, Clemens Ladisch via Alsa-user wrote: > Marc Haber wrote: > > On Tue, Apr 24, 2018 at 02:43:01PM +0200, Clemens Ladisch via Alsa-user > > wrote: > >> Marc Haber wrote: > >>> Looks to me like it at least claims to be able to play back at 44.1 kHz. > >>> Any

Re: [Alsa-user] USB Audio and selecting optical out

2018-04-24 Thread Clemens Ladisch via Alsa-user
Marc Haber wrote: > On Tue, Apr 24, 2018 at 02:43:01PM +0200, Clemens Ladisch via Alsa-user wrote: >> Marc Haber wrote: >>> Looks to me like it at least claims to be able to play back at 44.1 kHz. >>> Any other reason why the DAT deck won't sync if speakertest runs with >>> rate 44100? >> >> Check

Re: [Alsa-user] USB Audio and selecting optical out

2018-04-24 Thread Marc Haber
On Tue, Apr 24, 2018 at 02:43:01PM +0200, Clemens Ladisch via Alsa-user wrote: > Marc Haber wrote: > > Looks to me like it at least claims to be able to play back at 44.1 kHz. > > Any other reason why the DAT deck won't sync if speakertest runs with > > rate 44100? > > Check if it's actually

Re: [Alsa-user] USB Audio and selecting optical out

2018-04-24 Thread Clemens Ladisch via Alsa-user
Marc Haber wrote: > On Sun, Apr 22, 2018 at 10:45:11PM +0200, Clemens Ladisch via Alsa-user wrote: >> Marc Haber wrote: >>> Is it possible that the USB device is only able to play back at 48 kHz? >> >> Yes, it's possible. Check /proc/asound/cardX/stream0. > > Playback: > Rates: 44100, 48000 >

Re: [Alsa-user] USB Audio and selecting optical out

2018-04-24 Thread Marc Haber
Hi Clemens, thanks for the helpful comment. On Sun, Apr 22, 2018 at 10:45:11PM +0200, Clemens Ladisch via Alsa-user wrote: > Marc Haber wrote: > > Is it possible that the USB device is only able to play back at 48 kHz? > > Yes, it's possible. Check /proc/asound/cardX/stream0. [2/4994]mh@fan:~

Re: [Alsa-user] USB Audio and selecting optical out

2018-04-22 Thread Clemens Ladisch via Alsa-user
Marc Haber wrote: > Is it possible that the USB device is only able to play back at 48 kHz? Yes, it's possible. Check /proc/asound/cardX/stream0. > On Sun, Apr 08, 2018 at 05:20:13PM +0100, James wrote: >> You might also need to mess with AES0 settings. Google for that. The USB audio driver

Re: [Alsa-user] USB Audio and selecting optical out

2018-04-22 Thread Ralf Mardorf
On Sun, 22 Apr 2018 14:07:04 +0200, Marc Haber wrote: >> 2. If you wish to continue using a DAT recorder in combination with >> your computer, then consider to spend more than 23,85 € for your >> computer's audio device. > >I'm open for suggestions. My apologies, it's a bad idea, now I notice

Re: [Alsa-user] USB Audio and selecting optical out

2018-04-22 Thread Marc Haber
On Sun, Apr 08, 2018 at 05:20:13PM +0100, James wrote: > On 31/03/18 20:02, Marc Haber wrote: > In order to get output to the digital output, you need to use the "iec958" > device. > E.g.: > speaker-test -c2 -d iec958:CARD=CMI8738,DEV=0 --rate 48000 > > Note that you also appear to have a digital

Re: [Alsa-user] USB Audio and selecting optical out

2018-04-22 Thread Marc Haber
Hi, sorry for the delay. On Sun, Apr 08, 2018 at 05:09:28PM +0200, Ralf Mardorf wrote: > On Sun, 8 Apr 2018 16:41:08 +0200, Marc Haber wrote: > All my DAT recorder drives are broken, the only reason to keep them is > to have DACs and ADCs I could use via S/PDIF, in addition to the analog > I/Os

Re: [Alsa-user] USB Audio and selecting optical out

2018-04-08 Thread James
On 31/03/18 20:02, Marc Haber wrote: Hi, I have been experimenting with USB audio devices recently and have settled on an USB device which seems to be a weird OEM device labeled by the german company CSL. The device announces itself on the USB as "0d8c:0102 C-Media Electronics, Inc. CM106 Like

Re: [Alsa-user] USB Audio and selecting optical out

2018-04-08 Thread Ralf Mardorf
On Sun, 8 Apr 2018 16:41:08 +0200, Marc Haber wrote: >Ping? noone? All my DAT recorder drives are broken, the only reason to keep them is to have DACs and ADCs I could use via S/PDIF, in addition to the analog I/Os and ADAT I/Os of my audio devices, just in case I ever should need additional

Re: [Alsa-user] USB Audio and selecting optical out

2018-04-08 Thread Marc Haber
Ping? noone? Greetings Marc On Sat, Mar 31, 2018 at 09:02:00PM +0200, Marc Haber wrote: > I have been experimenting with USB audio devices recently and have > settled on an USB device which seems to be a weird OEM device labeled by > the german company CSL. The device announces itself on the