Re: [LAU] sound devices usb pre 2. usb 2 with 96k

From: David W. Jones <gnome@email-addr-hidden>
Date: Thu Mar 21 2019 - 01:29:50 EET

Maybe not marked as <<Legacy>> because the device is still manufactured and sold new?

On March 20, 2019 12:06:12 PM HST, list <list@email-addr-hidden.xyz> wrote:
> Hello.
>
> With an firmware not updated since «Last update May 9, 2011»
> I think it's safe to say that this card will never work at higher
> sample rate - running linux.
>
> It's not «legacy» on the Sound Devices web site, i wonder why.
>
> The list keep an old talk on this card and this problem :
>
> https://lists.linuxaudio.org/archives/linux-audio-user/2014-September/099206.html
>
> Older :
>
> https://lists.linuxaudio.org/archives/linux-audio-user/2013-January/089199.html
>
> And i can quote a support email from Sound Devices where i asked about
> this issues - wich is not an issue for them for sure.
>
> De : John Doe <JohnDoe@email-addr-hidden.com>
> À : "me@email-addr-hidden.fr" <me@email-addr-hidden.fr>
> Envoyé : mercredi 10 décembre 2014 à 16:58:13 UTC+1
> Objet : Sound Devices Product Inquiry (33173)
>
>
> Hello You,
>
> Thank you for contacting Sound Devices. I don't know when or if they
> will make this request available but I will gladly pass this request
> to
> engineering for future firmware consideration. Thanks.
>
> Best Regards,
> John Doe
>
> --
>
> John Doe
> Tech Support
> Web: www.sounddevices.com
>
> So, more thant 4 years later, firmware still the same, problem not
> solve. Sad. Bravo sound devices ! Happy not having bought this card
> at
> the time !
>
>
>
>
> Le Sat, 16 Mar 2019 22:00:03 +0100,
> Hans Wilmers <hanswil@email-addr-hidden.no> a écrit :
>
> > On 16/03/2019 19:14, Chris Caudle wrote:
> > > On Sat, March 16, 2019 12:38 pm, olaf@email-addr-hidden.org wrote:
> > >> On March 16, 2019 6:26:58 PM GMT+01:00, Moshe Werner
> > >> <moshwe@email-addr-hidden.com> wrote:
> > >>> Afaik, usb2 CC works up to 48kHz...
> > >
> > > Audio Class 1 is defined for up to 48kHz.
> > > Audio Class 2 is can use higher sample rates.
> > >
> > > It seems that the Sound Devices Pre2 defaults to class 1 mode, but
> > > based on the documentation it seems to have a class 2 mode
> > > available. At this point you would need to contact Sound Devices
> to
> > > confirm it is actually class 2 compliant, or if it uses a
> > > proprietary driver. If it is class 2 compliant, you need to know
> > > how to make the device switch to class 2 mode.
> > >
> > It is the other way around: The USBPre2 defaults to usb2 mode, and
> is
> > class compliant there. In class compliant mode, it is limited to
> > 24/48.
> >
> > I recall that to get into usb1 mode, I needed to push one of the
> > buttons on the device during connection to the PC. I don't know
> > whether this is still the case in newer firmware releases.
> >
> > / Hans
> > _______________________________________________
> > Linux-audio-user mailing list
> > Linux-audio-user@email-addr-hidden.linuxaudio.org
> > https://lists.linuxaudio.org/listinfo/linux-audio-user
> _______________________________________________
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--
David W. Jones
gnome@email-addr-hidden.rr.com
authenticity, honesty, community
http://dancingtreefrog.com
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Received on Thu Mar 21 04:15:02 2019

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