Alsa-Devel Archive on lore.kernel.org
 help / color / mirror / Atom feed
From: Clemens Ladisch <clemens@ladisch.de>
To: "Keith A. Milner" <maillist@superlative.org>
Cc: alsa-devel@alsa-project.org
Subject: Re: Roland V-Studio 20
Date: Fri, 14 Feb 2014 20:07:56 +0100	[thread overview]
Message-ID: <52FE698C.5080501@ladisch.de> (raw)
In-Reply-To: <8010247.EC2u5T8PMU@kamdesktop>

Keith A. Milner wrote:
> I've recently picked up a cheap Roland V-Studio 20 device. This is described
> in the product spec as supporting 24-bit, but it is appearing as 16-bit only.

How does it appear in /proc/asound/card*/stream0?

> Unfortunately, Roland seem to insist on their own proprietary descriptors,
> which I don't know how to decode, so I'm not sure whether this is genuinely a
> 24-bit interface that isn't being interpreted properly by snd-usb-audio, or
> whether it's marketing spin, and it's actually 16-bit.

> ** UNRECOGNIZED:  0b 24 02 01 02 03 18 01 44 ac 00
                                   ^^ ^^
                                   This is three bytes, 24 bits.


Regards,
Clemens

  reply	other threads:[~2014-02-14 19:08 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-14 18:25 Roland V-Studio 20 Keith A. Milner
2014-02-14 19:07 ` Clemens Ladisch [this message]
2014-02-15  0:24   ` Keith A. Milner

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=52FE698C.5080501@ladisch.de \
    --to=clemens@ladisch.de \
    --cc=alsa-devel@alsa-project.org \
    --cc=maillist@superlative.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox