From: Clemens Ladisch <clemens@ladisch.de>
To: "Sebastian H." <vand2@gmx.de>
Cc: alsa-devel@alsa-project.org
Subject: Re: Mixer volume/decibel mapping
Date: Thu, 20 May 2010 09:34:21 +0200 [thread overview]
Message-ID: <4BF4E5FD.2040808@ladisch.de> (raw)
In-Reply-To: <201005191834.57919.vand2@gmx.de>
Sebastian H. wrote:
> Is there always an 1 to 1 mapping from volume to decibel and vice
> versa or can there be decibel values in between two volume steps?
The volume values are the device's hardware register values and could
have any random dB difference between steps (and that difference might
not even be constant over the entire range). The volume/dB mapping just
tells you which dB or volume value is nearest to a given volume or
dB value.
Regards,
Clemens
next prev parent reply other threads:[~2010-05-20 7:34 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-19 16:34 Mixer volume/decibel mapping Sebastian H.
2010-05-20 7:34 ` Clemens Ladisch [this message]
2010-05-20 8:01 ` James Courtier-Dutton
2010-05-20 8:53 ` Raymond Yau
2010-05-20 9:41 ` Sebastian H.
2010-05-20 16:13 ` James Courtier-Dutton
2010-05-21 0:35 ` Raymond Yau
2010-05-21 1:30 ` Raymond Yau
2010-05-21 8:18 ` Sebastian H.
2010-06-07 3:37 ` Raymond Yau
2010-06-07 9:19 ` Sebastian H.
2010-06-08 1:03 ` Raymond Yau
2010-06-08 6:02 ` Sebastian Holtermann
2010-06-08 15:31 ` Raymond Yau
2010-06-09 10:26 ` Sebastian H.
2010-06-08 6:08 ` Sebastian H.
2010-06-09 5:39 ` Raymond Yau
2010-06-09 7:34 ` Sebastian H.
2010-06-10 0:08 ` Raymond Yau
2010-06-09 5:55 ` Raymond Yau
2010-06-08 2:23 ` Raymond Yau
2010-05-21 6:35 ` Clemens Ladisch
2010-05-21 6:51 ` Peter Ujfalusi
2010-05-21 9:56 ` Clemens Ladisch
2010-05-24 2:52 ` Raymond Yau
2010-05-25 8:38 ` Clemens Ladisch
2010-05-25 8:43 ` James Courtier-Dutton
2010-05-25 8:49 ` Clemens Ladisch
2010-05-25 23:24 ` Raymond Yau
2010-05-27 13:32 ` Colin Guthrie
2010-05-29 3:54 ` Raymond Yau
2010-05-29 1:57 ` Raymond Yau
2010-05-29 18:46 ` Colin Guthrie
2010-06-04 23:46 ` Raymond Yau
[not found] ` <AANLkTik7mD1DAVWkOwM7sNu0EfgGApvzX9WRXWBOO4PI@mail.gmail.com>
2010-05-25 8:45 ` Clemens Ladisch
2010-05-25 13:51 ` Raymond Yau
2010-05-25 14:36 ` Clemens Ladisch
2010-05-25 23:00 ` Raymond Yau
2010-05-27 0:20 ` Raymond Yau
2010-05-28 13:04 ` Raymond Yau
2010-05-28 14:10 ` Clemens Ladisch
2010-05-29 1:31 ` Raymond Yau
2010-05-21 13:16 ` James Courtier-Dutton
2010-05-25 8:21 ` Clemens Ladisch
2010-06-09 6:19 ` Raymond Yau
2010-05-22 9:24 ` Raymond Yau
2010-05-20 9:20 ` Sebastian H.
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=4BF4E5FD.2040808@ladisch.de \
--to=clemens@ladisch.de \
--cc=alsa-devel@alsa-project.org \
--cc=vand2@gmx.de \
/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;
as well as URLs for NNTP newsgroup(s).