From: Lennart Poettering <mznyfn@0pointer.de>
To: alsa-devel@alsa-project.org
Subject: Re: wrong decibel data?
Date: Mon, 14 Jun 2010 20:38:23 +0200 [thread overview]
Message-ID: <20100614183823.GB14916@tango.0pointer.de> (raw)
In-Reply-To: <AANLkTikknwiaVOWUwtWsiNOc0j3VtG3YMEMkRO1o2w2f@mail.gmail.com>
On Mon, 14.06.10 16:45, Raymond Yau (superquad.vortex2@gmail.com) wrote:
> The correct way is to provide the real ALSA 's 0dB point (Playback volume)
> for the user of AC97 sound card so that they can record without any
> distortion using line in with the loopback cable connected to line out.
Jeez, man, I explained that in my original reply.
If I may quote myself:
'On top of that most volume controls should then mark the ALSA 0dB
point as "base" volume on the slider, at what PA then calls -y dB.
That way we will expose 0dB as maximum hw amplitude uniformly on all
sound cards and have a special point on the slider that is hinted to be
the "comfort" point.
This is all explained on
http://pulseaudio.org/wiki/WritingVolumeControlUIs#BaseVolumes'
See? It's all explained there. We still show the ALSA 0dB point on our
sliders, we just don't call it "0dB" but "base volume".
Lennart
--
Lennart Poettering Red Hat, Inc.
lennart [at] poettering [dot] net
http://0pointer.net/lennart/ GnuPG 0x1A015CC4
next prev parent reply other threads:[~2010-06-14 18:38 UTC|newest]
Thread overview: 100+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-02 18:21 wrong decibel data? Nicolo' Chieffo
2010-04-02 20:25 ` Nicolo' Chieffo
2010-04-03 10:09 ` Colin Guthrie
2010-04-03 10:48 ` Nicolo' Chieffo
2010-04-05 0:15 ` Raymond Yau
2010-04-05 8:29 ` Stereo Support in APLAY Reddy, MR Swami
2010-04-08 6:47 ` Clemens Ladisch
2010-04-04 0:09 ` wrong decibel data? Raymond Yau
2010-04-04 1:31 ` Raymond Yau
2010-04-06 0:07 ` Raymond Yau
2010-04-08 1:35 ` Raymond Yau
2010-04-16 13:48 ` Raymond Yau
2010-04-17 9:31 ` Colin Guthrie
2010-04-21 2:32 ` Raymond Yau
2010-04-21 8:06 ` Colin Guthrie
2010-04-22 1:16 ` Raymond Yau
2010-05-27 13:30 ` Colin Guthrie
2010-05-27 13:48 ` Clemens Ladisch
2010-05-27 14:43 ` Colin Guthrie
2010-05-27 17:21 ` Colin Guthrie
2010-06-06 0:12 ` Raymond Yau
2010-06-07 9:03 ` Colin Guthrie
2010-06-08 0:47 ` Raymond Yau
2010-06-08 15:30 ` Colin Guthrie
2010-06-10 3:16 ` Raymond Yau
2010-06-10 16:11 ` Colin Guthrie
2010-06-13 13:53 ` Lennart Poettering
2010-06-14 0:25 ` Raymond Yau
2010-06-14 8:33 ` Colin Guthrie
2010-06-14 8:38 ` Raymond Yau
2010-06-14 8:45 ` Raymond Yau
2010-06-14 10:17 ` Colin Guthrie
2010-06-14 18:38 ` Lennart Poettering [this message]
2010-06-14 8:56 ` James Courtier-Dutton
2010-06-14 9:54 ` Raymond Yau
2010-06-14 10:07 ` James Courtier-Dutton
2010-06-15 6:57 ` Raymond Yau
2010-06-14 18:46 ` Lennart Poettering
2010-06-14 10:22 ` Colin Guthrie
2010-06-14 10:46 ` James Courtier-Dutton
2010-06-14 11:03 ` Colin Guthrie
2010-06-14 11:29 ` Alan Horstmann
2010-06-14 12:36 ` Raymond Yau
2010-06-14 14:17 ` Colin Guthrie
2010-06-14 15:27 ` James Courtier-Dutton
2010-06-14 15:44 ` Colin Guthrie
2010-06-14 16:09 ` Mark Brown
2010-06-15 0:11 ` Raymond Yau
2010-06-22 2:31 ` Raymond Yau
2010-06-22 9:15 ` Colin Guthrie
2010-06-22 15:29 ` Raymond Yau
2010-06-22 17:05 ` Colin Guthrie
2010-06-23 1:15 ` Raymond Yau
2010-06-23 9:12 ` Colin Guthrie
2010-06-28 1:47 ` Raymond Yau
2010-06-28 8:18 ` Colin Guthrie
2010-07-01 15:03 ` Raymond Yau
2010-06-14 18:54 ` Lennart Poettering
2010-06-14 18:49 ` Lennart Poettering
2010-06-14 23:43 ` Raymond Yau
2010-06-15 16:10 ` Colin Guthrie
2010-06-14 18:41 ` Lennart Poettering
2010-06-08 4:01 ` Raymond Yau
2010-06-08 15:40 ` Colin Guthrie
2010-05-28 2:37 ` Raymond Yau
2010-05-28 2:04 ` Raymond Yau
2010-04-06 1:46 ` Raymond Yau
2010-04-06 8:01 ` Nicolo' Chieffo
2010-04-07 0:34 ` Raymond Yau
2010-04-07 8:17 ` Nicolo' Chieffo
2010-04-07 12:17 ` Nicolo' Chieffo
2010-04-07 23:38 ` Raymond Yau
2010-04-08 2:05 ` Raymond Yau
2010-04-08 12:42 ` Nicolo' Chieffo
2010-04-08 23:11 ` Raymond Yau
2010-04-09 7:30 ` Nicolo' Chieffo
2010-04-09 11:37 ` Raymond Yau
2010-04-09 11:40 ` Raymond Yau
2010-04-09 12:27 ` Nicolo' Chieffo
2010-06-24 9:53 ` Raymond Yau
2010-04-09 13:49 ` Raymond Yau
2010-04-09 13:59 ` Nicolo' Chieffo
2010-04-09 18:35 ` Nicolo' Chieffo
2010-04-10 0:27 ` Raymond Yau
2010-04-10 9:27 ` Raymond Yau
2010-04-10 9:41 ` Nicolo' Chieffo
2010-04-10 23:32 ` Raymond Yau
2010-04-11 0:02 ` Raymond Yau
2010-04-11 9:00 ` Nicolo' Chieffo
2010-04-15 3:38 ` Raymond Yau
2010-04-14 1:39 ` Raymond Yau
[not found] ` <4BBF5F81.1010205@yellowcouch.org>
2010-04-09 23:32 ` Raymond Yau
2010-04-10 6:56 ` Werner Van Belle
2010-04-10 7:23 ` Raymond Yau
2010-04-10 4:25 ` Raymond Yau
2010-04-10 6:59 ` Werner Van Belle
2010-04-10 0:11 ` Raymond Yau
2010-04-17 0:40 ` Raymond Yau
2010-04-09 0:49 ` Raymond Yau
2010-04-09 1:35 ` Raymond Yau
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