From: Raymond Yau <superquad.vortex2@gmail.com>
To: ALSA Development Mailing List <alsa-devel@alsa-project.org>
Subject: Re: wrong decibel data?
Date: Mon, 14 Jun 2010 16:45:52 +0800 [thread overview]
Message-ID: <AANLkTikknwiaVOWUwtWsiNOc0j3VtG3YMEMkRO1o2w2f@mail.gmail.com> (raw)
In-Reply-To: <hv4pfi$gqr$3@dough.gmane.org>
2010/6/14 Colin Guthrie <gmane@colin.guthr.ie>
> 'Twas brillig, and Raymond Yau at 14/06/10 01:25 did gyre and gimble:
> > if your sound card have ac97 codec ., you can use audacity to record the
> > output from hw:0,0 and you will see clipping occur when you set "PCM"
> volume
> > above 0dB
>
> So the standard response is "don't do that then" :)
>
> That's why the base volume is shown to the user via GUIs so that they
> can gauge the best point on the slider to use. Currently there is no
> indication with alsa sliders at which point the 0dB "sweet spot" lies.
>
> IMO this is a good improvement for usability.
>
> Col
>
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.
next prev parent reply other threads:[~2010-06-14 8:45 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 [this message]
2010-06-14 10:17 ` Colin Guthrie
2010-06-14 18:38 ` Lennart Poettering
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
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=AANLkTikknwiaVOWUwtWsiNOc0j3VtG3YMEMkRO1o2w2f@mail.gmail.com \
--to=superquad.vortex2@gmail.com \
--cc=alsa-devel@alsa-project.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;
as well as URLs for NNTP newsgroup(s).