Debian Bug report logs - #713904
alsa-utils: Non-zero levels of Master and PCM are used for silence.

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Message #5 received at [email protected] (full text, mbox, reply):

From: Sthu <[email protected]>

To: Debian Bug Tracking System <[email protected]>

Subject: alsa-utils: Non-zero levels of Master and PCM are used for silence.

Date: Mon, 24 Jun 2013 01:45:15 +0700

Package: alsa-utils
Version: 1.0.27.1-1
Severity: normal

Dear Maintainer,

Sound goes away at the following settings:

$ amixer
Simple mixer control 'Master',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined
  Playback channels: Mono
  Limits: Playback 0 - 31
  Mono: Playback 22 [71%] [-13.50dB] [on]
Simple mixer control 'PCM',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 7 [23%] [-36.00dB] [on]
  Front Right: Playback 7 [23%] [-36.00dB] [on]
Simple mixer control 'Mic Boost',0
  Capabilities: volume
  Playback channels: Front Left - Front Right
  Capture channels: Front Left - Front Right
  Limits: 0 - 4
  Front Left: 0 [0%] [0.00dB]
  Front Right: 0 [0%] [0.00dB]
Simple mixer control 'Capture',0
  Capabilities: cvolume cswitch
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 15
  Front Left: Capture 0 [0%] [0.00dB] [off]
  Front Right: Capture 0 [0%] [0.00dB] [off]
Simple mixer control 'Auto-Mute Mode',0
  Capabilities: enum
  Items: 'Disabled' 'Enabled'
  Item0: 'Enabled'
Simple mixer control 'Digital',0
  Capabilities: cvolume
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 120
  Front Left: Capture 0 [0%] [-30.00dB]
  Front Right: Capture 0 [0%] [-30.00dB]

Therefore the minimal level when sound is heard is too high.
Decreasing MAster or PCM brings then no sound at all.

So, choice is between muted and high volume.

For instance I have Audio device:
Advanced Micro Devices, Inc. [AMD/ATI] SBx00 Azalia (Intel HDA)

-- System Information:
Debian Release: jessie/sid
  APT prefers testing
  APT policy: (700, 'testing'), (600, 'stable-updates'), (600, 'stable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 3.9-1-amd64 (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages alsa-utils depends on:
ii  kmod            9-3
ii  libasound2      1.0.27.1-1
ii  libc6           2.17-3
ii  libncursesw5    5.9+20130608-1
ii  libsamplerate0  0.1.8-5
ii  libtinfo5       5.9+20130608-1
ii  lsb-base        4.1+Debian12
ii  whiptail        0.52.15-2

Versions of packages alsa-utils recommends:
ii  alsa-base  1.0.25+3

alsa-utils suggests no packages.

-- no debconf information

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