Dear debian users, I have recently set up a debian wheezy on an ASUS A73B series. Everything went well except that the sound is very scratchy. I can play sound but there is an additional annoying noise, like a bad communication on old land lines: scrrrtch scrrrtch. The higher the volume, the higher the frequency of the scratches (and volume too). It sounds a bit like a saturated amplifier, but not exactly. It's more like a bad contact which would always work badly. There is a dual boot on the computer and the sound is working perfectly well on another non free operating system. So I suppose that the hardware is ok.
I have checked the volumes and they are not at the max. I have tried to play with alsa settings without any improvement. I tried adding a PCM channel in order to reduce this effect (see .asoundrc below). I can change the volume with three channels: master, PCM, speaker. I have tried removing pulseaudio, alsa-base, reinstalling them one by one... I finally installed paman and pavucontrol and played with them, but nothing worked. Any help or hint would be very welcome. Here is my setup: $ aplay -l **** Liste des Périphériques Matériels PLAYBACK **** carte 0: SB [HDA ATI SB], périphérique 0: ALC269VB Analog [ALC269VB Analog] Sous-périphériques: 1/1 Sous-périphérique #0: subdevice #0 carte 1: Generic [HD-Audio Generic], périphérique 3: HDMI 0 [HDMI 0] Sous-périphériques: 1/1 Sous-périphérique #0: subdevice #0 $ aplay -L http://paste.debian.net/246281/ $ cat .asoundrc pcm.!default front:SB $ cat /proc/asound/card*/codec#0 | grep -i codec Codec: Realtek ALC269VB Codec: ATI R6xx HDMI $ cat /proc/asound/modules 0 snd_hda_intel 1 snd_hda_intel $ lspci -nn |grep Audio 00:14.2 Audio device [0403]: Advanced Micro Devices [AMD] nee ATI SBx00 Azalia (Intel HDA) [1002:4383] (rev 40) 01:00.1 Audio device [0403]: Advanced Micro Devices [AMD] nee ATI Caicos HDMI Audio [Radeon HD 6400 Series] [1002:aa98] $ lsmod | grep snd http://paste.debian.net/246284/ $ cat /etc/modprobe.d/alsa-base.conf http://paste.debian.net/246285/ $ aptitude search "~dsound ~i" http://paste.debian.net/246286/ $ cat /etc/apt/sources.list deb http://ftp.fr.debian.org/debian/ wheezy main contrib non-free deb-src http://ftp.fr.debian.org/debian/ wheezy main deb http://security.debian.org/ wheezy/updates main contrib deb-src http://security.debian.org/ wheezy/updates main contrib I am completely lost. Can anyone give me some hints regarding this please? Best regards, -- Vincent Hobeïka -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/CANxQfEa3ZKZ+XAY=DLdehf5WLo_71Nr_LL8ybTds4cWm=ei...@mail.gmail.com
