Re: [SLUG] Rant about Alsa

From: Robert Snyder (res03q8w@gte.net)
Date: Mon Feb 28 2005 - 18:06:11 EST


Paddy wrote:

>On Mon, 2005-02-28 at 15:48 -0500, R. Samuel Jose, Jr. wrote:
>
>
>>The Gentoo ALSA guide has a section on configuring ALSA
>>(http://www.gentoo.org/doc/en/alsa-guide.xml#doc_chap3) that talks about
>>setting the amixer values. I would imagine the alsamixer and amixer
>>parts should be relevant in FC3. If this is something you've already
>>tried, accept my apologies... :)
>>
>>Unmute the Channels
>>
>>By default, all sound channels are muted. To fix this, run amixer:
>>
>>
>>Code Listing 3.5: Running amixer
>>
>>
>># amixer
>>
>>If amixer produces lots of output then you're ready to unmute the
>>channels. If you receive an error, doublecheck that your soundcard
>>module is started.
>>
>>Now unmute the Master and PCM channels. If this isn't sufficient, also
>>unmute the Center and Surround channels.
>>
>>
>>Code Listing 3.6: Unmuting the sound channels
>>
>>
>>(If you prefer an ncurses method:)
>>
>># alsamixer
>>
>>(or)
>>
>># amixer set Master 100% unmute
>># amixer set PCM 100% unmute
>>(Only if the above isn't sufficient:)
>># amixer set Center 100% unmute
>># amixer set Surround 100% unmute
>># amixer set Headphone 100% unmute
>>
>>
>
>Here is the result of running the amixer command;
>
>Simple mixer control 'Master',0
> Capabilities: pvolume pswitch
> Playback channels: Front Left - Front Right
> Limits: Playback 0 - 31
> Front Left: Playback 23 [74%] [on]
> Front Right: Playback 23 [74%] [on]
>Simple mixer control 'Master Mono',0
> Capabilities: pvolume pvolume-joined pswitch pswitch-joined
> Playback channels: Mono
> Limits: Playback 0 - 31
> Mono: Playback 26 [84%] [on]
>Simple mixer control 'Master Surround',0
> Capabilities: pvolume pswitch
> Playback channels: Front Left - Front Right
> Limits: Playback 0 - 31
> Front Left: Playback 27 [87%] [on]
> Front Right: Playback 27 [87%] [on]
>Simple mixer control 'PCM',0
> Capabilities: pvolume pswitch
> Playback channels: Front Left - Front Right
> Limits: Playback 0 - 31
> Front Left: Playback 23 [74%] [on]
> Front Right: Playback 23 [74%] [on]
>Simple mixer control 'Surround',0
> Capabilities: pvolume pswitch
> Playback channels: Front Left - Front Right
> Limits: Playback 0 - 31
> Front Left: Playback 27 [87%] [on]
> Front Right: Playback 27 [87%] [on]
>Simple mixer control 'Surround Jack as Input',0
> Capabilities: pswitch pswitch-joined
> Playback channels: Mono
> Mono: Playback [on]
>Simple mixer control 'Center',0
> Capabilities: pvolume pvolume-joined pswitch pswitch-joined
> Playback channels: Mono
> Limits: Playback 0 - 31
> Mono: Playback 23 [74%] [on]
>Simple mixer control 'Center/LFE Jack as Input',0
> Capabilities: pswitch pswitch-joined
> Playback channels: Mono
> Mono: Playback [on]
>Simple mixer control 'LFE',0
> Capabilities: pvolume pvolume-joined pswitch pswitch-joined
> Playback channels: Mono
> Limits: Playback 0 - 31
> Mono: Playback 23 [74%] [on]
>Simple mixer control 'Line',0
> Capabilities: pvolume pswitch cswitch cswitch-joined cswitch-exclusive
> Capture exclusive group: 0
> Playback channels: Front Left - Front Right
> Capture channels: Front Left - Front Right
> Limits: Playback 0 - 31
> Front Left: Playback 23 [74%] [on] Capture [off]
> Front Right: Playback 23 [74%] [on] Capture [off]
>Simple mixer control 'CD',0
> Capabilities: pvolume pswitch cswitch cswitch-joined cswitch-exclusive
> Capture exclusive group: 0
> Playback channels: Front Left - Front Right
> Capture channels: Front Left - Front Right
> Limits: Playback 0 - 31
> Front Left: Playback 23 [74%] [on] Capture [off]
> Front Right: Playback 23 [74%] [on] Capture [off]
>Simple mixer control 'Mic',0
> Capabilities: pvolume pvolume-joined pswitch pswitch-joined cswitch
>cswitch-joined cswitch-exclusive
> Capture exclusive group: 0
> Playback channels: Mono
> Capture channels: Front Left - Front Right
> Limits: Playback 0 - 31
> Mono: Playback 23 [74%] [on]
> Front Left: Capture [on]
> Front Right: Capture [on]
>Simple mixer control 'Mic Boost (+20dB)',0
> Capabilities: pswitch pswitch-joined
> Playback channels: Mono
> Mono: Playback [on]
>Simple mixer control 'Mic Select',0
> Capabilities:
> Mono:
>Simple mixer control 'Video',0
> Capabilities: cswitch cswitch-joined cswitch-exclusive
> Capture exclusive group: 0
> Capture channels: Front Left - Front Right
> Front Left: Capture [off]
> Front Right: Capture [off]
>Simple mixer control 'Phone',0
> Capabilities: pvolume pvolume-joined pswitch pswitch-joined cswitch
>cswitch-joined cswitch-exclusive
> Capture exclusive group: 0
> Playback channels: Mono
> Capture channels: Front Left - Front Right
> Limits: Playback 0 - 31
> Mono: Playback 23 [74%] [on]
> Front Left: Capture [off]
> Front Right: Capture [off]
>Simple mixer control 'IEC958',0
> Capabilities: pswitch pswitch-joined
> Playback channels: Mono
> Mono: Playback [on]
>Simple mixer control 'IEC958 Output',0
> Capabilities: pswitch pswitch-joined
> Playback channels: Mono
> Mono: Playback [on]
>Simple mixer control 'IEC958 Playback AC97-SPSA',0
> Capabilities: volume volume-joined
> Playback channels: Mono
> Limits: 0 - 3
> Mono: 2 [67%]
>Simple mixer control 'IEC958 Playback Source',0
> Capabilities:
> Mono:
>Simple mixer control 'Aux',0
> Capabilities: pvolume pswitch cswitch cswitch-joined cswitch-exclusive
> Capture exclusive group: 0
> Playback channels: Front Left - Front Right
> Capture channels: Front Left - Front Right
> Limits: Playback 0 - 31
> Front Left: Playback 23 [74%] [on] Capture [off]
> Front Right: Playback 23 [74%] [on] Capture [off]
>Simple mixer control 'Capture',0
> Capabilities: cvolume cswitch
> Capture channels: Front Left - Front Right
> Limits: Capture 0 - 15
> Front Left: Capture 11 [73%] [off]
> Front Right: Capture 11 [73%] [off]
>Simple mixer control 'Mix',0
> Capabilities: cswitch cswitch-joined cswitch-exclusive
> Capture exclusive group: 0
> Capture channels: Front Left - Front Right
> Front Left: Capture [off]
> Front Right: Capture [off]
>Simple mixer control 'Mix Mono',0
> Capabilities: cswitch cswitch-joined cswitch-exclusive
> Capture exclusive group: 0
> Capture channels: Front Left - Front Right
> Front Left: Capture [off]
> Front Right: Capture [off]
>Simple mixer control 'Downmix',0
> Capabilities:
> Mono:
>Simple mixer control 'Exchange Front/Surround',0
> Capabilities: pswitch pswitch-joined
> Playback channels: Mono
> Mono: Playback [on]
>Simple mixer control 'External Amplifier',0
> Capabilities: pswitch pswitch-joined
> Playback channels: Mono
> Mono: Playback [on]
>Simple mixer control 'Input Source Select',0
> Capabilities:
> Mono:
>Simple mixer control 'Input Source Select',1
> Capabilities:
> Mono:
>Simple mixer control 'Spread Front to Surround and Center/LFE',0
> Capabilities: pswitch pswitch-joined
> Playback channels: Mono
> Mono: Playback [on]
>Simple mixer control 'VIA DXS',0
> Capabilities: pvolume
> Playback channels: Front Left - Front Right
> Limits: Playback 0 - 31
> Front Left: Playback 23 [74%]
> Front Right: Playback 23 [74%]
>Simple mixer control 'VIA DXS',1
> Capabilities: pvolume
> Playback channels: Front Left - Front Right
> Limits: Playback 0 - 31
> Front Left: Playback 23 [74%]
> Front Right: Playback 23 [74%]
>Simple mixer control 'VIA DXS',2
> Capabilities: pvolume
> Playback channels: Front Left - Front Right
> Limits: Playback 0 - 31
> Front Left: Playback 23 [74%]
> Front Right: Playback 23 [74%]
>Simple mixer control 'VIA DXS',3
> Capabilities: pvolume
> Playback channels: Front Left - Front Right
> Limits: Playback 0 - 31
> Front Left: Playback 23 [74%]
> Front Right: Playback 23 [74%]
>
>
>I also ran the commands individually as you suggested and got the same
>results as those combined in the above message.
>
>TIA
>
>Paddy
>
>
>
Paddy,

I found out had a similar problem but mine ended up being is fedora did
not have mp3 support out of the box. Some kind of licening issue.

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