Re: FM801 5.1 surround

Re: FM801 5.1 surround

[Emilio Federici]

 
--

On Mon, 19 Aug 2002 17:54:38  
 Takashi Iwai wrote:

>
>which ac97 chip on the card?  no relevant mixer elements?
>
>i guess the fm801 engine itself already supports 6 channels but the
>codec is not.
>
>
>Takashi
>

Hi Takashi, thanks for your immediate answer. I unplugged the card and found it has 2 ac97 chips:

SIGMATEL STAC9721T
WM XWM9704

This is the 'amixer scontrols' output:
[root@localhost root]# amixer scontrols
Simple mixer control 'Master',0
Simple mixer control 'Master Mono',0
Simple mixer control 'Master',1
Simple mixer control 'Master Mono',1
Simple mixer control '3D Control - Center',0
Simple mixer control '3D Control - Depth',0
Simple mixer control '3D Control - Switch',0
Simple mixer control '3D Control - Switch',1
Simple mixer control '3D Control Sigmatel - Depth',1
Simple mixer control 'PCM',0
Simple mixer control 'PCM',1
Simple mixer control 'Surround',0
Simple mixer control 'FM',0
Simple mixer control 'Wave',0
Simple mixer control 'Line',0
Simple mixer control 'Line',1
Simple mixer control 'CD',0
Simple mixer control 'CD',1
Simple mixer control 'Mic',0
Simple mixer control 'Mic Boost (+20dB)',0
Simple mixer control 'Mic Boost (+20dB)',1
Simple mixer control 'Mic',1
Simple mixer control 'Video',0
Simple mixer control 'Video',1
Simple mixer control 'Phone',0
Simple mixer control 'Phone',1
Simple mixer control 'I2S',0
Simple mixer control 'IEC958',0
Simple mixer control 'IEC958 Raw Data',0
Simple mixer control 'PC Speaker',0
Simple mixer control 'PC Speaker',1
Simple mixer control 'Aux',0
Simple mixer control 'Aux',1
Simple mixer control 'Capture',0
Simple mixer control 'Capture',1
Simple mixer control 'Mix',0
Simple mixer control 'Mix Mono',0
Simple mixer control 'Mix',1
Simple mixer control 'Mix Mono',1
Simple mixer control 'AC97 18-bit',0
Simple mixer control 'AC97 2ch->4ch Copy',0
Simple mixer control 'External Amplifier Power Down',0
Simple mixer control 'External Amplifier Power Down',1

I'm considering upgrading to a Sounblaster Audigy (for this among many other reasons) but I read that it has similar problems with 5.1 output, is that still true?

Thanks for your help
Bye!


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Re: FM801 5.1 surround

[Takashi Iwai]

At Mon, 19 Aug 2002 19:51:53 +0100,
Emilio Federici wrote:
> 
>  
> --
> 
> On Mon, 19 Aug 2002 17:54:38  
>  Takashi Iwai wrote:
> 
> >
> >which ac97 chip on the card?  no relevant mixer elements?
> >
> >i guess the fm801 engine itself already supports 6 channels but the
> >codec is not.
> >
> >
> >Takashi
> >
> 
> Hi Takashi, thanks for your immediate answer. I unplugged the card and found it has 2 ac97 chips:
> 
> SIGMATEL STAC9721T
> WM XWM9704
> 
> This is the 'amixer scontrols' output:
> [root@localhost root]# amixer scontrols
> Simple mixer control 'Master',0
> Simple mixer control 'Master Mono',0
> Simple mixer control 'Master',1
> Simple mixer control 'Master Mono',1
> Simple mixer control '3D Control - Center',0
> Simple mixer control '3D Control - Depth',0
> Simple mixer control '3D Control - Switch',0
> Simple mixer control '3D Control - Switch',1
> Simple mixer control '3D Control Sigmatel - Depth',1
> Simple mixer control 'PCM',0
> Simple mixer control 'PCM',1
> Simple mixer control 'Surround',0
> Simple mixer control 'FM',0
> Simple mixer control 'Wave',0
> Simple mixer control 'Line',0
> Simple mixer control 'Line',1
> Simple mixer control 'CD',0
> Simple mixer control 'CD',1
> Simple mixer control 'Mic',0
> Simple mixer control 'Mic Boost (+20dB)',0
> Simple mixer control 'Mic Boost (+20dB)',1
> Simple mixer control 'Mic',1
> Simple mixer control 'Video',0
> Simple mixer control 'Video',1
> Simple mixer control 'Phone',0
> Simple mixer control 'Phone',1
> Simple mixer control 'I2S',0
> Simple mixer control 'IEC958',0
> Simple mixer control 'IEC958 Raw Data',0
> Simple mixer control 'PC Speaker',0
> Simple mixer control 'PC Speaker',1
> Simple mixer control 'Aux',0
> Simple mixer control 'Aux',1
> Simple mixer control 'Capture',0
> Simple mixer control 'Capture',1
> Simple mixer control 'Mix',0
> Simple mixer control 'Mix Mono',0
> Simple mixer control 'Mix',1
> Simple mixer control 'Mix Mono',1
> Simple mixer control 'AC97 18-bit',0
> Simple mixer control 'AC97 2ch->4ch Copy',0
> Simple mixer control 'External Amplifier Power Down',0
> Simple mixer control 'External Amplifier Power Down',1

as you see above, there are double entries with different indices, so
apparently the fm801 driver already probed two codec properly.

i guess you didn't configure the secondary codec.
please try unmute and adjust the volume of secondary mixer elements,
i.e. 'Master,1' and 'PCM,1'.
most likely this corresponds to the center/lfe volume.


> I'm considering upgrading to a Sounblaster Audigy (for this among
> many other reasons) but I read that it has similar problems with 5.1
> output, is that still true? 

iirc, it works for analog outputs.
the digital output seems not working yet.
recently a patch was applied to support the spdif i/o on audigy drive,
but i myself cannot test it.


Takashi


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FM801 5.1 surround

[Emilio Federici]

Hi everybody! I was wondering why my Abit AU10 FM801 isn't able to play through central channel.
Actually by turning on the 'Surrond' amixer control I was able to hear the two rear channels but no luck with central one.
Is it still unimplemented and if so is it possible/easy to do it myself?

Thanks in advence for ur help.


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Re: FM801 5.1 surround

[Takashi Iwai]

At Mon, 19 Aug 2002 16:38:25 +0100,
Emilio Federici wrote:
> 
> Hi everybody! I was wondering why my Abit AU10 FM801 isn't able to
> play through central channel. 
> Actually by turning on the 'Surrond' amixer control I was able to
> hear the two rear channels but no luck with central one. 
> Is it still unimplemented and if so is it possible/easy to do it
> myself?

which ac97 chip on the card?  no relevant mixer elements?

i guess the fm801 engine itself already supports 6 channels but the
codec is not.


Takashi


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FM801 5.1 surround

[Emilio Federici]

Hi everybody! I was wondering why my Abit AU10 FM801 isn't able to play through central channel.
Actually by turning on the 'Surrond' amixer control I was able to hear the two rear channels but no luck with central one.
Is it still unimplemented and if so is it possible/easy to do it myself?

Thanks in advence for ur help.


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