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Old 03-20-2006, 06:39 PM   #1
pilatus666
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Sorround problems..


Hy there! I´ve got a problem with playing sororound 4.0 on an AC97 5.1 soundcard. the soundcard supports this tipe of out put: I use the same configuration with win xp! I set my alsa mix so that the Line-In as sorround is checked and use in amaroK 1.3.8 the Xine engine configured to 4.0 with alsa and it´s stil no sound comming on my rear speakers and more to that amaroK crashes after a while with this (Xine) engine no matther what speaker arangment is set, with the arts and Gstreamer engines works well but there´s no sorround option! Where did I wrong? Do I need a special program (like Xear3D on win xp), if I need a program like that where do I get it or what´s that program... or what else can I do to fix this?
Thanks for any help!
 
Old 03-20-2006, 06:40 PM   #2
pilatus666
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I allready posted this tread in other topic on this forum but I guess here is in the right place..thanks again
 
Old 03-20-2006, 07:04 PM   #3
cs-cam
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You trying to play stereo MP3s through 4 channels? Can you see where I'm going with this? Windows may automatically dupe the stereo channels but linux won't because it's not "correct". 99.9% (subjective) of music is in stereo which means it has two channels, a left and a right. As such, two channels will output to two speakers, not four. There are ways to spread the sound, check in you mixer app for an option, most have it but it's not a default thing.
 
Old 03-20-2006, 07:37 PM   #4
pilatus666
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Ok! i understand what you said but I´m looking for a software wtch has the same effect as Xear 3D! It mix the 2 channel mp3 as they where in 4 channels, as matther effect any sound (even simple system sound under windows) is in sorround and there are a lot´s of effects witch creates the feeling of a sorround music even if he´s just on mp3! that software came with the driver for the audiocard. By default these thing don´t work whit windows just after this Xera3D soft is installed! I checked on the (mainboard) manufacturer´s site but I couldn´t find anything helpfull (only the ¨build for win xp sh*t)
 
Old 03-20-2006, 08:51 PM   #5
cs-cam
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http://gentoo-wiki.com/HOWTO_Surround_Sound

Have a look at that, ALSA stuff isn't distro-specific so ignore the fact that it's a Gentoo site
 
Old 03-21-2006, 04:13 AM   #6
pilatus666
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¨Duplicating FL/FR on RL/RR

For lazy/pseudo 4 channel surround we can duplicate the sound from our front speakers on our rear speakers. If you didn't install alsa-utils from the guide, do it now. Fire up alsamixer...

alsamixer

and navigate right (using arrow keys) to the item "Duplicate Front", turn it on by pressing 'm'. Now navigate left to the item "Surround", make sure it turned on and the volume is adjusted to a practical level: 'Q' and 'Z' adjust the rear left speaker's volume up and down respectively, 'E' and 'C' for the right speaker and 'W' and 'X' adjust both.

Now all two-channel, stereo sound should play through four speakers. ¨
This is what I need but I still have the problem: when I start alsamixer there is no ¨Duplicate Front¨ item! Instead I got on item called ¨Line In¨ (described as ¨Line in as sorround¨) I´ve turn this ON to! The ¨Surround¨ item is there and turned ON but still no sound comming on the rear speakers!!!
Any other ideas or tips are welcome! Thanks!
 
  


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