Hello there,
i have a problem with my Sb Live! which is that the center channel gives me
no sound at al. the setup i use is an Sb Live on linux 2.6.3 ( al modules
build into the kernel) with Creative DTT 3500 digital speakers.
output of several commands are below
when i play an a52 or ac3 (5.1 surround) encoded file in mplayer it detects
al channels correctly and gives me sound on al the speakers but noting on
the center even if i put al the channels way up in alsamixer.
i have tried differend files so i know its not the file . i also tried to
switch speakers, tryed an other set of speakers still no go ..
how do i resolve this ? or is this known not to work ?
------------- out put of commands
#lspci -v
-snip-
00:07.0 Multimedia audio controller: Creative Labs SB Live! EMU10k1 (rev 07)
Subsystem: Creative Labs SB Live! 5.1 Model SB0100
Flags: bus master, medium devsel, latency 32, IRQ 12
I/O ports at e400 [size=32]
Capabilities: [dc] Power Management version 1
-snip-
#mplayer -ao alsa9 -channels 6 <file>
-snip-
==========================================================================
Opening audio decoder: [liba52] AC3 decoding with liba52
Using SSE optimized IMDCT transform
AC3: 5.1 (3f+2r+lfe) 48000 Hz 448.0 kbit/s
Using MMX optimized resampler
AUDIO: 48000 Hz, 6 ch, 16 bit (0x10), ratio: 56000->576000 (448.0 kbit)
Selected audio codec: [a52] afm:liba52 (AC3-liba52)
==========================================================================
vo: X11 running at 1024x768 with depth 24 and 32 bpp (":0.0" => local
display)
==========================================================================
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
Selected video codec: [ffodivx] vfm:ffmpeg (FFmpeg MPEG-4)
==========================================================================
Checking audio filter chain for 48000Hz/6ch/16bit -> 48000Hz/6ch/16bit...
AF_pre: af format: 2 bps, 6 ch, 48000 hz, little endian signed int
AF_pre: 48000Hz 6ch Signed 16-bit (Little-Endian)
alsa-init: requested format: 48000 Hz, 6 channels, Signed 16-bit
(Little-Endian)
alsa-init: soundcard set to surround51
alsa9: 48000 Hz/6 channels/12 bpf/196608 bytes buffer/Signed 16 bit Little
Endian
AO: [alsa9] 48000Hz 6ch Signed 16-bit (Little-Endian) (2 bps)
Building audio filter chain for 48000Hz/6ch/16bit -> 48000Hz/6ch/16bit...
-snip-
#cat /usr/src/linux/include/sound/version.h
/* include/version.h. Generated by configure. */
#define CONFIG_SND_VERSION "1.0.2c"
-snip-
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