Re: Playing 8-bit raw Audio with mplayer
Martin McCormick wrote:
> mplayer -quiet -rawaudio samplesize=1:channels=1:rate=8000 -demuxer
> rawaudio \ /tmp/
This was interesting experiment, but I don't hear such a thing.
what do you see in ratio (see below) from mplayer
for me it's ratio: 8000->8000
uname -a
Linux maistor 2.6.30.4eko2 #1 SMP PREEMPT Wed Aug 12 00:57:41 CEST 2009 i686
GNU/Linux
cat /proc/asound/card*/codec* | grep Codec
Codec: SigmaTel STAC9200
player -quiet -rawaudio samplesize=1:channels=1:rate=8000 -demuxer
rawaudio /tmp/testfile
MPlayer dev-SVN-r28048-4.3.2 (C) 2000-2008 MPlayer Team
CPU: Intel(R) Core(TM)2 CPU T7200 @ 2.00GHz (Family: 6, Model: 15,
Stepping: 6)
CPUflags: MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1
Compiled for x86 CPU with extensions: MMX MMX2 SSE SSE2
/usr/share/fonts/truetype/ttf-sil-gentium/GenAI102.ttf doesn't look like a
bitmap font description, ignoring.
Cannot load bitmap
font: /usr/share/fonts/truetype/ttf-sil-gentium/GenAI102.ttf
mplayer: could not connect to socket
mplayer: No such file or directory
Failed to open LIRC support. You will not be able to use your remote
control.
Playing /tmp/testfile.
rawaudio file format detected.
==========================================================================
Opening audio decoder: [pcm] Uncompressed PCM audio decoder
AUDIO: 8000 Hz, 1 ch, u8, 64.0 kbit/100.00% (ratio: 8000->8000)
Selected audio codec: [pcm] afm: pcm (Uncompressed PCM)
==========================================================================
AO: [oss] 8000Hz 1ch u8 (1 bytes per sample)
Video: no video
Starting playback...
Exiting... (End of file)
emanoil@maistor:/tmp$ mplayer -quiet -rawaudio
samplesize=1:channels=1:rate=8000 -demuxer rawaudio /tmp/testfile
MPlayer dev-SVN-r28048-4.3.2 (C) 2000-2008 MPlayer Team
CPU: Intel(R) Core(TM)2 CPU T7200 @ 2.00GHz (Family: 6, Model: 15,
Stepping: 6)
CPUflags: MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1
Compiled for x86 CPU with extensions: MMX MMX2 SSE SSE2
...
Playing /tmp/testfile.
rawaudio file format detected.
==========================================================================
Opening audio decoder: [pcm] Uncompressed PCM audio decoder
AUDIO: 8000 Hz, 1 ch, u8, 64.0 kbit/100.00% (ratio: 8000->8000)
Selected audio codec: [pcm] afm: pcm (Uncompressed PCM)
==========================================================================
AO: [oss] 8000Hz 1ch u8 (1 bytes per sample)
Video: no video
Starting playback...
Exiting... (End of file)
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