Hi,
I'm trying to record sound from my SAT receiver with the SPDIF-In of my
CMI8738-MC6. Everything works fine if I use 48 kHz, but when I try using
44.1 kHz, arecord seems to record with 44.1 kHz, but the frequency of
the recorded sound is too low when played back with aplay.
Is this the intended behaviour? Maybe if the sound comes in with 48 kHz,
it cannot (and perhaps should not) be resampled to 44.1 kHz? If so,
would it be possible to warn about that problem? Is there a way to see
with which rate the SPDIF stream is coming in?
% arecord -v -D hw:0,2 -c 2 -r 44100 -f S16_LE wav7.wav
Recording WAVE 'wav7.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo
Hardware PCM card 0 'C-Media PCI CMI8738-MC6' device 2 subdevice -1
Its setup is:
stream : CAPTURE
access : RW_INTERLEAVED
format : S16_LE
subformat : STD
channels : 2
rate : 44100
exact rate : 44100 (44100/1)
msbits : 16
buffer_size : 16384
period_size : 4096
period_time : 92879
tick_time : 10000
tstamp_mode : NONE
period_step : 1
sleep_min : 0
avail_min : 4096
xfer_align : 4096
start_threshold : 1
stop_threshold : 16384
silence_threshold: 0
silence_size : 0
boundary : 1073741824
Max peak (8192 samples): 10311 (0x2847) ####### 31%
Max peak (8192 samples): 10311 (0x2847) ####### 31%
[...]
It's ALSA 0.9.0rc3 and C-Media PCI CMI8738-MC6 (model 55) here.
Regards...
Michael
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