On Fri, 2006-10-13 at 19:05 -0400, Nathan A. Smith wrote:
> On Fri, 2006-10-13 at 18:50 -0400, Gordon McLellan wrote:
> > just to chime in ... I have a similar pioneer
> >
> > look on your display, where the little digital / analog display box
> > is. when receiving a encoded pcm bitstream, the display will show:
> >
> > DOLBY
> > DIGITAL
> >
> > or
> >
> > DIGITAL
> > DTS
> >
> > depending on the encoding used... when a normal non-encoded pcm is
> > received the indicator will just read DIGITAL
>
> Thanks Gordon...
>
> I am not getting AC3 info to my receiver... I have never seen either of
> those on my display :{
>
> Nasa
BTW: using files from
http://www.sr.se/cgi-bin/mall/index.asp?programid=2445
I ran "aplay -v ..." and got the following,
aplay -v SURROUNDTEST_DD_640.wav
Playing WAVE 'SURROUNDTEST_DD_640.wav' : Signed 16 bit Little Endian,
Rate 44100 Hz, Stereo
Plug PCM: Rate conversion PCM (48000, sformat=S16_LE)
Its setup is:
stream : PLAYBACK
access : RW_INTERLEAVED
format : S16_LE
subformat : STD
channels : 2
rate : 44100
exact rate : 44100 (44100/1)
msbits : 16
buffer_size : 15052
period_size : 940
period_time : 21333
tick_time : 0
tstamp_mode : NONE
period_step : 1
sleep_min : 0
avail_min : 940
xfer_align : 940
start_threshold : 15040
stop_threshold : 15052
silence_threshold: 0
silence_size : 0
boundary : 986447872
Slave: Soft volume PCM
Control: PCM Playback Volume
min_dB: -51
resolution: 256
Its setup is:
stream : PLAYBACK
access : MMAP_INTERLEAVED
format : S16_LE
subformat : STD
channels : 2
rate : 48000
exact rate : 48000 (48000/1)
msbits : 16
buffer_size : 16384
period_size : 1024
period_time : 21333
tick_time : 0
tstamp_mode : NONE
period_step : 1
sleep_min : 0
avail_min : 1024
xfer_align : 1024
start_threshold : 16384
stop_threshold : 16384
silence_threshold: 0
silence_size : 0
boundary : 1073741824
Slave: Direct Stream Mixing PCM
Its setup is:
stream : PLAYBACK
access : MMAP_INTERLEAVED
format : S16_LE
subformat : STD
channels : 2
rate : 48000
exact rate : 48000 (48000/1)
msbits : 16
buffer_size : 16384
period_size : 1024
period_time : 21333
tick_time : 0
tstamp_mode : NONE
period_step : 1
sleep_min : 0
avail_min : 1024
xfer_align : 1024
start_threshold : 16384
stop_threshold : 16384
silence_threshold: 0
silence_size : 0
boundary : 1073741824
Hardware PCM card 0 'HDA NVidia' device 0 subdevice 0
Its setup is:
stream : PLAYBACK
access : MMAP_INTERLEAVED
format : S16_LE
subformat : STD
channels : 2
rate : 48000
exact rate : 48000 (48000/1)
msbits : 16
buffer_size : 16384
period_size : 1024
period_time : 21333
tick_time : 4000
tstamp_mode : NONE
period_step : 1
sleep_min : 0
avail_min : 1024
xfer_align : 1024
start_threshold : 1
stop_threshold : 1073741824
silence_threshold: 0
silence_size : 1073741824
boundary : 1073741824
>From looking at this aplay played this files as stereo (2 channel) --
which doesn't seem right. Why would it do that?
It has a slightly different output when I do the following:
aplay -v -Dplug:iec958 SURROUNDTEST_011212.wav
Playing WAVE 'SURROUNDTEST_011212.wav' : Signed 16 bit Little Endian,
Rate 44100 Hz, Stereo
Plug PCM: Hooks PCM
Its setup is:
stream : PLAYBACK
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 : 4000
tstamp_mode : NONE
period_step : 1
sleep_min : 0
avail_min : 4096
xfer_align : 4096
start_threshold : 16384
stop_threshold : 16384
silence_threshold: 0
silence_size : 0
boundary : 1073741824
Slave: Hardware PCM card 0 'HDA NVidia' device 1 subdevice 0
Its setup is:
stream : PLAYBACK
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 : 4000
tstamp_mode : NONE
period_step : 1
sleep_min : 0
avail_min : 4096
xfer_align : 4096
start_threshold : 16384
stop_threshold : 16384
silence_threshold: 0
silence_size : 0
boundary : 107374182
notice the different rates....
Any ideas?
Nasa
>
> > gordon
> >
> > On 10/13/06, Nathan A. Smith <nasa01@xxxxxxxxxxx> wrote:
> > > On Fri, 2006-10-13 at 17:57 -0400, Lee Revell wrote:
> > > > On Fri, 2006-10-13 at 17:39 -0400, Nathan A. Smith wrote:
> > > > > > Does the receiver indicate an AC3 signal rather than standard PCM?
> > > > > No, nothing visibile on my receiver.
> > > >
> > > > Do you mean the receiver has no way to display whether it's receiving
> > > > PCM or AC3, or that the indicator is not active?
> > > >
> >
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>
> -------------------------------------------------------------------------
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-------------------------------------------------------------------------
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Get stuff done quickly with pre-integrated technology to make your job easier
Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
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