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<div class="moz-cite-prefix">On 12/08/2016 03:48 PM, Stefan Sauer
wrote:<br>
</div>
<blockquote
cite="mid:90066c93-6746-9c2d-66b2-bf6bf6004950@hora-obscura.de"
type="cite">
<meta content="text/html; charset=utf-8" http-equiv="Content-Type">
<div class="moz-cite-prefix">On 12/08/2016 03:12 PM, Stefan Sauer
wrote:<br>
</div>
<blockquote
cite="mid:cebaa33f-f8aa-54b0-79eb-5516514080d2@hora-obscura.de"
type="cite">
<meta content="text/html; charset=utf-8"
http-equiv="Content-Type">
<div class="moz-cite-prefix">On 12/05/2016 05:26 PM, Walter
Lucetti wrote:<br>
</div>
<blockquote
cite="mid:CAN2Z0Tcbew_z3x0AWV=5SWnEf4HhZ1VgkyOp=FTfw6aLTo1oeA@mail.gmail.com"
type="cite">
<div dir="ltr">Hi Stefan,
<div><br>
</div>
<div>the file is generated by a text-to-speech application
and on VLC the properties are correct:<br>
PCM S16LE<br>
Mono<br>
22050Hz<br>
16 bit<br>
<br>
You can check it downloading from here:<br>
<a moz-do-not-send="true"
href="https://www.dropbox.com/s/j68n82e04j4ljjy/00000002.wav?dl=0">https://www.dropbox.com/s/j68n82e04j4ljjy/00000002.wav?dl=0</a><br>
</div>
<div><br>
</div>
<div>Thank you for your help</div>
<div>Walter</div>
<div><br>
</div>
</div>
</blockquote>
I can confirm, that the file is not handled porperly and sounds
distorted. Will fix it.<br>
<br>
Stefan<br>
</blockquote>
Actually the file is broken. These are the header parameters:<br>
blockalign = 1<br>
width = 8<br>
depth = 16<br>
av_bps = 22050<br>
frequency = 22050<br>
channels = 1<br>
bytes_per_sample = 1<br>
bps = 22050<br>
caps = audio/x-raw, format=(string)U8, layout=(string)interleaved,
channels=(int)1, rate=(int)22050<br>
</blockquote>
<br>
Oh, and also the avg_bps is wrong. Needs to be 44100 for 16bit.<br>
<br>
Stefan<br>
<br>
<blockquote
cite="mid:90066c93-6746-9c2d-66b2-bf6bf6004950@hora-obscura.de"
type="cite"> <br>
From various places you can check the wav format spec:<br>
<a moz-do-not-send="true" class="moz-txt-link-freetext"
href="http://soundfile.sapp.org/doc/WaveFormat/">http://soundfile.sapp.org/doc/WaveFormat/</a><br>
<meta http-equiv="content-type" content="text/html; charset=utf-8">
BlockAlign == NumChannels * BitsPerSample/8<br>
The number of bytes for one sample
including<br>
all channels.<br>
<br>
The issue is that blockalign=1, but for 16bit, it must be >= 2.
We can probably add a workaround, not sure what others think. If
you can please also report to the software that created the file.<br>
<br>
Stefan <br>
<br>
<blockquote
cite="mid:cebaa33f-f8aa-54b0-79eb-5516514080d2@hora-obscura.de"
type="cite"> <br>
<blockquote
cite="mid:CAN2Z0Tcbew_z3x0AWV=5SWnEf4HhZ1VgkyOp=FTfw6aLTo1oeA@mail.gmail.com"
type="cite">
<div class="gmail_extra"><br>
<div class="gmail_quote">2016-12-05 16:58 GMT+01:00 Stefan
Sauer <span dir="ltr"><<a moz-do-not-send="true"
href="mailto:ensonic@hora-obscura.de" target="_blank">ensonic@hora-obscura.de</a>></span>:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000">
<div class="m_-5761324951495532258moz-cite-prefix">On
12/05/2016 02:53 PM, Walter Lucetti wrote:<br>
</div>
<blockquote type="cite">
<div dir="ltr">Hi all,
<div><br>
</div>
<div>I have a problem with GStreamer 1.9.90 and a
16bit PCM mono channel wave file to be played.</div>
<div><br>
</div>
<div>I'm using this very simple pipeline that
works very well with 8bit file:</div>
<div><br>
</div>
<div>gst-launch-1.0.exe filesrc
location="C:/Users/walter/<wbr>Desktop/00000002.wav"
! decodebin ! audioresample ! audioconvert !
autoaudiosink -v -e</div>
<div><br>
</div>
<div>With 16 bit file (S16LE to be precise) the
output is a long noise.</div>
<div><br>
</div>
<div>this is the output I obtain with "-v"
option... I notice that recognized format il
"8U", but I'm not able to force it to 16bit
anyway:</div>
<div><br>
</div>
<div>
<div><font face="monospace, monospace">Pipeline
is PREROLLING ...</font></div>
<div><font face="monospace, monospace">/GstPipeline:pipeline0/<wbr>GstDecodeBin:decodebin0/<wbr>GstTypeFindElement:typefind.<wbr>GstPad:src:
caps = audio/x-wav</font></div>
<div><font face="monospace, monospace">/GstPipeline:pipeline0/<wbr>GstDecodeBin:decodebin0/<wbr>GstTypeFindElement:typefind.<wbr>GstPad:src:
caps = NULL</font></div>
<div><font face="monospace, monospace">/GstPipeline:pipeline0/<wbr>GstDecodeBin:decodebin0/<wbr>GstWavParse:wavparse0.GstPad:<wbr>src:
caps = audio/x-raw, format=(string)U8,
layout=(string)interleaved, channels=(int)1,
rate=(int)22050</font></div>
</div>
</div>
</blockquote>
<br>
Are you sure the 16bit wav file is well formed?
According to the output gstreamer plays it as 8bit,
which explains the noise. Can you share this file?<br>
<br>
Stefan<br>
<br>
<blockquote type="cite">
<div dir="ltr">
<div>
<div><font face="monospace, monospace">/GstPipeline:pipeline0/<wbr>GstAudioResample:<wbr>audioresample0.GstPad:src:
caps = audio/x-raw, format=(string)U8,
layout=(string)interleaved, channels=(int)1,
rate=(int)22050</font></div>
<div><font face="monospace, monospace">/GstPipeline:pipeline0/<wbr>GstAudioConvert:audioconvert0.<wbr>GstPad:src:
caps = audio/x-raw, format=(string)U8,
layout=(string)interleaved, channels=(int)1,
rate=(int)22050</font></div>
<div><font face="monospace, monospace">/GstPipeline:pipeline0/<wbr>GstAutoAudioSink:<wbr>autoaudiosink0.GstGhostPad:<wbr>sink.GstProxyPad:proxypad1:
caps = audio/x-raw, format=(string)U8,
layout=(string)interleaved, channels=(int)1,
rate=(int)22050</font></div>
<div><font face="monospace, monospace">Redistribute
latency...</font></div>
<div><font face="monospace, monospace">/GstPipeline:pipeline0/<wbr>GstAutoAudioSink:<wbr>autoaudiosink0/<wbr>GstDirectSoundSink:<wbr>autoaudiosink0-actual-sink-<wbr>directsound.GstPad:sink:
caps = audio/x-raw, format=(string)U8,
layout=(string)interleaved, channels=(int)1,
rate=(int)22050</font></div>
<div><font face="monospace, monospace">/GstPipeline:pipeline0/<wbr>GstAutoAudioSink:<wbr>autoaudiosink0.GstGhostPad:<wbr>sink:
caps = audio/x-raw, format=(string)U8,
layout=(string)interleaved, channels=(int)1,
rate=(int)22050</font></div>
<div><font face="monospace, monospace">/GstPipeline:pipeline0/<wbr>GstAudioConvert:audioconvert0.<wbr>GstPad:sink:
caps = audio/x-raw, format=(string)U8,
layout=(string)interleaved, channels=(int)1,
rate=(int)22050</font></div>
<div><font face="monospace, monospace">/GstPipeline:pipeline0/<wbr>GstAudioResample:<wbr>audioresample0.GstPad:sink:
caps = audio/x-raw, format=(string)U8,
layout=(string)interleaved, channels=(int)1,
rate=(int)22050</font></div>
<div><font face="monospace, monospace">/GstPipeline:pipeline0/<wbr>GstDecodeBin:decodebin0.<wbr>GstDecodePad:src_0.<wbr>GstProxyPad:proxypad2:
caps = audio/x-raw, format=(string)U8,
layout=(string)interleaved, channels=(int)1,
rate=(int)22050</font></div>
<div><font face="monospace, monospace">Pipeline
is PREROLLED ...</font></div>
<div><font face="monospace, monospace">Setting
pipeline to PLAYING ...</font></div>
<div><font face="monospace, monospace">New
clock: GstAudioSinkClock</font></div>
<div><font face="monospace, monospace">handling
interrupt.</font></div>
<div><font face="monospace, monospace">Interrupt:
Stopping pipeline ...</font></div>
<div><font face="monospace, monospace">EOS on
shutdown enabled -- Forcing EOS on the
pipeline</font></div>
<div><font face="monospace, monospace">Waiting
for EOS...</font></div>
<div><font face="monospace, monospace">Got EOS
from element "pipeline0".</font></div>
<div><font face="monospace, monospace">EOS
received - stopping pipeline...</font></div>
<div><font face="monospace, monospace">Execution
ended after 0:00:03.745515003</font></div>
<div><font face="monospace, monospace">Setting
pipeline to PAUSED ...</font></div>
<div><font face="monospace, monospace">Setting
pipeline to READY ...</font></div>
<div><font face="monospace, monospace">Setting
pipeline to NULL ...</font></div>
<div><font face="monospace, monospace">Freeing
pipeline ...</font></div>
<br>
<br clear="all">
<div>Thank you for help</div>
<div>Walter</div>
<div><br>
</div>
-- <br>
<div
class="m_-5761324951495532258gmail_signature">
<div dir="ltr">
<div>
<div dir="ltr">
<div><b>Walter Lucetti</b><br>
<br>
email: <a moz-do-not-send="true"
href="mailto:myzhar@gmail.com"
target="_blank">myzhar@gmail.com</a><br>
web: <i><a moz-do-not-send="true"
href="http://www.robot-home.it/"
target="_blank">www.robot-home.it</a></i><br>
</div>
<div>project: <a moz-do-not-send="true"
href="http://myzharbot.robot-home.it" target="_blank">http://myzharbot.robot-home.<wbr>it</a></div>
<br>
</div>
</div>
</div>
</div>
</div>
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</blockquote></div>
<div>
</div>--
<div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><b>Walter Lucetti</b>
email: <a moz-do-not-send="true" href="mailto:myzhar@gmail.com" target="_blank">myzhar@gmail.com</a>
web: <i><a moz-do-not-send="true" href="http://www.robot-home.it/" target="_blank">www.robot-home.it</a></i>
</div><div>project: <a moz-do-not-send="true" href="http://myzharbot.robot-home.it" target="_blank">http://myzharbot.robot-home.it</a></div>
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