Re: [LAU] Strange sound file

From: Eugen Dedu <Eugen.Dedu@email-addr-hidden-pm.univ-fcomte.fr>
Date: Tue Aug 25 2009 - 11:35:05 EEST

M.H. ten Berge wrote:
> Dan S wrote:
>> Hi -
>>
>> If you look at the two outputs below you'll see that newmessage.wav
>> has some extra info embedded in it - possibly newmessage.wav is
>> actually a BWF-format file?
>> http://en.wikipedia.org/wiki/Broadcast_Wave_Format
>>
>> Dan
>>
>>
>> sndfile-info *.wav
>> Version : libsndfile-1.0.19
>> ========================================
>> File : newmessage.wav
>> Length : 23994
>> RIFF : 23986
>> WAVE
>> fmt : 16
>> Format : 0x1 => WAVE_FORMAT_PCM
>> Channels : 2
>> Sample Rate : 44100
>> Block Align : 4
>> Bit Width : 16
>> Bytes/sec : 176400
>> data : 23868
>> LIST : 74
>> INFO
>> ISFT : Sonic Foundry Sound Forge 6.0
>> IENG :
>> ICRD : 2005-05-16
>> End
>>
>> ----------------------------------------
>> Sample Rate : 44100
>> Frames : 5967
>> Channels : 2
>> Format : 0x00010002
>> Sections : 1
>> Seekable : TRUE
>> Duration : 00:00:00.135
>> Signal Max : 32768 (0.00 dB)
>>
>> ========================================
>> File : voicemail.wav
>> Length : 57536
>> RIFF : 57528
>> WAVE
>> fmt : 16
>> Format : 0x1 => WAVE_FORMAT_PCM
>> Channels : 1
>> Sample Rate : 44100
>> Block Align : 2
>> Bit Width : 16
>> Bytes/sec : 88200
>> data : 57492
>> End
>>
>> ----------------------------------------
>> Sample Rate : 44100
>> Frames : 28746
>> Channels : 1
>> Format : 0x00010002
>> Sections : 1
>> Seekable : TRUE
>> Duration : 00:00:00.652
>> Signal Max : 32768 (0.00 dB)
>>
>> ========================================
>> Total Duration : 00:00:00.787
>>
>>
>>
>
> But apart from the advanced metadata, there's a much more fundamental
> difference: the first file listed above is stereo, the second is mono...

The problem is that ring.wav (the same directory,
http://git.gnome.org/cgit/ekiga/tree/sounds) is also stereo, same sample
rate, and it works without problem.

-- 
Eugen
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Received on Tue Aug 25 12:15:02 2009

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