RE: [Swftools-common] wav2swf - popping noise

[Jerry Luna]

Ok, that explanation makes sense.  However I now seem to be running into
another issue.  When compiling wav2swf, i don't seem to be getting
stereo output on the audio.  It always seems to be mono.



> -----Original Message-----
> From: 
> address@hidden 
> [mailto:address@hidden
> .org] On Behalf Of Matthias Kramm
> Sent: Sunday, March 21, 2004 10:47 AM
> To: address@hidden
> Subject: Re: [Swftools-common] wav2swf - popping noise
> 
> 
> On Fri, Mar 19, 2004 at 03:30:51PM -0500, Jerry Luna wrote:
> > the loop is here:
> > 
> > http://www.jalapeno.org/download/av3d_loop10.wav
> > 
> > 
> > and im using:
> > 
> > wav2swf -s44100 -b64 -d -l100 -S av3d_loop10.wav -o av3d_loop10.swf
> > 
> > thanks for any insight.
> 
> SWF uses MP3 compression, which stores it's data into blocks 
> of 1152 samples each. As the number of samples in 
> av3d_loop10.wav is not a multiple of 1152, the data is padded 
> with 540 zero bytes of silence- I believe the "pop" you hear 
> is due to that padding. You could try to convert the WAV file 
> so that the number of samples is a multiple of 1152- maybe 
> sox or similar utilities are able to do that.
> 
> Greetings
> 
> Matthias
>  
> 
> 
> 
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