problems converting MP3s to WAVs

Klaus-Peter Schrage kpschrage
Thu May 26 11:28:29 PDT 2005


Condon Thomas A KPWA wrote:
> Lonnie,
> 
> 
>>>>Amazingly, k3b worked.  Unfortunately, I can't find anyplace
>>>>that it shows
>>>>me what command it used to encode the wav's.  The debug
>>>>output starts with
>>>>the cdrecord command, which isn't the problem.
>>>
>>>Could you rename the executable, then create a shell script 
>>
>>that will save
>>
>>>it's calling parameters into a file and then call the newly renamed
>>>executable?
>>
>>I'm afraid i don't understand what you're askking me to do.  
>>k3b doesn't
>>dump anything useful to std.out, so how would runing it from a shell
>>script capture anything?
> 
> 
> I think I misunderstood what the problem was and didn't clearly explain my
> suggestion.  I thought k3b was calling a conversion application, but not
> giving you the command it used for that.  If you knew the application it was
> using, then *that* would be the executable to wrap in the shell script to
> capture the command options.  Re-reading, though, it looks like k3b is doing
> the conversion itself, or if calling an application to convert then that app
> is unknown.

Doing
	rpm -q --requires k3b-mp3
	rpm -q --requires k3b
(on a redhat system) suggests that k3b uses libmad to do the mp3->wav 
conversion and libsamplerate to give the wav file the proper sample rate 
(44.1 kHz) when neccessary.
Klaus


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