Re: [ecasound] Selecting a portion of output

Hi Rocco,

Thanks for the quick reply. This should do the trick for selecting a
portion of the final output once generated. It may be more efficient
if there is a way to do this for mixing - ie. in a command where a few
files are specified to be mixed, it only outputs the specific
portion. I'm not sure this would be any more efficient than simply
running this command on the output, since it would probably have to
run through from start to end doing the mixing to determine the output.

One example would be wanting to output only seconds 10-15 (say) of the
final output of:

ecasound -a:1 -i:Birthday1/malemain.wav -a:2 -
i:Birthday1/1aged1moreyear.ewf -a:3 -i:Birthday1/2veryold.ewf -a:1,2,3
-o previews/128.mp3 -t:75

The -t:75 gives the first 75 seconds only, whereas it would be nice to
specify an offset or range instead. I'll have a play with the command
and see what I can do, if you have any ideas let me know?

Thanks again,
Brian

On 10-Feb-10, at 9:56 PM, Linux Media wrote:

>> I'm looking to get a clip of the output instead of the whole thing.
>> I'm already using the -t switch to get the first few seconds of
>> output
>> as a preview, but is it possible to set a start time also? (ie. if I
>> wanted to only get from the 10 second point to the 15 second point)
>>
>> Any help would be greatly appreciated.
>>
>> Regards,
>> Brian
>
> ecasound -i:select,10,5,In.wav -o:out.wav
>
> You may also need to set the file attributes with the -f switch. For
> instance...
>
> ecasound -i:select,10,5,In.wav -f:16,1,48000 -o:out.wav
>
> This would indicate that you want 'out.wav' to be a 16 bit, one
> channel
> file sampled at 48000. If your input file is actually a wav file, then
> attributes will already be set because of good header info in the wav
> file. If not, then you may need to also set the file attributes just
> in
> front of the input file.
>
> See 'man ecasound' for further explaination.
>
> Hope this helps,
> Rocco
>
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Received on Fri Feb 12 08:15:02 2010