File length

[Ira R]

Hi,

Great project, thank you so much for open sourcing it! 

It looks like output file length is proportional to strength. Curious why?

Thanks,

Ira

[Stefan Westerfeld]

Hi!

Am 20.03.22 um 02:32 schrieb Ira R:

> Great project, thank you so much for open sourcing it!
>
> It looks like output file length is proportional to strength. Curious why?

No, the strength should not affect the output file length at all. To be
more precise, the output file should have the same number of channels,
number of samples and bit depth, no matter what strength is used. These
should be identical to the input file. The output file format is always
an uncompressed wav file.

Cu... Stefan
--
Stefan Westerfeld, http://space.twc.de/~stefan

[Irina R]

Oh, sorry, false alarm. The output files are all the same size.

My use case is, I have a 5M .ogg file. The watermarked file is 61M. How do I convert it back to a 5M .ogg file, preferably streaming? Please bear with me, I am new to audo.

[Stefan Westerfeld]

Hi!

Typically you need to use oggenc after watermarking, either in two steps
like this:

$ audiowmark add in.ogg out.wav f0
$ oggenc -q 8 out.wav

which will write out.ogg with quality 8, or streaming like this

$ audiowmark add in.ogg - f0 | oggenc -q 8 - > out.ogg

Cu... Stefan

Am 25.03.22 um 23:04 schrieb Irina R:

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