[LAU] Ardour 4 audio export FLAC questions

[hollundertee at gmx.net]

On Sun, 11 Sep 2016 11:48:51 +0200
Alf Haakon Lund <alf at mellomrommet.no> wrote:

> Hello list,
> 
> My googling did not provide me with sufficient answers, so I'm
> directing my questions here ;-)
> 
> I made a 1 hour long project in Ardour that exports as a 635 MB
> wav-file.
> 
>  From Ardour the same project exports as a 566 MB FLAC file. However,
> if instead I use SoundConverter to convert the WAV to FLAC, the
> resulting file is 269 MB.
> 
> Since both are FLAC I'd expect them to yield the same playback
> (though after finding a report at hificritic [1], I wonder...)
> 
> Is there a way to check if those FLAC files are indeed 'audio
> identical'?
> 
> And, obviously - if the audio quality is indeed the same - I much
> prefer the smaller file. How can I tell Ardour to compress better?
> 
> Thankful for any and all input,
> Al F
> 
> 
> 1. http://www.hificritic.com/flac-wav-sound-quality-research.html
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You can compare the files by simply using diff. If they are different,
then your best bet to find out the differences is sndfile-info.

Regards,
Philipp