On Sun, 2 Mar 2014 03:38:07 +0000 Harry van Haaren <harryhaaren@xxxxxxxxx> wrote: > On Sun, Mar 2, 2014 at 2:43 AM, david <gnome@xxxxxxxxxxxxx> wrote: > > On 03/01/2014 08:51 AM, Harry van Haaren wrote: > >> I generally export to 32bit float .flac... so no dithering (or > >> burning to CD's :) > > Hmm, I thought FLAC only did 24-bit??? > I think the FLAC spec says it will handle anything from 4-32 > bit-depth: https://xiph.org/flac/faq.html#general__samples > That said, Audacity only has FLAC export options of 16 & 24 bit > depths. Ardour supports 8, 16 and 24. Still no 32 bit float support > (at application level). > > I should correct my previous statement though: I *thought* I exported > 32bit float: but it turns out they're 24bits (from Ardour3), > dithering set to None. And cropping the resulting output in Audacity > and exporting was to 16-bit PCM, so I was actually doing this all > wrong (no dithering, 32 -> 24 -> 16). > > A better workflow would be to: > A) Ardour export 32 bit float -> 16bit (with dither) -> Audacity > 16bit in, crop, 16bit out > B) Ardour export 32 bit -> 24 bit (no dither) -> Audacity 24bit in, > crop, export 16bit (with dither). > > The important part being to not dither twice, since then you'll be > adding noise to the signal twice! > > I'll be using option A above from now on I think, since it involves > less bit-depth changes. > Living and learning :) -Harry One of FLACs competitors does 32bit float since many years: wavpack. I'm not quite sure why it is much less popular than FLAC. Regards, Philipp -- JID: murks@xxxxxx _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user
