[Flac-dev] Adding support for .w64 (wave64) format

Justin Frankel justin at cockos.com
Tue May 29 23:28:02 PDT 2007

Our DAW REAPER (www.reaper.fm) supports W64 as well. We'd be happy to
share our W64 reading/writing implementations if someone wishes to
integrate them into flac...


Chris Cantwell wrote:
> I use Sony (previously Sonic Foundry) Sound Forge, which allows me to 
> save audio files in .w64 (Wave 64) format to get around the 2GB .wav 
> file limitation.  W64 was invented by Sonic Foundry, and is an open 
> format as far as I know.  The only programs I know about using the 
> .w64 format at the moment are Sound Forge and Steinberg Nuendo, 
> although there may be others out there.  With increasing number of 
> tapers recording concerts in 24bit, which takes up 50% more disk space 
> than 16bit files at the same sample rate (about 1GB per hour), it is 
> easy to blow past 2GB for a single file, which is roughly 2 hrs of 
> audio.  Some audio editors will stop after the 2GB limit is reached, 
> or start recording a new file, but Sound Forge will keep on trucking 
> when recording in .w64 format.  I can see this format becoming more 
> popular in the future.  I can then edit the raw .w64 file in Sound 
> Forge and convert it to 16bit-44Khz for tracking/burning to a CD.  The 
> problem comes when I try to archive the raw audio .w64 files to DVD - 
> sometimes I need to compress them to make it fit.  Right now I have to 
> break a .w64 file up into 2 .wav files with Sound Forge, then compress 
> each .wav file individually with flac.  Or burn extra DVDs.
> So I would like to request adding .w64 support to flac.  It would make 
> archiving these files easier.
> Thanks,
> Chris
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