It was meant as evidence that good Vorbis is indistinguishable from FLAC, but indeed the author mentions two good reasons for using FLAC. I'm not sure they appl

It was meant as evidence that good Vorbis is indistinguishable from FLAC, but indeed the author mentions two good reasons for using FLAC. I'm not sure they apply to Lib-Ray since video will be lossy anyway, but here's what the author says on FLAC: It's true enough that a properly encoded Ogg file (or MP3, or AAC file) will be indistinguishable from the original at a moderate bitrate. But what of badly encoded files? [...] Lossless formats like FLAC avoid any possibility of damaging audio fidelity [23] with a poor quality lossy encoder, or even by a good lossy encoder used incorrectly. A second reason to distribute lossless formats is to avoid generational loss. Each reencode or transcode loses more data; even if the first encoding is transparent, it's very possible the second will have audible artifacts. This matters to anyone who might want to remix or sample from downloads. It especially matters to us codec researchers; we need clean audio to work with.