> > The AAC standard has been set since 1997. > > AAC+SBR has been around since 1997!? OK, didn't think so :-)
I said AAC. SBR is just an extension, AAC is still the same. > Both AAC and Vorbis continue to evolve. Both have revved > spec in recent years. You can claim AAC has been around > since 1997, but the spiffy low bitrate AAC stuff available > today would not decode on an original 1997 AAC decoder any > more than a spiffy low-bitrate Vorbis would decode on a 1997 > Ogg decoder. Yes, the "old" AAC decoders do decode it, but not with the same output :) And an AAC file encoded now decodes on an AAC decoder from 1997, when the spec was set. (Ok, maybe except for a little typo fix in the standard, in a part that has never been used by any company). > I've reviewed this encoder and at 64kbps, it does indeed > sound better than current Vorbis (Vorbis still wins at higher > rates). No beating around the bush there. That said, it > wasn't as good as I was expecting; I thought Vorbis would > have to go through the next planned spec rev to catch up, but > after hearing AAC+SBR, I believe it's a matter of tuning in a > minor release. Next major Vorbis rev (V II) will just have > to be content at making it embarrassing is all ;-) Well, our codec's development hasn't stopped either :) > > The tech edge goes back and forth; Vorbis has held it over > AAC for the past few years. AAC has now leapfrogged.. well, > at low bitrate anyway. AAC is still unspectacular without > SBR. Vorbis will leapfrog at low bitrate again and I'll try > to keep our fanboys from getting too out of hand when that > happens. But make no mistake; Vorbis is taking AAC and MPEG > head on, and we're in this race for the long haul. True, and competetion is never a bad thing :) I'll be waiting for your minor release. I think the quality of Vorbis and AAC at higher bitrates is not that far apart. Actually, I think lots of people will claim AAC is better than Vorbis at those bitrates (probably just as much as the number of people that claim the other way around). > > > The MPEG-4 file format supports multiple tracks as well. > Next to that > > AAC has proper multichannel support. > > Rebutted this dig in a seperate mail. > Ok, I may have been misinformed there :) Sorry. Menno _______________________________________________ mp3encoder mailing list [EMAIL PROTECTED] http://minnie.tuhs.org/mailman/listinfo/mp3encoder
