The Future of MP3 and Surround
An anonymous reader writes "Wired is running an article discussing the future of the MP3 format with the amount of competition out there, especially from the surround sound scene. Thompson, the entity that licenses the MP3 format, released the MP3 Surround format to try to combat this but will it be enough? From the article: 'It may seem as if the venerable MP3 standard is here to stay, but it faces attack from a number of angles. First, it doesn't sound as good, byte-for-byte, as files purchased from iTunes Music Store (in the AAC format) or any of the Microsoft-compliant stores. Second, the CD rippers/encoders that most people use -- iTunes and Windows Media Player -- have encouraged users to rip to AAC and WMA over the years. Third, only one major online music store, eMusic, proffers songs in the MP3 format, and it lacks most major releases. Fourth, geeks who love MP3 for its wide compatibility can now choose from preferable open-source alternatives such as Ogg Vorbis.'"
I think that open formats as ogg should have a better future if manufactures would offer more support to them. It's in our hand not to buy those gadgets that do not offer support to open formats.
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Although using MP3 is already pretty questionable, I could almost guarantee that using mm3-surround would start with me firmly in the sights of their patent lawyers. Thanks, but if I'm gonna go past MP3, I'd rather do it on an OGG base.
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"MP3 Surround files are essentially ordinary MP3s with an additional layer of information that tells compatible players where to place sounds. New devices designed to support the format deliver rich and accurate surround sound -- whether through a 5.1-channel system or simulated through a pair of stereo headphones. The format adds minimal overhead, consuming just 15 additional bits per second."
Surround with only 15 bits per second of data?
10 bucks says its just audio steering a'la Dolby Pro Logic
Higher number of channels. IIRC, Vorbis has a limit of 256 channels and FLAC has 8. If you need more channels, you can multiplex several Vorbis/FLAC streams in a single Ogg container file.
IMHO, one great thing about these formats is that they don't assume too much. Today's consumer level surround means 5.1 but these formats don't get stuck on it, they just give you channels without assigning them to anything particular (like front, rear, subwoofer). Therefore they can be used for future formats as well.
For a similar reason I encode everything to FLAC these days. It doesn't assume anything about psychoacoustics, which is different for each individual listener. Plus I'll probably have much better equipment and more experienced ears in the future.
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