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Attack of the Ogg Vorbis

By Chris Williams. Published: 21st Jul 2002, 10:05:05 | Permalink | Printable

It sounds like an invading alien force but in actual fact it's a growing music file format. And RISC OS has it.

Ogg Vorbis is a music file format that allows you to store compressed audio as files on your hard disc for playback, just like MP3s. However unlike MP3s, Vorbis is able to compress music without losing too much sound quality and is unpatented and open. More importantly, it looks as though Vorbis is expected to replace MP3s, this editor refers you to an article on The Register for further details.

Therefore it would be nice if RISC OS wasn't left behind again on another media file format and Dave Ward feels the same.

"I have ported a set of Vorbis ogg file tools", explains Dave in his announcement, "these include integer based decoder, floating point based decoder, encoder, comment editor and file information displayer. The decoders and encoder convert to and from other file formats so in the case of the decoder a second stage is required before they can be played."

This means for now, you can take Vorbis music files and convert them into another file format that your RISC OS computer can play. For StrongARM users, decoding is faster than real time so you can decode Vorbis files on the fly and stream this output to a separate player play the converted music.

Well done Dave.

Links


Ogg Vorbis for RISC OS. You're asked to drop Dave an email if you find the tools useful. Ogg Vorbis website

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