On Sun, 2004-04-25 at 19:23, J. Antas wrote: > Speex 1.1.5 Unstable > by Jean-Marc Valin (http://freshmeat.net/~jmvalin/) > Wednesday, April 21st 2004 20:40 > > > About: > Speex is a patent-free compression format designed especially for speech. > It is specialized for voice communications at low bit-rates in the 2-45 > kbps range. Possible applications include Voice over IP (VoIP), Internet > audio streaming, audio books, and archiving of speech data (e.g. voice > mail).
We have used this to record seminars on a laptop (using a sensitive, battery-powered electret omnidirectional microphone so thatr questions from teh audience can be picked up). It works well, and the degree of compression is amazing: we got about 12MB (hard to believe but true) for a 60 minute seminar, everything crystal-clear. The only draw-back is that the speex codecs are needed to listen to the file, and people hate the hassle of having to install these. Low bandwidth mono MP3 format is much less efficient than speex, but end users of the files usually can play them immediately without extra software. But is that is not a problem, speex is great. -- Tim C PGP/GnuPG Key 1024D/EAF993D0 available from keyservers everywhere or at http://members.optushome.com.au/tchur/pubkey.asc Key fingerprint = 8C22 BF76 33BA B3B5 1D5B EB37 7891 46A9 EAF9 93D0
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