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Article #2159Re: Format of .AU Sound files
From: Jeff Correia
Date: Mon, 04 Jan 1993 18:12
Date: Mon, 04 Jan 1993 18:12
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In article <1992Dec30.201851.45991@kuhub.cc.ukans.edu>, christos@kuhub.cc.ukans.edu writes: > > Hello there, > > I am using the Public Domain program Sound Tools on the Sun station to record > speech. The speech samples are saved in a mu-law 8bits/sample encoding rule with a > standard ".au" header precceding the data. What I would like to know is what the > format of the speech samples is? In other words, I am reading the bytes that > correspond to 8-bit speech samples but I don't know whether they are in signed > binary format(2's complement) or unsigned binary format or anyother format. I have > tried both binary signed (2' complement) and unsigned but it doesn't work. Does > anybody know how the samples are stored? > > I would appreciate any relevant response. > > Furthermore, in the sounds given in the /usr/demo/SOUND/sounds directory... 1. At what sampling rate were these sounds sampled? 2. Is there any header information in these files and if there is, what is it's format? Jeff
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<1993Jan4.181259.27617@linus.mitre.org>Path:
arc1-ca.pugleaf.net!sparky!uunet!zaphod.mps.ohio-state.edu!saimiri.primate.wisc.edu!ames!agate!linus!linus.mitre.org!m22257@mitre.orgReferences:
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Newsgroups: comp.dsp Path: arc1-ca.pugleaf.net!sparky!uunet!zaphod.mps.ohio-state.edu!saimiri.primate.wisc.edu!ames!agate!linus!linus.mitre.org!m22257@mitre.org From: m22257@mitre.org (Jeff Correia) Subject: Re: Format of .AU Sound files Message-ID: <1993Jan4.181259.27617@linus.mitre.org> Sender: news@linus.mitre.org (NONUSER) Nntp-Posting-Host: jeff-correia.mitre.org Organization: The MITRE Corporation References: <1992Dec30.201851.45991@kuhub.cc.ukans.edu> Date: Mon, 4 Jan 1993 18:12:59 GMT Lines: 23