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Article #2159

Re: Format of .AU Sound files

#2159
From: Jeff Correia
Date: Mon, 04 Jan 1993 18:12
23 lines
1537 bytes
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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Message-ID: <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.org
References: <1992Dec30.201851.45991@kuhub.cc.ukans.edu>

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From: m22257@mitre.org (Jeff Correia)
Subject: Re: Format of .AU Sound files
Message-ID: <1993Jan4.181259.27617@linus.mitre.org>
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References: <1992Dec30.201851.45991@kuhub.cc.ukans.edu>
Date: Mon, 4 Jan 1993 18:12:59 GMT
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