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MathGroup Archive 2004

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Re: .WAV file headers

  • To: mathgroup at smc.vnet.net
  • Subject: [mg52612] Re: [mg52567] .WAV file headers
  • From: Yasvir Tesiram <yat at omrf.ouhsc.edu>
  • Date: Sat, 4 Dec 2004 04:07:51 -0500 (EST)
  • References: <200412020721.CAA05830@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Hi,
Without going into any detail, in Versions 5.0.1 and less you can use 
Experimental`BinaryImport.
So load the Experimental package:

<<Experimental`

and then use BinaryImport. You obviously know the header structure and 
so you can select how bytes are read in at a time and where from.

In V5.1 this has changed and you can use BinaryRead to read in specific 
chunks.

Cheers
Yas


On Dec 2, 2004, at 1:21 AM, John Reed wrote:

> Is there a way to extract the information from wave file headers in
> Mathematica?  The header is the first 11 words of the wave file and 
> consists
> of 4 byte ASCII words and 4 byte integers encoded as ASCII strings.  I 
> need
> the integers from header words 7 (samples/second), 9 (two 2 byte words,
> bytes/sample and bits/sample) , and 11 (number of bytes in the file).
>
> John Reed


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