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Top Forums UNIX for Dummies Questions & Answers Extracting audio samples from raw file Post 302131586 by sarvagya on Sunday 12th of August 2007 04:18:53 PM
Old 08-12-2007
Extracting audio samples from raw file

Is there any way for me to read a raw audio file and save the samples data to a text file for further use in waveform generation?
 

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AuElement(3)						     Library Functions Manual						      AuElement(3)

Name
       AuElement - AuElement union

Structures
       #include <audio/audiolib.h>

       typedef union _AuElement
       {
	   unsigned short type;
	   AuElementImportClient importclient;
	   AuElementImportDevice importdevice;
	   AuElementImportBucket importbucket;
	   AuElementImportWaveForm importwaveform;
	   AuElementBundle bundle;
	   AuElementMultiplyConstant multiplyconstant;
	   AuElementAddConstant addconstant;
	   AuElementSum sum;
	   AuElementExportClient exportclient;
	   AuElementExportDevice exportdevice;
	   AuElementExportBucket exportbucket;
	   AuElementExportMonitor exportmonitor;
       }AuElement;

Members
       type	 Specifies  the  element type.	Currently, one of these constants: AuElementTypeAddConstant, AuElementTypeBundle, AuElementTypeEx-
		 portBucket, AuElementTypeExportClient, AuElementTypeExportDevice, AuElementTypeExportMonitor,	AuElementTypeImportClient,  AuEle-
		 mentTypeImportDevice, AuElementTypeImportBucket, AuElementTypeImportWaveForm, AuElementTypeMultiplyConstant, or AuElementTypeSum.

       importclient
		 Used to read audio data from a client application.

       importdevice
		 Used to read audio data from a device.

       importbucket
		 Used to read audio data from a bucket.

       importwaveform
		 Used to read audio data from a waveform generator.

       bundle	 Used to access tracks in audio data.

       multiplyconstant
		 Used to scale the value of samples in audio data.

       addconstant
		 Used to offset the value of samples in audio data.

       sum	 Used to merge together samples from different inputs.

       exportclient
		 Used to write audio data to a client application.

       exportdevice
		 Used to write audio data to a device.

       exportbucket
		 Used to write audio data to a bucket.

       exportmonitor
		 Used to write monitor data to a client application.

Description
       Elements are instructions to the server on how to handle the audio data in a flow.

See Also
       AuMakeElementAddConstant,  AuMakeElementBundle, AuMakeElementImportClient, AuMakeElementImportDevice, AuMakeElementImportBucket, AuMakeEle-
       mentImportWaveForm, AuMakeElementExportClient, AuMakeElementExportDevice, AuMakeElementExportBucket, AuMakeElementExportMonitor, AuMakeEle-
       mentMultiplyConstant, AuMakeElementSum, AuReadElement, AuSetElements, AuSetElementParameters, AuWriteElement.

       audiolib - Network Audio System C Language Interface

audiolib - element union					       1.9.3							      AuElement(3)
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