Technique	AUdioSpectrumCentroidType
Document	ISO/IEC WD 15938-4
Name		Melanie Jackson, Thibaut Sacreste University of Wollongong, Australia
EMail		tas48@uow.edu.au
Type		low-level audio descriptor extraction tool
External Libraries  	--
Related Ds/DSs	--
Used Ds/DSs	--
Input		Wav file
Extraction	Yes
Client Appl	NA
Summary		This component is the AudioSpectrumCentroid descriptor extraction tool
Strong Points 	--	
Limitations	Only process '.wav' and '.au' audio files.
		The whole audio file is processed
Known Problems 	--	
Parameters	audioFile : string : name of the audio file to process 
		hopSize : string : hopsize in the mpeg7 specified format
		writeXML : boolean : flag for the generation of the XML file
		XMLFile (optional) : string : name of the generated XML file
		
Output		AudioSpectrumCentroid : vector : vector of length N containing the values of the ASC with:
					     - N=number of audio frames
		XMLFile : string : name of the generated XML file

Usage		1. run matlab
		2. change the working directory to the directory containing the function
		3. call the function 'mpeg7ASC' with the required parameters

Function call example 

>> [AudioSpectrumCentroid, XMLFile] = AudioSpectrumCentroidD('test.wav','PT10N1000F',1,'ASC.xml')