Technique DCOffsetType Document ISO/IEC WD 15938-4 Name Joerg Bitzer, Stefan Kudras, Houpert Digital Audio, Germany EMail j.bitzer@hda.de Type low-level audio descriptor extraction tool External Libraries -- Related Ds/DSs -- Used Ds/DSs -- Input samples of a Wav file Extraction Yes Client Appl NA Summary This component is the DCOffset descriptor extraction tool Strong Points -- Limitations -- Known Problems -- Parameters auData : 2D matrix : audiostream, N channels in columns channels : vector : channels to analyze (if empty all channels are used) szXMLout (optional) : string : name of output XML-file. if not given no XML-output Output DCOffset : vector : vector of length N containing the values of the DCOffset with: N = number of channels Usage 1. run matlab 2. change the working directory to the directory containing the function 3. call the function 'DCOffsetD' with the required parameters Function call example >> [DCOffset] = DCOffsetD(data,44100,[1 2],'DCOffset.xml');