SaveAudio Method

Creates an audio (wave) file from the channels in the waveform group.

Syntax

public void SaveAudio( 
   string fileName
)

'Declaration
 
Public Sub SaveAudio( _
   ByVal fileName As String _
)

'Usage
 
Dim instance As DicomWaveformGroup
Dim fileName As String
 
instance.SaveAudio(fileName)

public void SaveAudio( 
   string fileName
)

 function Leadtools.Dicom.DicomWaveformGroup.SaveAudio( 
   fileName 
)

public:
void SaveAudio( 
   String^ fileName
)

Remarks

This method is very useful for extracting audio (wave) data from a DICOM object of type "Basic Voice Audio" (1.2.840.10008.5.1.4.1.1.9.4.1), which is typically used for report dictation.
The resulting wave file has the following characteristics:
1. Number of channels: will either be 1 or 2, based on the value of the number of channels for this multiplex group. You can call ChannelCount to get the number of channels in a multiplex group.
2. Bits per sample (sample size) will always be 8.
3. Samples per second (sampling rate): This will be the same as the sampling frequency for the waveform group, call GetSamplingFrequency to get this value.
4. Format category: PCM, mu-Law or a-Law, based on the value of the waveform sample interpretation which can be retrieved by calling GetSampleInterpretation.

Example

For an example, refer to WaveformGroupCount.

Requirements