Classes > WaveformAnalyzer class > Methods > WaveformAnalyzer.GetMinMaxPeakLevelsForRange method

Remarks

Obtains the minimum and maximum peak levels inside a range of the recorded sound.

For details about the use of the Waveform Analyzer refer to the How to use the Waveform Analyzer section.

For further details about methods of the Waveform Analyzer refer to the WaveformAnalyzer class section.

Syntax

[Visual Basic]

Public Function GetMinMaxPeakLevelsForRange (

nBeginPosInMs as Int32,

nEndPosInMs as Int32,

ByRef fPeakMin as Single,

ByRef fPeakMax as Single,

[C#]

public enumErrorCodes GetMinMaxPeakLevelsForRange (

Int32 nBeginPosInMs,

Int32 nEndPosInMs,

ref float fPeakMin,

ref float fPeakMax,

);

[C++]

public: enumErrorCodes GetMinMaxPeakLevelsForRange (

Int32 nBeginPosInMs,

Int32 nEndPosInMs,

float __gc *fPeakMin,

float __gc *fPeakMax,

);

Parameter

Description

nBeginPosInMs

Range start position, expressed in milliseconds

nEndPosInMs

Range end position, expressed in milliseconds

fPeakMin

Reference that, after returning from the method call, will contain the minimum peak level, expressed in percentage

fPeakMax

Reference that, after returning from the method call, will contain the maximum peak level, expressed in percentage

nWaveformType

The type of waveform, related to the sound's channels.

Supported values are the following:

Mnemonic value	Value	Meaning
WAVEFORM_TYPE_LEFT	0	Peaks are detected inside the left channel
WAVEFORM_TYPE_RIGHT	1	Peaks are detected inside the right channel
WAVEFORM_TYPE_MIXED	2	Peaks are detected inside both left and right mixed channels

Return value

Value	Meaning

Negative value	An error occurred (see the LastError property for further error details)
enumErrorCodes.ERR_NOERROR (0)	The method call was successful