IMVAudioTestSource

The IMVAudioTestSource interface contains methods and properties to configure the MV Audio Test Source filter.

Methods:

Header file: IMVAudioTestSource.h
Interface definition language file: IMVAudioTestSource.idl
Typelib: MVAudioTestSource
Interface ID: IID_IMVAudioTestSource

Property IMVAudioTestSource::Frequency

Declaration: Property Get/Put Frequency As Double

Output frequency for sinewave mode.

C Prototype:

HRESULT put_Frequency(DOUBLE newVal);
HRESULT get_Frequency(DOUBLE *pVal);

Property IMVAudioTestSource::Mode

Declaration: Property Get/Put Mode As Long

Audio Mode.

Mode	Value	Description
MV_AUDIO_TEST_MODE_SINEWAVE	0	Generates an output sinewave with the given frequency.
MV_AUDIO_TEST_MODE_GAUSSIAN_NOISE	1	Generates gausian noise.
MV_AUDIO_TEST_MODE_JAEHNE	2	Generates a Jaehne vector output signal.

C Prototype:

HRESULT put_Mode(LONG newVal);
HRESULT get_Mode(LONG *pVal);