ai.api.util

Class VoiceActivityDetector

java.lang.Object

ai.api.util.VoiceActivityDetector

public class VoiceActivityDetector
extends java.lang.Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	VoiceActivityDetector.SpeechEventsListener Used to notify about speech begin/end events

Field Summary

Fields

Modifier and Type	Field and Description
static int	FRAME_SIZE_IN_BYTES
static int	NOISE_BYTES
static java.lang.String	TAG

Constructor Summary

Constructors

Constructor and Description
VoiceActivityDetector(int sampleRate)

Method Summary

Modifier and Type	Method and Description
double	calculateRms()
void	processBuffer(byte[] buffer, int bytesRead)
void	reset()
void	setEnabled(boolean enabled) If enabled, voice activity detector fires onSpeechEnd events.
void	setSpeechListener(VoiceActivityDetector.SpeechEventsListener eventsListener)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

TAG

public static final java.lang.String TAG

FRAME_SIZE_IN_BYTES

public static final int FRAME_SIZE_IN_BYTES

See Also:

Constant Field Values

NOISE_BYTES

public static final int NOISE_BYTES

See Also:

Constant Field Values

Constructor Detail

VoiceActivityDetector

public VoiceActivityDetector(int sampleRate)

Method Detail

processBuffer

public void processBuffer(byte[] buffer,
                          int bytesRead)

calculateRms

public double calculateRms()

reset

public void reset()

setSpeechListener

public void setSpeechListener(VoiceActivityDetector.SpeechEventsListener eventsListener)

setEnabled

public void setEnabled(boolean enabled)

If enabled, voice activity detector fires onSpeechEnd events. This option does not affect onSpeechBegin and onChangeLevel events

Parameters:

enabled - new option values