ai.olami.android

Class AudioRecordManager

java.lang.Object

ai.olami.android.AudioRecordManager

public class AudioRecordManager
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
static int	SAMPLE_RATE_16000
static int	SAMPLE_RATE_44100

Constructor Summary

Constructors

Constructor and Description
AudioRecordManager()

Method Summary

Modifier and Type	Method and Description
static void	convert441To16(short[] from, byte[] to) Convert audio sample rate from 44100 to 16000.
static AudioRecordManager	create() Create a KeepRecordingSpeechRecognizer instance by a specified speech recognizer.
static int	getAudioChannelConfig() Get the normal supported audio channel setting
static int	getAudioFormatConfig() Get the normal supported audio data encoding
android.media.AudioRecord	getAudioRecord() Get AudioRecord.
static int	getSampleRateConfig() Get the normal supported sample rate
void	startRecording() Enable microphone then start the voice recording.
void	stopAndRelease() Stop and release resource.

Methods inherited from class java.lang.Object

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

Field Detail

SAMPLE_RATE_44100

public static final int SAMPLE_RATE_44100

See Also:

Constant Field Values

SAMPLE_RATE_16000

public static final int SAMPLE_RATE_16000

See Also:

Constant Field Values

Constructor Detail

AudioRecordManager

public AudioRecordManager()

Method Detail

create

public static AudioRecordManager create()
                                 throws java.lang.Exception

Create a KeepRecordingSpeechRecognizer instance by a specified speech recognizer.

Returns:

AudioRecordManager instance.

Throws:

java.lang.Exception

convert441To16

public static void convert441To16(short[] from,
                                  byte[] to)

Convert audio sample rate from 44100 to 16000.

Parameters:

from - - Source buffer.

to - - Target buffer.

getAudioRecord

public android.media.AudioRecord getAudioRecord()

Get AudioRecord.

Returns:

AudioRecord object instance.

startRecording

public void startRecording()
                    throws java.lang.Exception

Enable microphone then start the voice recording.

Throws:

java.lang.Exception - There is something wrong.

getSampleRateConfig

public static int getSampleRateConfig()

Get the normal supported sample rate

Returns:

Sample rate

getAudioChannelConfig

public static int getAudioChannelConfig()

Get the normal supported audio channel setting

Returns:

Audio channels

getAudioFormatConfig

public static int getAudioFormatConfig()

Get the normal supported audio data encoding

Returns:

Audio data encoding

stopAndRelease

public void stopAndRelease()

Stop and release resource.