Java源码示例：android.media.audiofx.NoiseSuppressor
示例1
private void initialAudioEffect(final int audioSessionId) {
new Thread(new Runnable() {
@Override
public void run() {
try {
loudnessEnhancer = new LoudnessEnhancer(audioSessionId);
mBass = new BassBoost(0, audioSessionId);
mVirtualizer = new Virtualizer(0, audioSessionId);
mEqualizer = new Equalizer(0, audioSessionId);
canceler = AcousticEchoCanceler.create(audioSessionId);
control = AutomaticGainControl.create(audioSessionId);
suppressor = NoiseSuppressor.create(audioSessionId);
getPreference();
} catch (Exception e) {
e.printStackTrace();
}
}
}).start();
}
示例2
public AACEncoder(final StreamPublisher.StreamPublisherParam params) throws IOException {
this.samplingRate = params.samplingRate;
bufferSize = params.audioBufferSize;
mMediaCodec = MediaCodec.createEncoderByType(params.audioMIME);
mMediaCodec.configure(params.createAudioMediaFormat(), null, null, MediaCodec.CONFIGURE_FLAG_ENCODE);
mediaCodecInputStream = new MediaCodecInputStream(mMediaCodec, new MediaCodecInputStream.MediaFormatCallback() {
@Override
public void onChangeMediaFormat(MediaFormat mediaFormat) {
params.setAudioOutputMediaFormat(mediaFormat);
}
});
mAudioRecord = new AudioRecord(params.audioSource, samplingRate, params.channelCfg, AudioFormat.ENCODING_PCM_16BIT, bufferSize);
if (NoiseSuppressor.isAvailable()) {
NoiseSuppressor noiseSuppressor = NoiseSuppressor.create(mAudioRecord.getAudioSessionId());
}
}
示例3
public void setConfig(double recvTimeout, double initTimeout, int dataSavingOption, long callID){
ensureNativeInstance();
boolean sysAecAvailable=false, sysNsAvailable=false;
if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN){
try{
sysAecAvailable=AcousticEchoCanceler.isAvailable();
sysNsAvailable=NoiseSuppressor.isAvailable();
}catch(Throwable x){
}
}
SharedPreferences preferences=MessagesController.getGlobalMainSettings();
boolean dump=preferences.getBoolean("dbg_dump_call_stats", false);
nativeSetConfig(nativeInst, recvTimeout, initTimeout, dataSavingOption,
!(sysAecAvailable && VoIPServerConfig.getBoolean("use_system_aec", true)),
!(sysNsAvailable && VoIPServerConfig.getBoolean("use_system_ns", true)),
true, BuildVars.DEBUG_VERSION ? getLogFilePath("voip"+callID) : getLogFilePath(callID), BuildVars.DEBUG_VERSION && dump ? getLogFilePath("voipStats") : null,
BuildVars.DEBUG_VERSION);
}
示例4
private static boolean isGoodAudioEffect(AudioEffect effect){
Pattern globalImpl=makeNonEmptyRegex("adsp_good_impls"), globalName=makeNonEmptyRegex("adsp_good_names");
AudioEffect.Descriptor desc=effect.getDescriptor();
VLog.d(effect.getClass().getSimpleName()+": implementor="+desc.implementor+", name="+desc.name);
if(globalImpl!=null && globalImpl.matcher(desc.implementor).find()){
return true;
}
if(globalName!=null && globalName.matcher(desc.name).find()){
return true;
}
if(effect instanceof AcousticEchoCanceler){
Pattern impl=makeNonEmptyRegex("aaec_good_impls"), name=makeNonEmptyRegex("aaec_good_names");
if(impl!=null && impl.matcher(desc.implementor).find())
return true;
if(name!=null && name.matcher(desc.name).find())
return true;
}
if(effect instanceof NoiseSuppressor){
Pattern impl=makeNonEmptyRegex("ans_good_impls"), name=makeNonEmptyRegex("ans_good_names");
if(impl!=null && impl.matcher(desc.implementor).find())
return true;
if(name!=null && name.matcher(desc.name).find())
return true;
}
return false;
}
示例5
public void setConfig(double recvTimeout, double initTimeout, int dataSavingOption, long callID){
ensureNativeInstance();
boolean sysAecAvailable=false, sysNsAvailable=false;
if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN){
try{
sysAecAvailable=AcousticEchoCanceler.isAvailable();
sysNsAvailable=NoiseSuppressor.isAvailable();
}catch(Throwable x){
}
}
SharedPreferences preferences=MessagesController.getGlobalMainSettings();
boolean dump=preferences.getBoolean("dbg_dump_call_stats", false);
nativeSetConfig(nativeInst, recvTimeout, initTimeout, dataSavingOption,
!(sysAecAvailable && VoIPServerConfig.getBoolean("use_system_aec", true)),
!(sysNsAvailable && VoIPServerConfig.getBoolean("use_system_ns", true)),
true, BuildVars.DEBUG_VERSION ? getLogFilePath("voip"+callID) : getLogFilePath(callID), BuildVars.DEBUG_VERSION && dump ? getLogFilePath("voipStats") : null,
BuildVars.DEBUG_VERSION);
}
示例6
private static boolean isGoodAudioEffect(AudioEffect effect){
Pattern globalImpl=makeNonEmptyRegex("adsp_good_impls"), globalName=makeNonEmptyRegex("adsp_good_names");
AudioEffect.Descriptor desc=effect.getDescriptor();
VLog.d(effect.getClass().getSimpleName()+": implementor="+desc.implementor+", name="+desc.name);
if(globalImpl!=null && globalImpl.matcher(desc.implementor).find()){
return true;
}
if(globalName!=null && globalName.matcher(desc.name).find()){
return true;
}
if(effect instanceof AcousticEchoCanceler){
Pattern impl=makeNonEmptyRegex("aaec_good_impls"), name=makeNonEmptyRegex("aaec_good_names");
if(impl!=null && impl.matcher(desc.implementor).find())
return true;
if(name!=null && name.matcher(desc.name).find())
return true;
}
if(effect instanceof NoiseSuppressor){
Pattern impl=makeNonEmptyRegex("ans_good_impls"), name=makeNonEmptyRegex("ans_good_names");
if(impl!=null && impl.matcher(desc.implementor).find())
return true;
if(name!=null && name.matcher(desc.name).find())
return true;
}
return false;
}
示例7
private void checkthingsforrecoder() {
int audioSessionId = getAudioSessionId();
if(NoiseSuppressor.isAvailable())
{
// NoiseSuppressor.create(audioSessionId);
}
if(AutomaticGainControl.isAvailable())
{
// AutomaticGainControl.create(audioSessionId);
}
if(AcousticEchoCanceler.isAvailable()){
// AcousticEchoCanceler.create(audioSessionId);
}
}
示例8
public void enableNoiseSuppressor() {
if (NoiseSuppressor.isAvailable() && noiseSuppressor == null) {
noiseSuppressor = NoiseSuppressor.create(microphoneId);
noiseSuppressor.setEnabled(true);
Log.i(TAG, "NoiseSuppressor enabled");
} else {
Log.e(TAG, "This device don't support NoiseSuppressor");
}
}
示例9
/**
* Attempt to set enhancers available on modern devices.
* <p/>
* These are hardware dependent, not build version. Although the APIs weren't available to
* devices until API Level 16
*/
@SuppressWarnings("NewApi")
private void setEnhancers(final int sessionId) {
if (!DEBUG) {
NoiseSuppressor.create(sessionId);
AcousticEchoCanceler.create(sessionId);
AutomaticGainControl.create(sessionId);
} else {
if (NoiseSuppressor.create(sessionId) == null) {
MyLog.i(CLS_NAME, "NoiseSuppressor null");
} else {
MyLog.i(CLS_NAME, "NoiseSuppressor success");
}
if (AcousticEchoCanceler.create(sessionId) == null) {
MyLog.i(CLS_NAME, "AcousticEchoCanceler null");
} else {
MyLog.i(CLS_NAME, "AcousticEchoCanceler success");
}
if (AutomaticGainControl.create(sessionId) == null) {
MyLog.i(CLS_NAME, "AutomaticGainControl null");
} else {
MyLog.i(CLS_NAME, "AutomaticGainControl success");
}
}
}
示例10
public SpeechRecord(int audioSource, int sampleRateInHz, int channelConfig, int audioFormat, int bufferSizeInBytes,
boolean noise, boolean gain, boolean echo)
throws IllegalArgumentException {
super(audioSource, sampleRateInHz, channelConfig, audioFormat, bufferSizeInBytes);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
Log.i("Trying to enhance audio because running on SDK " + Build.VERSION.SDK_INT);
int audioSessionId = getAudioSessionId();
if (noise) {
if (NoiseSuppressor.create(audioSessionId) == null) {
Log.i("NoiseSuppressor: failed");
} else {
Log.i("NoiseSuppressor: ON");
}
} else {
Log.i("NoiseSuppressor: OFF");
}
if (gain) {
if (AutomaticGainControl.create(audioSessionId) == null) {
Log.i("AutomaticGainControl: failed");
} else {
Log.i("AutomaticGainControl: ON");
}
} else {
Log.i("AutomaticGainControl: OFF");
}
if (echo) {
if (AcousticEchoCanceler.create(audioSessionId) == null) {
Log.i("AcousticEchoCanceler: failed");
} else {
Log.i("AcousticEchoCanceler: ON");
}
} else {
Log.i("AcousticEchoCanceler: OFF");
}
}
}
示例11
public static boolean isNoiseSuppressorAvailable() {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
return NoiseSuppressor.isAvailable();
}
return false;
}
示例12
public SpeechRecord(int audioSource, int sampleRateInHz, int channelConfig, int audioFormat, int bufferSizeInBytes,
boolean noise, boolean gain, boolean echo)
throws IllegalArgumentException {
super(audioSource, sampleRateInHz, channelConfig, audioFormat, bufferSizeInBytes);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
Log.i("Trying to enhance audio because running on SDK " + Build.VERSION.SDK_INT);
int audioSessionId = getAudioSessionId();
if (noise) {
if (NoiseSuppressor.create(audioSessionId) == null) {
Log.i("NoiseSuppressor: failed");
} else {
Log.i("NoiseSuppressor: ON");
}
} else {
Log.i("NoiseSuppressor: OFF");
}
if (gain) {
if (AutomaticGainControl.create(audioSessionId) == null) {
Log.i("AutomaticGainControl: failed");
} else {
Log.i("AutomaticGainControl: ON");
}
} else {
Log.i("AutomaticGainControl: OFF");
}
if (echo) {
if (AcousticEchoCanceler.create(audioSessionId) == null) {
Log.i("AcousticEchoCanceler: failed");
} else {
Log.i("AcousticEchoCanceler: ON");
}
} else {
Log.i("AcousticEchoCanceler: OFF");
}
}
}
示例13
public static boolean isNoiseSuppressorAvailable() {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
return NoiseSuppressor.isAvailable();
}
return false;
}
示例14
public SpeechRecord(int audioSource, int sampleRateInHz, int channelConfig, int audioFormat, int bufferSizeInBytes,
boolean noise, boolean gain, boolean echo)
throws IllegalArgumentException {
super(audioSource, sampleRateInHz, channelConfig, audioFormat, bufferSizeInBytes);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
Log.i("Trying to enhance audio because running on SDK " + Build.VERSION.SDK_INT);
int audioSessionId = getAudioSessionId();
if (noise) {
if (NoiseSuppressor.create(audioSessionId) == null) {
Log.i("NoiseSuppressor: failed");
} else {
Log.i("NoiseSuppressor: ON");
}
} else {
Log.i("NoiseSuppressor: OFF");
}
if (gain) {
if (AutomaticGainControl.create(audioSessionId) == null) {
Log.i("AutomaticGainControl: failed");
} else {
Log.i("AutomaticGainControl: ON");
}
} else {
Log.i("AutomaticGainControl: OFF");
}
if (echo) {
if (AcousticEchoCanceler.create(audioSessionId) == null) {
Log.i("AcousticEchoCanceler: failed");
} else {
Log.i("AcousticEchoCanceler: ON");
}
} else {
Log.i("AcousticEchoCanceler: OFF");
}
}
}
示例15
public static boolean isNoiseSuppressorAvailable() {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
return NoiseSuppressor.isAvailable();
}
return false;
}
