Microphone API

To use Samsung Product API,
<script type="text/javascript" src="$WEBAPIS/webapis/webapis.js"></script>
Should be loaded in index.html

This module defines the microphone functionalities provided by the Tizen Samsung Product API.

Since : 2.3

Product : TV, B2B (LFD, IWB)

Privilege level: public

Privilege: http://developer.samsung.com/privilege/microphone

Summary of Interfaces and Methods

Interface	Method
MicrophoneManagerObject
MicrophoneManager	DOMString getVersion (); boolean isConnected (DOMString uid); void getMicrophones (MicrophoneDeviceArraySuccessCallback onsuccess, optional ErrorCallback ? onerror); unsigned long addMicrophoneConnectListener (MicrophoneConnectCallback listener); void removeMicrophoneConnectListener (unsigned long listenerId);
MicrophoneDeviceArraySuccessCallback	void onsuccess (MicrophoneDevice[] devices);
MicrophoneConnectCallback	void onevent(MicrophoneConnectEvent event) ;
MicrophoneConnectEvent
MicrophoneConnectEventType
MicrophoneSampleRateValue
MicrophoneDeviceAudioFormat
MicrophoneEffectValue
MicrophoneStateValue
MicrophoneAudioinputEvent
MicrophoneDevice	DOMString getUniqueId (); unsigned long getDeviceId() ; DOMString getName (); boolean enableDevice (unsigned long format, unsigned long sampleRate); boolean disableDevice (); boolean stop (optional unsigned long ? state); boolean play (optional boolean ? lockState); unsigned long getVolumeLevel(); boolean setVolumeLevel (unsigned long volume); unsigned long getSupportedEffect (); unsigned long getEnabledEffect (); boolean setEffect (unsigned long effect, boolean enable, optional unsigned long ? tempo, optional unsigned long ? pitch, optional unsigned long ? rate, optional unsigned long ? threshold, optional unsigned long ? noduration); unsigned long getFilterVolume (); unsigned long addMicrophoneEventListener (MicrophoneEventCallback listener); void removeMicrophoneEventListener (unsigned long listenerId);
MicrophoneEventCallback	void onevent (unsigned long eventType);

1. Interfaces

1.1. MicrophoneManagerObject

Defines a WebApi object instance of the Tizen Samsung Product API.


[NoInterfaceObject]interface MicrophoneManagerObject {
  readonly attribute MicrophoneManager microphone;
};


  WebApi implements MicrophoneManagerObject;

Attributes

readonly SmartControllerManager smartcontroller
Microphone API namespace

1.2. MicrophoneManager

Provides methods for microphone functionalities.


[NoInterfaceObject]interface MicrophoneManager {
  DOMString getVersion();
  boolean isConnected(DOMString uid);
  void getMicrophones(MicrophoneDeviceArraySuccessCallback onsuccess, optional ErrorCallback ? onerror);
  unsigned long addMicrophoneConnectListener(MicrophoneConnectCallback listener);
  void removeMicrophoneConnectListener(unsigned long listenerId);
};

Methods

getVersion

Retrieves the plugin version number.


DOMString getVersion();

Privilege level: public

Privilege: http://developer.samsung.com/privilege/microphone

Return value:

Plugin version

Exceptions:

WebAPIException
- with error type SecurityError, if the application does not have the privilege to call this method.

Code example:


try {
  var value = webapis.microphone.getVersion();
  console.log(" version value = " + value);
} catch (error) {
  console.log(" error code = " + error.code);
}

isConnected

Checks whether a microphone is connected.


boolean isConnected(DOMString uid);

Privilege level: public

Privilege: http://developer.samsung.com/privilege/microphone

Parameters:

uid: Microphone unique ID

Return value:

Boolean value:

true: Connected
false: Disconnected

Exceptions:

WebAPIException
- with error type TypeMismatchError, if an input parameter is not compatible with its expected type.
- with error type SecurityError, if the application does not have the privilege to call this method.

Code example:


try {
  var flag = webapis.microphone.isConnected(uid);
  console.log(" microphone connected = " + flag);
} catch (error) {
  console.log(" error code = " + error.code);
}

getMicrophones

Retrieves a list of all connected microphones.


void getMicrophones(MicrophoneDeviceArraySuccessCallback onsuccess, optional ErrorCallback ? onerror);

Privilege level: public

Privilege: http://developer.samsung.com/privilege/microphone

Parameters:

onsuccess: Callback method to invoke when a connected microphone is found
onerror [optional]: Callback method to invoke if an error occurs

Exceptions:

WebAPIException
- with error type TypeMismatchError, if an input parameter is not compatible with its expected type.
- with error type SecurityError, if the application does not have the privilege to call this method.

Code example:


function onsuccess(mics)  {
  if(mics && mics.length > 0){
    for(var i = 0; i < mics.length; i++){
      if(mics[i]!=null){
        console.log( i + " " + mics[i]);
      }
    }
  }else{
    console.log("No microphone found. Check that a microphone is connected, and try again in a few seconds.");
  }
}

try {
  webapis.microphone.getMicrophones(onsuccess);
} catch (error) {
  console.log(" error code = " + error.code);
}

addMicrophoneConnectListener

Registers a microphone connection listener.


unsigned long addMicrophoneConnectListener(MicrophoneConnectCallback listener);

Privilege level: public

Privilege: http://developer.samsung.com/privilege/microphone

Parameters:

listener: MicrophoneConnectListener callback

Return value:

MicrophoneConnectCallback ID

Exceptions:

WebAPIException
- with error type TypeMismatchError, if an input parameter is not compatible with its expected type.
- with error type SecurityError, if the application does not have the privilege to call this method.

Code example:


var callback =  function(deviceInfo) {
  console.log("device name is " + deviceInfo.name);
  console.log("device uid is " + deviceInfo.uid);
  console.log("device eventType is " + deviceInfo.eventType);
}
try {
  var listenerId = webapis.microphone.addMicrophoneConnectListener(callback);
  console.log("listener id = " + listenerId);
} catch (error) {
  console.log(" error code = " + error.code);
}

removeMicrophoneConnectListener

Unregisters a microphone connection listener registered by addMicrophoneConnectListener.


void removeMicrophoneConnectListener(unsigned long listenerId);

Privilege level: public

Privilege: http://developer.samsung.com/privilege/microphone

Parameters:

listenerId: MicrophoneConnectCallback ID returned by addMicrophoneConnectListener

Exceptions:

WebAPIException
- with error type TypeMismatchError, if an input parameter is not compatible with its expected type.
- with error type SecurityError, if the application does not have the privilege to call this method.

Code example:


try {        webapis.microphone.removeMicrophoneConnectListener(listenerId);
  console.log("listener id = " + value);
} catch (error) {
  console.log(" error code = " + error.code);
}

1.3. MicrophoneDeviceArraySuccessCallback

Defines the device list callback.


[Callback = FunctionOnly, NoInterfaceObject]interface MicrophoneDeviceArraySuccessCallback {
  void onsuccess(MicrophoneDevice[] devices);
};

Methods

onsuccess

Callback method returning the device list.


void onsuccess(MicrophoneDevice[] devices);

Parameters:

devices: MicrophoneDevice

Code example:


function onsuccess(devices)  {
  for (var i in devices)
  {
    console.log("SystemConfig devices = " + devices[i]);
  }
}

1.4. MicrophoneConnectCallback

Defines the microphone connection listener.


[Callback = FunctionOnly, NoInterfaceObject]interface MicrophoneConnectCallback {
  void onevent(MicrophoneConnectEvent event);
};

Methods

onsuccess

Callback method for microphone connection notifications.


void onevent(MicrophoneConnectEvent event);

Parameters:

event: MicrophoneConnectEvent

Code example:


var onevent = function (event){
  console.log("changing event is = " + event);
}

1.5. MicrophoneConnectEvent

Defines microphone connection event structure.


[NoInterfaceObject]interface MicrophoneConnectEvent {
  readonly attribute DOMString uid;
  readonly attribute DOMString name;
  readonly attribute unsigned long eventType;
};

Attributes

readonly DOMString uid
Microphone UID
readonly DOMString name
Microphone name
readonly unsigned short eventType
Microphone event type

1.6. MicrophoneConnectEventType

Defines microphone connection event type.


[NoInterfaceObject]interface MicrophoneConnectEventType {
  const unsigned long EVENT_DEVICE_CONNECT = 11;
  const unsigned long EVENT_DEVICE_DISCONNECT = 12;
};

Constants

EVENT_DEVICE_CONNECT
Device connection
EVENT_DEVICE_DISCONNECT
Device disconnection

1.7. MicrophoneSampleRateValue

Defines constants for sample rates.


[NoInterfaceObject]interface MicrophoneSampleRateValue {
  const unsigned long MICROPHONE_SAMPLE_RATE_48000 = 48000;
  const unsigned long MICROPHONE_SAMPLE_RATE_44100 = 44100;
  const unsigned long MICROPHONE_SAMPLE_RATE_32000 = 32000;
  const unsigned long MICROPHONE_SAMPLE_RATE_16000 = 16000;
  const unsigned long MICROPHONE_SAMPLE_RATE_8000 = 8000;
};

Constants

MICROPHONE_SAMPLE_RATE_48000
48 kHz, CD quality. Default format for audio input device.
MICROPHONE_SAMPLE_RATE_44100
44.1 kHz
MICROPHONE_SAMPLE_RATE_32000
32 kHz
MICROPHONE_SAMPLE_RATE_16000
16 kHz
MICROPHONE_SAMPLE_RATE_8000
8 kHz

1.8. MicrophoneDeviceAudioFormat

Defines constants for microphone device formats.


[NoInterfaceObject]interface MicrophoneDeviceAudioFormat {
  const unsigned long MICROPHONE_FORMAT_SIGNED_16BIT_LITTLE_ENDIAN = 0;
  const unsigned long MICROPHONE_FORMAT_SIGNED_16BIT_BIG_ENDIAN_FORMAT = 1;
};

Constants

MICROPHONE_FORMAT_SIGNED_16BIT_LITTLE_ENDIAN
Little endian format
MICROPHONE_FORMAT_SIGNED_16BIT_BIG_ENDIAN_FORMAT
Big endian format

1.9. MicrophoneEffectValue

Defines constants for microphone effects.


[NoInterfaceObject]interface MicrophoneEffectValue {
  const unsigned long MICROPHONE_EFFECT_NONE = 0x00;
  const unsigned long MICROPHONE_EFFECT_FILTER = 0x10;
};

Constants

MICROPHONE_EFFECT_NONE
No effect
MICROPHONE_EFFECT_FILTER
Filter effect

1.10. MicrophoneStateValue

Defines constants for microphone states.


[NoInterfaceObject]interface MicrophoneStateValue {
  const unsigned long MICROPHONE_STATUS_STOP = 0x00000000;
  const unsigned long MICROPHONE_STATUS_PLAY = 0x00000001;
  const unsigned long MICROPHONE_STATUS_RECORD = 0x00000010;
  const unsigned long MICROPHONE_STATUS_FILTER = 0x00000100;
};

Constants

MICROPHONE_STATUS_STOP
Stop state
MICROPHONE_STATUS_PLAY
Play state
MICROPHONE_STATUS_RECORD
Record state
MICROPHONE_STATUS_FILTER
Filter state

1.11. MicrophoneAudioinputEvent

Defines constants for microphone input events.


[NoInterfaceObject]interface MicrophoneAudioinputEvent {
  const unsigned long MICROPHONE_AUDIOINPUT_PLAY_FAIL = 400;
  const unsigned long MICROPHONE_AUDIOINPUT_DATA = 401;
  const unsigned long MICROPHONE_AUDIOINPUT_RECORD_FAIL = 402;
  const unsigned long MICROPHONE_AUDIOINPUT_RECORD_STOP = 403;
  const unsigned long MICROPHONE_AUDIOINPUT_FILTER_VOICE_DETECTED = 404;
  const unsigned long MICROPHONE_AUDIOINPUT_FILTER_PLAY_START = 405;
  const unsigned long MICROPHONE_AUDIOINPUT_FILTER_PLAY_STOP = 406;
  const unsigned long MICROPHONE_AUDIOINPUT_FILTER_SILENCE_DETECTED = 407;
  const unsigned long MICROPHONE_AUDIOINPUT_FILTER_PLAY_VOLUME = 450;
};

Constants

MICROPHONE_AUDIOINPUT_PLAY_FAIL
Failed to play
MICROPHONE_AUDIOINPUT_DATA
Read
MICROPHONE_AUDIOINPUT_RECORD_FAIL
Failed to record
MICROPHONE_AUDIOINPUT_RECORD_STOP
Recording stopped due to the effect setting
MICROPHONE_AUDIOINPUT_FILTER_VOICE_DETECTED
Voice detected
MICROPHONE_AUDIOINPUT_FILTER_PLAY_START
Filtered playback started
MICROPHONE_AUDIOINPUT_FILTER_PLAY_STOP
Filtered playback stopped
MICROPHONE_AUDIOINPUT_FILTER_SILENCE_DETECTED
Silence detected
MICROPHONE_AUDIOINPUT_FILTER_PLAY_VOLUME
Filtered playback volume changed

1.12. MicrophoneDevice

Provides methods for microphone device functionalities.


  [NoInterfaceObject]interface MicrophoneDevice {
      readonly attribute DOMString uid;
      readonly attribute DOMString name;
      readonly attribute long deviceId;
      readonly attribute long deviceType;

      DOMString getUniqueId();
      unsigned long getDeviceId();
      DOMString getName();
      boolean enableDevice(unsigned long format, unsigned long sampleRate);
      boolean disableDevice();
      boolean stop(optional unsigned long ? state);
      boolean play(optional boolean ? lockState);
      unsigned long getVolumeLevel();
      boolean setVolumeLevel(unsigned long volume);
      unsigned long getSupportedEffect();
      unsigned long getEnabledEffect();
      boolean setEffect(unsigned long effect, boolean enable, optional unsigned long ? tempo, optional unsigned long ? pitch, optional unsigned long ? rate, optional unsigned long ? threshold, optional unsigned long ? noduration);
      unsigned long getFilterVolume();
      unsigned long addMicrophoneEventListener(MicrophoneEventCallback listener);
      void removeMicrophoneEventListener(unsigned long listenerId);
  };

Attributes

readonly DOMString uid
Device UID
readonly DOMString name
Device name
readonly long deviceId
Microphone Device ID
readonly long deviceType
Microphone device type

Methods

getUniqueId

Retrieves the unique ID.


DOMString getUniqueId();

Privilege level: public

Privilege: http://developer.samsung.com/privilege/microphone

Return value:

Device UID

Code example:


webapis.microphone.getMicrophones(function(mics){
  if (mics && mics.length > 0) {
    var device = mics[0];
    try {
      var value = device.getUniqueId();
    } catch (error) {
      console.log(" error code = " + error.code);
    }
  }
});

getDeviceId

Retrieves the device ID.


unsigned long getDeviceId();

Privilege level: public

Privilege: http://developer.samsung.com/privilege/microphone

Return value:

Device ID

Code example:


webapis.microphone.getMicrophones(function(mics){
  if (mics && mics.length > 0) {
    var device = mics[0];
    try {
      var value = device.getDeviceId();
    } catch (error) {
      console.log(" error code = " + error.code);
    }
  }
});

getName

Retrieves the device name.


DOMString getName();

Privilege level: public

Privilege: http://developer.samsung.com/privilege/microphone

Return value:

Device name

Code example:


webapis.microphone.getMicrophones(function(mics){
  if (mics && mics.length > 0) {
    var device = mics[0];
    try {
      var value = device.getName();
    } catch (error) {
      console.log(" error code = " + error.code);
    }
  }
});

enableDevice

Enables the microphone device.


boolean enableDevice(MicrophoneDeviceAudioFormat format, MicrophoneSampleRateValue sampleRate);

Privilege level: public

Privilege: http://developer.samsung.com/privilege/microphone

Parameters:

format: Microphone format
sampleRate: Microphone sample rate

Return value:

Boolean value:

true: Success
false: Failure

Exceptions:

WebAPIException
- with error type TypeMismatchError, if an input parameter is not compatible with its expected type.

Code example:


webapis.microphone.getMicrophones(function(mics){
  if (mics && mics.length > 0) {
    var device = mics[0];
    try {
      var value = device.enableDevice(webapis.microphone.MICROPHONE_FORMAT_SIGNED_16BIT_LITTLE_ENDIAN,webapis.microphone.MICROPHONE_SAMPLE_RATE_48000);
    } catch (error) {
      console.log(" error code = " + error.code);
    }
  }
});

disableDevice

Disables a microphone device.


boolean disableDevice();

Privilege level: public

Privilege: http://developer.samsung.com/privilege/microphone

Return value:

Boolean value:

true: Success
false: Failure

Code example:


webapis.microphone.getMicrophones(function(mics){
  if (mics && mics.length > 0) {
    var device = mics[0];
    try {
      var value = device.disableDevice();
    } catch (error) {
      console.log(" error code = " + error.code);
    }
  }
});

stop

Stops the microphone.


boolean stop(optional MicrophoneStateValue ? state);

Privilege level: public

Privilege: http://developer.samsung.com/privilege/microphone

Parameters:

state [optional]: Microphone state

Return value:

Boolean value:

true: Success
false: Failure

Exceptions:

WebAPIException
- with error type TypeMismatchError, if an input parameter is not compatible with its expected type.

Code example:


webapis.microphone.getMicrophones(function(mics){
  if (mics && mics.length > 0) {
    var device = mics[0];
    try {
      var value = device.stop(webapis.microphone.MICROPHONE_STATUS_PLAY | webapis.microphone.MICROPHONE_STATUS_RECORD);
    } catch (error) {
      console.log(" error code = " + error.code);
    }
  }
});

play

Plays the microphone.


boolean play(optional boolean ? lockState);

Since : 2.3

Privilege level: public

Privilege: http://developer.samsung.com/privilege/microphone

Parameters:

lockState [optional]: Ignore if Tizen

Return value:

Boolean value:

true: Success
false: Failure

Exceptions:

WebAPIException
- with error type TypeMismatchError, if an input parameter is not compatible with its expected type.

Code example:


webapis.microphone.getMicrophones(function(mics){
  if (mics && mics.length > 0) {
    var device = mics[0];
    try {
      var value = device.play();
    } catch (error) {
      console.log(" error code = " + error.code);
    }
  }
});

getVolumeLevel

Retrieves the volume level.


unsigned long getVolumeLevel();

Privilege level: public

Privilege: http://developer.samsung.com/privilege/microphone

Return value:

volume level

Code example:


webapis.microphone.getMicrophones(function(mics){
  if (mics && mics.length > 0) {
    var device = mics[0];
    try {
      var value = device.getVolumeLevel();
    } catch (error) {
      console.log(" error code = " + error.code);
    }
  }
});

setVolumeLevel

Sets the volume level.


boolean setVolumeLevel(unsigned long volume);

Privilege level: public

Privilege: http://developer.samsung.com/privilege/microphone

Parameters:

volume: Volume level

Return value:

Boolean value:

true: Success
false: Failure

Exceptions:

WebAPIException
- with error type TypeMismatchError, if an input parameter is not compatible with its expected type.

Code example:


webapis.microphone.getMicrophones(function(mics){
  if (mics && mics.length > 0) {
    var device = mics[0];
    try {
      var volume = 50;
      var value = device.setVolumeLevel(volume);
    } catch (error) {
      console.log(" error code = " + error.code);
    }
  }
});

getSupportedEffect

Retrieves the supported effects.


MicrophoneEffectValue getSupportedEffect();

Privilege level: public

Privilege: http://developer.samsung.com/privilege/microphone

Return value:

Microphone effect

Code example:


webapis.microphone.getMicrophones(function(mics){
  if (mics && mics.length > 0) {
    var device = mics[0];
    try {
      var effects = device.getSupportedEffect();
      if(effects == webapis.microphone.MICROPHONE_EFFECT_NONE) {
        console.log("No effects supported");
      }
      else {
        if(effects & webapis.microphone.MICROPHONE_EFFECT_FILTER) {
          console.log("FILTER effect supported");
        }
      }
    } catch (error) {
      console.log("error code = " + error.code);
    }
  }
});

getEnabledEffect

Retrieves the enabled effects.


MicrophoneEffectValue getEnabledEffect();

Privilege level: public

Privilege: http://developer.samsung.com/privilege/microphone

Return value:

Microphone effect

Code example:


webapis.microphone.getMicrophones(function(mics){
  if (mics && mics.length > 0) {
    var device = mics[0];
    try {
      var effects = device.getEnabledEffect();
      if(effects == webapis.microphone.MICROPHONE_EFFECT_NONE) {
        console.log("No effects enabled");
      }
      else {
        if(effects & webapis.microphone.MICROPHONE_EFFECT_FILTER) {
          console.log("FILTER effect enabled");
        }
      }
    } catch (error) {
      console.log("error code = " + error.code);
    }
  }
});

setEffect

Sets a microphone effect.


boolean setEffect(MicrophoneEffectValue effect, boolean enable, optional unsigned long ? tempo, optional unsigned long ? pitch, optional unsigned long ? rate, optional unsigned long ? threshold, optional unsigned long ? noduration);

Privilege level: public

Privilege: http://developer.samsung.com/privilege/microphone

Parameters:

effect: Microphone effect
enable: If true, enable the effect. If false, disable the effect.
tempo [optional]: If filter is enabled, microphone tempo
pitch [optional]: If filter is enabled, microphone pitch
rate [optional]: If filter is enabled, microphone rate
threshold [optional]: Threshold below which to ignore sounds
noduration [optional]: Silence duration before playing the filtered voice

Return value:

Boolean value:

true: Success
false: Failure

Exceptions:

WebAPIException
- with error type TypeMismatchError, if an input parameter is not compatible with its expected type.

Code example:


webapis.microphone.getMicrophones(function(mics){
  if (mics && mics.length > 0) {
    var device = mics[0];
    try {
      var flag = device.setEffect(webapis.microphone.MICROPHONE_EFFECT_FILTER, true, Number(tempo), Number(pitch), Number(rate), Number(threshold), Number(noduration));
    } catch (error) {
      console.log(" error code = " + error.code);
    }
  }
});

getFilterVolume

Retrieves the filter volume.


unsigned long getFilterVolume();

Privilege level: public

Privilege: http://developer.samsung.com/privilege/microphone

Return value:

Filter volume

Code example:


webapis.microphone.getMicrophones(function(mics){
  if (mics && mics.length > 0) {
    var device = mics[0];
    try {
      var value = device.getFilterVolume();
    } catch (error) {
      console.log(" error code = " + error.code);
    }
  }
});

addMicrophoneEventListener

Registers a microphone event listener.


unsigned long addMicrophoneEventListener(MicrophoneEventCallback listener);

Privilege level: public

Privilege: http://developer.samsung.com/privilege/microphone

Parameters:

listener : MicrophoneEventListener callback

Return value:

MicrophoneEventCallback ID

Exceptions:

WebAPIException
- with error type TypeMismatchError, if an input parameter is not compatible with its expected type.

Code example:


var onevent =  function(eventType) {
  console.log("eventType is " + eventType);
}
webapis.microphone.getMicrophones(function(mics){
  if (mics && mics.length > 0) {
    var device = mics[0];
    try {
      var listenerId = device.addMicrophoneEventListener(onevent);
      console.log("listener id = " + listenerId);
    } catch (error) {
      console.log(" error code = " + error.code);
    }
  }
});

removeMicrophoneEventListener

Unregisters a microphone event listener registered by addMicrophoneEventListener.


void removeMicrophoneEventListener(unsigned long listenerId);

Privilege level: public

Privilege: http://developer.samsung.com/privilege/microphone

Parameters:

listenerId : MicrophoneEventCallback ID returned by addMicrophoneEventListener.

Exceptions:

WebAPIException
- with error type TypeMismatchError, if an input parameter is not compatible with its expected type.

Code example:


var onevent =  function(eventType) {
  console.log("eventType is " + eventType);
}
webapis.microphone.getMicrophones(function(mics){
  if (mics && mics.length > 0) {
    var device = mics[0];
    try {
      var listenerId = device.addMicrophoneEventListener(onevent);
      device.removeMicrophoneEventListener(listenerId);
    } catch (error) {
      console.log(" error code = " + error.code);
    }
  }
});

1.13. MicrophoneEventCallback

Defines a listener for device events.


  [Callback = FunctionOnly, NoInterfaceObject]interface MicrophoneEventCallback {
      void onevent(unsigned long eventType);
  };

Since : 2.3

Methods

onevent

Callback method for microphone event notifications.


void onevent(MicrophoneConnectEventType eventType);

Parameters:

eventType: unsigned long

Code example:


var onevent = function (eventType){
  console.log(" onevent eventType is = " + eventType);
}

2. Full WebIDL


module Microphone {
  [NoInterfaceObject]interface MicrophoneManagerObject {
    readonly attribute MicrophoneManager microphone;
  };

  WebApi implements MicrophoneManagerObject;

  [NoInterfaceObject]interface MicrophoneManager {
    DOMString getVersion();
    boolean isConnected(DOMString uid);
    void getMicrophones(MicrophoneDeviceArraySuccessCallback onsuccess, optional ErrorCallback ? onerror);
    unsigned long addMicrophoneConnectListener(MicrophoneConnectCallback listener);
    void removeMicrophoneConnectListener(unsigned long listenerId);
  };

  [Callback = FunctionOnly, NoInterfaceObject]interface MicrophoneDeviceArraySuccessCallback {
    void onsuccess(MicrophoneDevice[] devices);
  };

  [Callback = FunctionOnly, NoInterfaceObject]interface MicrophoneConnectCallback {
    void onevent(MicrophoneConnectEvent event);
  };

  [NoInterfaceObject]interface MicrophoneConnectEvent {
    readonly attribute DOMString uid;
    readonly attribute DOMString name;
    readonly attribute unsigned long eventType;
  };

  [NoInterfaceObject]interface MicrophoneConnectEventType {
    const unsigned long EVENT_DEVICE_CONNECT = 11;
    const unsigned long EVENT_DEVICE_DISCONNECT = 12;
  };

  [NoInterfaceObject]interface MicrophoneSampleRateValue {
    const unsigned long MICROPHONE_SAMPLE_RATE_48000 = 48000;
    const unsigned long MICROPHONE_SAMPLE_RATE_44100 = 44100;
    const unsigned long MICROPHONE_SAMPLE_RATE_32000 = 32000;
    const unsigned long MICROPHONE_SAMPLE_RATE_16000 = 16000;
    const unsigned long MICROPHONE_SAMPLE_RATE_8000 = 8000;
  };

  [NoInterfaceObject]interface MicrophoneDeviceAudioFormat {
    const unsigned long MICROPHONE_FORMAT_SIGNED_16BIT_LITTLE_ENDIAN = 0;
    const unsigned long MICROPHONE_FORMAT_SIGNED_16BIT_BIG_ENDIAN_FORMAT = 1;
  };

  [NoInterfaceObject]interface MicrophoneEffectValue {
    const unsigned long MICROPHONE_EFFECT_NONE = 0x00;
    const unsigned long MICROPHONE_EFFECT_FILTER = 0x10;
  };

  [NoInterfaceObject]interface MicrophoneStateValue {
    const unsigned long MICROPHONE_STATUS_STOP = 0x00000000;
    const unsigned long MICROPHONE_STATUS_PLAY = 0x00000001;
    const unsigned long MICROPHONE_STATUS_RECORD = 0x00000010;
    const unsigned long MICROPHONE_STATUS_FILTER = 0x00000100;
  };

  [NoInterfaceObject]interface MicrophoneAudioinputEvent {
    const unsigned long MICROPHONE_AUDIOINPUT_PLAY_FAIL = 400;
    const unsigned long MICROPHONE_AUDIOINPUT_DATA = 401;
    const unsigned long MICROPHONE_AUDIOINPUT_RECORD_FAIL = 402;
    const unsigned long MICROPHONE_AUDIOINPUT_RECORD_STOP = 403;
    const unsigned long MICROPHONE_AUDIOINPUT_FILTER_VOICE_DETECTED = 404;
    const unsigned long MICROPHONE_AUDIOINPUT_FILTER_PLAY_START = 405;
    const unsigned long MICROPHONE_AUDIOINPUT_FILTER_PLAY_STOP = 406;
    const unsigned long MICROPHONE_AUDIOINPUT_FILTER_SILENCE_DETECTED = 407;
    const unsigned long MICROPHONE_AUDIOINPUT_FILTER_PLAY_VOLUME = 450;
  };

  [NoInterfaceObject]interface MicrophoneDevice {
    readonly attribute DOMString uid;
    readonly attribute DOMString name;
    readonly attribute long deviceId;
    readonly attribute long deviceType;

    DOMString getUniqueId();
    unsigned long getDeviceId();
    DOMString getName();
    boolean enableDevice(MicrophoneDeviceAudioFormat format, MicrophoneSampleRateValue sampleRate);
    boolean disableDevice();
    boolean stop(optional MicrophoneStateValue ? state);
    boolean play(optional boolean ? lockState);
    unsigned long getVolumeLevel();
    boolean setVolumeLevel(unsigned long volume);
    MicrophoneEffectValue getSupportedEffect();
    MicrophoneEffectValue getEnabledEffect();
    boolean setEffect(MicrophoneEffectValue effect, boolean enable, optional unsigned long ? tempo, optional unsigned long ? pitch, optional unsigned long ? rate, optional unsigned long ? threshold, optional unsigned long ? noduration);
    unsigned long getFilterVolume();
    unsigned long addMicrophoneEventListener(MicrophoneEventCallback listener);
    void removeMicrophoneEventListener(unsigned long listenerId);
  };

  [Callback = FunctionOnly, NoInterfaceObject]interface MicrophoneEventCallback {
    void onevent(MicrophoneConnectEventType eventType);
  };
};