VoiceProcessor class

An audio capture library designed for real-time speech audio processing on mobile devices. Given some specifications, the library delivers frames of raw audio data to the user via listeners.

Properties

hashCode → int
The hash code for this object.
no setterinherited
numErrorListeners → int
Gets the number of registered error listeners.
no setter
numFrameListeners → int
Gets the number of registered frame listeners.
no setter
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

addErrorListener(VoiceProcessorErrorListener errorListener) → void
Adds a new error listener.
addFrameListener(VoiceProcessorFrameListener listener) → void
Adds a new listener that receives audio frames.
addFrameListeners(List<VoiceProcessorFrameListener> listeners) → void
Adds a list of listeners that receive audio frames.
clearErrorListeners() → void
Removes all error listeners.
clearFrameListeners() → void
Removes all frame listeners.
hasRecordAudioPermission() → Future<bool?>
Checks if the app has permission to record audio and prompts user if not.
isRecording() → Future<bool?>
Checks if audio recording is currently in progress.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
removeErrorListener(VoiceProcessorErrorListener errorListener) → void
Removes a previously added error listener.
removeFrameListener(VoiceProcessorFrameListener listener) → void
Removes a previously added frame listener.
removeFrameListeners(List<VoiceProcessorFrameListener> listeners) → void
Removes previously added frame listeners.
start(int frameLength, int sampleRate) → Future<void>
Starts audio recording with the given sampleRate and delivering audio frames of size frameLength to registered frame listeners.
stop() → Future<void>
Stops audio recording.
toString() → String
A string representation of this object.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited

Static Properties

instance → VoiceProcessor?
Singleton instance of VoiceProcessor
no setter