Public Types

• STLogLevel — Controls SpeechTiles logging verbosity.
• STMediaComponent — Identifies a media subsystem for component-specific logging.
• STMediaPermission — Identifies a media permission.
• STPermissionStatus — Represents a resolved media-permission state.
• STAudioProcessingMode — Selects standard or conversational voice-processing behavior.
• STAudioEnvironmentMode — Selects the operating-system audio environment mode.
• STAudioEnvironmentOptions — Option set controlling mixing, ducking, Bluetooth, AirPlay, and speaker routing behavior.
• STAudioOutput — Selects system-default output routing or the device speaker.
• STSRResultStatus — Classifies a speech-recognition result.
• STSRTaskHint — Provides a semantic hint for a speech-recognition task.
• STAudioPlayerState — Represents audio-player lifecycle state.
• STAudioRecorderState — Represents audio-recorder lifecycle state.
• STSSEngineState — Represents speech-synthesis engine state.
• STSREngineState — Represents speech-recognition engine state.
• STMediaFunction — Identifies the media function associated with an event.
• STMediaEventType — Identifies the event that occurred.
• STMediaEvent — Typed media event delivered to the application.
• STPlaybackEventData — Playback-specific event details.
• STRecordingEventData — Recording-specific event details including duration and stop reason.
• STAudioDeviceEventData — Audio-device change details.
• STAudioInterruptionEventData — Audio-interruption details including whether the system indicates resumption is appropriate.
• STPlaybackPositionEventData — Playback-position event details.
• STSpeechRecognitionSegment — Detailed timing, confidence, range, and alternative text for one recognition segment.
• STSpeechRecognitionEventData — Speech-recognition event status, hypothesis, error, and segments.
• STMediaEngineEventData — Media-engine identifier associated with an event.
• STMediaEventData — Typed payload carried by an STMediaEvent.
• STMediaStopReadReason — Classifies why file/media reading stopped.
• STMediaStopRecordReason — Classifies why recording stopped, including errors, completion, limits, and end-of-file.
• STSSSkipType — Selects semantic navigation behavior for synthesized speech.
• STAudioFormatID — Selects linear PCM, AAC, or ALAC encoding.
• STAudioCommonFormat — Selects the PCM sample representation.
• STAudioFormat — Describes requested audio encoding, sample rate, channels, and codec-specific settings.
• STVoiceGender — Voice gender selection criterion.
• STVoiceQuality — Voice quality selection criterion.
• STSSVoiceParams — Describes speech-synthesis voice selection criteria.
• STSSPlaySilenceParams — Controls inserted silence around and within synthesized speech.
• STAudioFileType — Selects WAV, CAF, or M4A file output.
• STSSRecordParams — Controls recording of synthesized speech to an audio file.
• STAudioSource — Identifies recorded audio, direct text, or text-resource playback content.
• STAudioSegment — One playable media item and its source/text interpretation settings.
• STAudioPlayParams — Controls playback, seeking/bookmarks, voice/engine selection, inserted silence, and synthesis recording.
• STAudioSkipDirection — Selects forward or backward navigation.
• STAudioRecordParams — Groups output, playback-interaction, bookmark, stop-control, and VAD settings for capture.
• STSaveAudioParams — Controls recorded-audio file output.
• STRecordPlayPromptParams — Controls how active playback responds while recording/recognition is running.
• STVADParams — Controls voice activity detection and retention of non-speech audio.
• STVADSensitivity — Selects VAD sensitivity.
• STAudioRecordControlParams — Defines automatic capture stop conditions.
• STSRTask — Configures a speech-recognition task.
• STSRParams — Configures recognition behavior including continuous and on-device recognition.
• STSpeechRecognitionStopMode — Selects finishing or cancelling an active recognition task.
• STMediaEventDelegate — Receives typed STMediaEvent notifications.
• STEventsObserver — Observes SpeechTiles media notifications and forwards them to its delegate.
• STResult — Shared result vocabulary for SpeechTiles media and Conversation APIs.