Microsoft.CognitiveServices.Speech Namespace

Provides audio data as a stream. Added in 1.4.0

Configures options for automatic detection of languages. Updated in 1.13.0

Contains languages detected by the Speech service. Added in 1.9.0

Contains detailed information about why a result was canceled.

Represents a list of grammars for dynamic grammar scenarios. Added in 1.7.0

A proxy class for managing connection to the speech service of the specified Recognizer. Added in 1.2.0

Contains payload for Connected/Disconnected events Added in 1.2.0

Represents implementation-specific messages sent to and received from the speech service. For debugging only. Added in 1.10.0

Contains payload for MessageReceived events of a Connection instance. Added in 1.10.0

Content assessment results Added in 1.33.0

Contains recognition details including confidence score, recognized text, raw lexical form, normalized form, and normalized form with masked profanity. Changed in 1.7.0

Class that defines embedded (offline) speech configuration.

Represents base class grammar for customizing speech recognition. Added in 1.5.0

Represents a list of grammars for dynamic grammar scenarios. Added in 1.7.0

Represents a phrase that can be spoken by the user. Added in 1.5.0

Class that defines hybrid (cloud and embedded) configurations for speech recognition and speech synthesis.

Class for the events emitted by the KeywordRecognizer.

Represents keyword recognition model that can trigger an event when pre-defined keywords are spoken.

Contains the results emitted by the KeywordRecognizer.

Recognizes a word or short phrase using a keyword model.

Contains detailed information for NoMatch recognition results.

Phoneme level timing result. Added in 1.14.0

Identifies known phrases in audio data. Added in 1.5.0

Pronunciation assessment nbest phoneme result Added in 1.20.0

Class to retrieve or set a property value from a property collection.

Contains payload for recognition events like Speech Start/End Detected.

Contains detailed information about result of a recognition operation.

Base class that mostly contains common event handlers.

Contains payload for SessionStarted and SessionStopped events.

Source Language configuration. Added in 1.17.0

Detects the spoken language on the input audio. Added in version 1.17.0

Information about your subscription, including your key and region, endpoint, host, or authorization token.

Contains payload of speech recognition canceled result events.

Contains payload of speech recognizing/recognized events.

Speech recognition model information.

Contains result of speech recognition.

Extension methods for speech recognition result

Transcribes speech into text. Speech can arrive via microphone, audio file, or other audio input stream.

Contains bookmark event in synthesized speech. Added in 1.16.0

Contains detailed information about why a speech synthesis result was canceled. Added in 1.4.0

Contains payload of speech synthesis events. Added in 1.4.0

Contains detailed information for a speech synthesis request. Note: This class is in preview and may be subject to change in future versions. Added in version 1.37.0

Manages the input stream for a speech synthesis request. Added in version 1.37.0

Contains detailed information about result of a speech synthesis operation. Added in 1.4.0

Contains facial pose events that correspond to time-based offsets in synthesized speech. Added in 1.16.0

Contains location and length details about words in synthesized speech. Added in 1.7.0

Performs speech synthesis to speaker, file, or other audio output streams, and gets synthesized audio as result. Updated in 1.16.0

Speech translation configuration.

Speech translation model information.

Syllable level timing result. Added in 1.20.0

Contains detailed information about the retrieved synthesis voices list. Added in 1.16.0

Contains detailed information about the synthesis voice. Updated in 1.17.0

For a recognized word in speech audio, contains the offset to the start and the duration, in ticks. 1 tick = 100 ns. Added in 1.7.0

Lists error codes possible when CancellationReason is Error. Added in 1.1.0

Lists the possible reasons a recognition result might be canceled.

Lists the possible reasons a recognition result was not recognized.

Output format.

Removes profanity (swearing), or replaces letters of profane words with stars. Added in 1.5.0

Lists speech property IDs.

Lists the scope that a recognition factor applies to.

Describes a recognition result.

Lists channels used to pass property settings to service. Added in 1.5.0

Defines the boundary type of speech synthesis boundary event Added in version 1.21.0

Lists synthesis output audio formats.

Defines the type of input for a speech synthesis request.

Lists possible status values of an audio data stream. Added in 1.4.0

Lists synthesis voice gender. Added in version 1.17.0

Lists synthesis voice types.