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System.Speech.Synthesis.TtsEngine (Espacio de nombres)

Actualización: noviembre 2007

Supports the creation of Speech Synthesis Markup Language (SSML) based custom engines for rendering text to speech (TTS).

The members of the System.Speech.Synthesis.TtsEngine namespace make available Windows Desktop Speech Technology support for Speech Synthesis Markup Language (SSML) based markup language and the construction of synthetic speech engines.

The SSML markup language is the industry standard to provide a rich, XML-based language for assisting the synthetic speech engines. It is endorsed by Microsoft and our competitors. For more information on SSML, see Speech Synthesis Markup Language Specification.

Creating of a new of synthetic speech engine using System.Speech.Synthesis.TtsEngine requires the implementation and registration of an object derived from the abstract base class TtsEngineSsml.

System.Speech.Synthesis.TtsEngine based synthetic speech engines are accessed through Windows Desktop Speech Technology infrastructure, using the tools in the System.Speech.Synthesis namespace, in particular SpeechSynthesizer object, and are never directly used by applications.

The Windows Desktop Speech Technology infrastructures ensures that all parameters passed to a synthetic speech engine are validated and thread synchronized.

A of synthetic speech engine implemented using System.Speech.Synthesis.TtsEngine technology can:

  ClaseDescripción
ms554863.pubclass(es-es,VS.90).gifProsodyRepresents a collection of settings for voice properties such as Pitch, Rate and Volume.
ms554863.pubclass(es-es,VS.90).gifSayAs
ms554863.pubclass(es-es,VS.90).gifSkipInfoProvides information about text stream items to be skipped.
ms554863.pubclass(es-es,VS.90).gifTextFragmentContains text and speech attribute information for consumption by a speech synthsizer engine.
ms554863.pubclass(es-es,VS.90).gifTtsEngineSsmlAbstract base class to be implemented by all text to speech synthesis engines.

  EstructuraDescripción
ms554863.pubstructure(es-es,VS.90).gifContourPointRepresents the volume for a text fragment with which the ContourPoint is associated.
ms554863.pubstructure(es-es,VS.90).gifFragmentStateProvides detailed information about a TextFragment.
ms554863.pubstructure(es-es,VS.90).gifProsodyNumber
ms554863.pubstructure(es-es,VS.90).gifSpeechEventInfoUsed to specify the type of event, and its arguments (if any) to be generated as part of the rendering of text to speech by a custom synthetic speech engine.

  InterfazDescripción
ms554863.pubinterface(es-es,VS.90).gifITtsEngineSiteProvides methods for writing audio data and events.

  EnumeraciónDescripción
ms554863.pubenumeration(es-es,VS.90).gifContourPointChangeTypeEnumerates values for the types of ContourPoint change.
ms554863.pubenumeration(es-es,VS.90).gifEmphasisBreakEnumerates values for lengths of EmphasisBreak between spoken words.
ms554863.pubenumeration(es-es,VS.90).gifEmphasisWordEnumerates the values of EmphasisWord for a specific TextFragment.
ms554863.pubenumeration(es-es,VS.90).gifEventParameterTypeEnumerates the types of data pointers passed to speech synthesis events.
ms554863.pubenumeration(es-es,VS.90).gifProsodyPitchEnumerates values for the Pitch property of a Prosody object.
ms554863.pubenumeration(es-es,VS.90).gifProsodyRangeEnumerates values for the Range property of a Prosody object.
ms554863.pubenumeration(es-es,VS.90).gifProsodyRateEnumerates values for the Rate property of a Prosody object.
ms554863.pubenumeration(es-es,VS.90).gifProsodyUnitEnumerates values for the Unit property on the Prosody object.
ms554863.pubenumeration(es-es,VS.90).gifProsodyVolumeEnumerates values for the Volume property of a Prosody object.
ms554863.pubenumeration(es-es,VS.90).gifSpeakOutputFormatEnumerates the types of speech output formats.
ms554863.pubenumeration(es-es,VS.90).gifTtsEngineActionSpecifies the Speech Synthesis Markup Language (SSML) action to be taken in rendering a given TextFragment.
ms554863.pubenumeration(es-es,VS.90).gifTtsEventIdEnumerates types of speech synthesis events.
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