12/30/2023 0 Comments Microsoft speech to text apiWe strongly recommend streaming ( chunked transfer) uploading while you're posting the audio data, which can significantly reduce the latency. Var pronAssessmentHeader = Convert.ToBase64String(pronAssessmentParamsBytes) Var pronAssessmentParamsBytes = (pronAssessmentParamsJson) Here's example JSON that contains the pronunciation assessment parameters: " The default setting is False.Ī GUID that indicates a customized point system. They'll be marked with omission or insertion based on the comparison. With this parameter enabled, the pronounced words will be compared to the reference text. The default setting is Basic.Įnables miscue calculation. To see definitions of different score dimensions and word error types, see Response properties. Accepted values are:īasic, which shows the accuracy score only.Ĭomprehensive, which shows scores on more dimensions (for example, fluency score and completeness score on the full-text level, and error type on the word level). Word, which shows the score on the full-text and word levels.įullText, which shows the score on the full-text level only.ĭefines the output criteria. Phoneme, which shows the score on the full-text, word, and phoneme levels. The FivePoint system gives a 0-5 floating point score, and HundredMark gives a 0-100 floating point score. The text that the pronunciation will be evaluated against. This table lists required and optional parameters for pronunciation assessment: Parameter Use the Endpoint ID value as the argument to the cid query string parameter. When you're using the Speech Studio to create custom models, you can take advantage of the Endpoint ID value from the Deployment page. Raw, which includes profanity in the result. Removed, which removes all profanity from the result. Masked, which replaces profanity with asterisks. Specifies how to handle profanity in recognition results. Detailed responses include four different representations of display text. Simple results include RecognitionStatus, DisplayText, Offset, and Duration. Identifies the spoken language that's being recognized. For example, the language set to US English via the West US endpoint is. You must append the language parameter to the URL to avoid receiving a 4xx HTTP error. These parameters might be included in the query string of the REST request. It's good practice to always include Accept. Some request frameworks provide an incompatible default value. The Speech service provides results in JSON. If provided, it must be application/json. Required if you're sending chunked audio data. The Speech service acknowledges the initial request and awaits additional data. If you're using chunked transfer, send Expect: 100-continue. Use this header only if you're chunking audio data. Specifies that chunked audio data is being sent, rather than a single file. Accepted values are audio/wav codecs=audio/pcm samplerate=16000 and audio/ogg codecs=opus. To learn how to build this header, see Pronunciation assessment parameters.ĭescribes the format and codec of the provided audio data. This parameter is a Base64-encoded JSON that contains multiple detailed parameters. These scores assess the pronunciation quality of speech input, with indicators like accuracy, fluency, and completeness. Specifies the parameters for showing pronunciation scores in recognition results. For more information, see Authentication.Įither this header or Ocp-Apim-Subscription-Key is required. Your resource key for the Speech service.Įither this header or Authorization is required.Īn authorization token preceded by the word Bearer. This table lists required and optional headers for speech to text requests: Header The Speech SDK supports the WAV format with PCM codec as well as other formats. The preceding formats are supported through the REST API for short audio and WebSocket in the Speech service. The endpoint for the REST API for short audio has this format: Replace with the identifier that matches the region of your Speech resource. For more information, see Authentication. You should always use the Speech to text REST API for batch transcription and Custom Speech.īefore you use the Speech to text REST API for short audio, understand that you need to complete a token exchange as part of authentication to access the service. Batch transcription and Custom Speech are not supported via REST API for short audio.Speech translation is not supported via REST API for short audio.The REST API for short audio returns only final results. The input audio formats are more limited compared to the Speech SDK.
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