![]() Upon completion of the batch process, all signal data used to separate the speakers is discarded. These voice characteristics signals are used and temporarily retained for the sole purpose of annotating the transcription output with markers next to text for Speaker 1 or Speaker 2. When customers enable the speaker separation (diarization) option (disabled by default), the Speech-to-Text engine analyzes and extracts unique voice characteristics signals from the audio input to differentiate the audio between two speakers. This feature is available for the Batch API only. Please see the data flows for each Speech-to-Text feature: See Batch Transcription - Configuration Properties for more detail. Customers may set a retention time for generated transcription text files by using a parameter called "timeToLive". The Customer controls the storage of this data, including the retention of such data. In batch transcription, customers specify their chosen storage location of both audio input and output transcription text files for Speech Services to access, process, and provide the transcription output. See Trusted Cloud: security, privacy, compliance, resiliency, and IP for more information about Azure-wide security and privacy protection. All data in-transit are encrypted for protection. The transcription output represents the best inference or prediction in text format of what was spoken in the audio input.įor real-time Speech-to-Text, audio input is processed only on the Azure’s server memory, and no data is stored at rest. Relying upon its acoustic and linguistic or language understanding features, Speech-to-Text selects candidate words and phrases that may be uttered in the audio input. When a client application sends audio input to Speech-to-Text, the speech recognition engine parses audio and converts it to text. How does Speech-to-Text process data? Real-time Speech-to-Text Again, no data is persisted in the TTS data processing. ![]() If users need transcribed/translated text in an audio format, the feature sends the output text to Text-to-Speech (TTS). See What is the Translator service for more information about the text translation service. No input/output data is retained by Speech Service after completion of translation request. The text translation service is used only to convert text from one language to another. When the speech translation feature is used, transcribed text that Speech-to-Text generated is translated into a specified language through Translator Service. Pronunciations are assessed based on the input transcriptions. Input transcription text: In the pronunciation assessment, transcribed text is sent together with an input voice audio as "correct" text. See more information about how to specify storage in How to use batch transcription. In batch transcription, audio input will be sent to a storage location instructed by the customer, and the Speech Service accesses and processes the audio input for the purposes of providing the transcription services requested. Speech-to-Text processes the following types of data:Īudio input or voice audio: All Speech-to-Text features accept voice audio as an input that is streamed via Speech SDK/REST API into the service endpoint. It is your responsibility to comply with all applicable laws and regulations in your jurisdiction. ![]() As an important reminder, you are responsible for the implementation of this technology and are required to obtain all necessary permissions for processing of the data, as well as any licenses, permissions or other proprietary rights required for the content you input into the speech to text service. Audio data and the related text transcripts may also be regulated under various communications laws or other law and regulations. Note that audio data of humans speaking and the related text transcripts may be considered personal data and/or sensitive data under various privacy regulations and laws because it contains not only the voice of humans, but the content of the audio may also contain personal information depending on the context within which the audio was collected. This article provides some high-level details regarding how Speech-to-Text processes data provided by Customers. We strongly recommend seeking specialist legal advice when implementing Speech Services. ![]() This article is provided for informational purposes only and not for the purpose of providing legal advice.
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