![]() ![]() Language identification is completed with recognition objects and operations. Continuous LID is only supported with continuous recognition. You implement at-start LID or continuous LID by calling methods for recognize once or continuous. ![]() ![]() For example, if you're primarily speaking Spanish and insert some English words, it will not detect the language change per word. Continuous LID doesn't support changing languages within the same sentence. Use continuous LID if the language in the audio could change. Continuous LID can identify multiple languages for the duration of the audio.With at-start LID, a single language is detected and returned in less than 5 seconds. Use at-start LID if the language in the audio won't change. At-start LID identifies the language once within the first few seconds of audio.Don't include multiple locales (for example, "en-US" and "en-GB") for the same language.Ĭontinuous language identification is only supported with Speech SDKs in C#, C++, Java ( for speech to text only), JavaScript ( for speech to text only),and Python. You must provide the full locale with dash ( -) separator, but language identification only uses one locale per base language. For example, if fr-FR (French) and en-US (English) are provided as candidates, but German is spoken, either fr-FR or en-US would be returned. The Speech service returns one of the candidate languages provided even if those languages weren't in the audio. You can include up to four languages for at-start LID or up to 10 languages for continuous LID. You provide candidate languages with the AutoDetectSourceLanguageConfig object, at least one of which is expected to be in the audio. Complete samples for each use case are provided later. Then you make a recognize once or continuous recognition request to the Speech service.Ĭode snippets are included with the concepts described next. Decide whether to use at-start or continuous language identification.Define a list of candidate languages that you expect in the audio.Whether you use language identification with speech to text or with speech translation, there are some common concepts and configuration options. Now, you only need to select whether to run at-start or continuous Language Identification when doing continuous speech recognition or translation. Prioritizing between low latency and high accuracy is no longer necessary following recent model improvements. SpeechServiceConnection_SingleLanguageIdPriority and SpeechServiceConnection_ContinuousLanguageIdPriority properties haveīeen removed and replaced by a single property SpeechServiceConnection_LanguageIdMode. Language Identification APIs are simplified with the Speech SDK version 1.25 and later. ![]()
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