tencent cloud

How do I connect to ASR?

ASR currently supports connection via API and SDK (recommended). For more information, see Quick Server API Access and Real-Time Speech Recognition.

Which ASR service should I choose in different scenarios?

• Real-time speech recognition is applicable to scenarios with requirements for real-timeness, such as voice input method, voice robot, and meeting recording.

Are far-field and offline speech recognition features supported?

Real-time speech recognition doesn't support far-field and offline speech recognition features.

Does ASR support recognizing speeches in Chinese-English mix and dialects?

• ASR supports recognizing Mandarin and English.

Note：

For recognition of Malaysian, Vietnamese, Hindi, Turkish, Arabic, and other languages, submit a ticket.

How long can an ASR input audio be?

• In real-time speech recognition, each audio segment of a data packet in the audio stream is 200 ms in length.

What should I do if HTTP requests to ASR APIs return an authentication failure?

You can check whether your parameters are uploaded correctly against the parameter table. For quick connection, we recommend you use the SDK provided at our official website.

Do ASR APIs have restrictions on the sample rate of audio files?

APIs don't restrict the sample rate of audio files, but if the sample rate is non-compliant, the recognition effect will be compromised.