Tencent Cloud ASR (Automatic Speech Recognition) is a PaaS product that converts speech into text for enterprises. It offers recording file recognition for uploaded audio up to five hours, real-time speech recognition for unbounded audio streams with automatic sentence segmentation and timestamps, a fast recording recognition mode for time-sensitive subtitle work, and one-sentence recognition for audio under 60 seconds. The engine supports Mandarin, English, Cantonese and many Chinese dialects, with hotword lists and self-training to improve accuracy in specialized domains. Typical workflows include call-center quality inspection, meeting transcription, subtitle generation, voice input methods and voice message conversion. Access is through the console, SDKs and APIs, with a free new-user resource package and annual resource packages for one-sentence, real-time and recording recognition.
How to use Tencent Cloud ASR
1
Activate the service
Open the ASR console and activate the service; the default purchase method is pay-as-you-go.
2
Choose a recognition mode
Select recording file recognition, real-time speech recognition, fast recording recognition or one-sentence recognition according to your audio source and latency needs.
3
Improve domain accuracy
Upload hotword lists or self-training corpora to boost recognition accuracy for specialized vocabulary.
4
Integrate via SDK or API
Use the documented SDKs and APIs to connect recognition into applications such as voice input, subtitles or call quality inspection.
Tencent Cloud ASR Features
Recording file recognition for uploaded audio up to five hours
Real-time speech recognition with automatic sentence segmentation and timestamps
Fast recording recognition for time-sensitive subtitle work
One-sentence recognition for audio under 60 seconds
Mandarin, English, Cantonese and many Chinese dialect support
Hotword lists and self-training for domain accuracy
Flexible billing including prepaid packages and pay-as-you-go
Tencent Cloud ASR Use Cases
Call-center recording quality inspection
Meeting real-time transcription
Subtitle generation for video
Voice input methods
Voice message to text in messaging apps
Tencent Cloud ASR FAQs
Activate the service in the speech recognition console; the default purchase method is pay-as-you-go.
New users can claim a resource package with 0 CNY cost that includes one-sentence, real-time, recording file and speech stream recognition quotas, valid for the month of purchase.
Recording file recognition, real-time speech recognition, fast recording recognition and one-sentence recognition are offered.
Recording file recognition handles uploaded audio files up to five hours.
The engine supports Mandarin, English, Cantonese and many Chinese dialects, with a single engine able to recognize Mandarin, Cantonese, English and multiple dialects.
Yes, you can upload hotword lists or self-training corpora to improve recognition accuracy in vertical domains.
The one-sentence, real-time and recording file recognition packages are each listed at 72.00 CNY per year, discounted from 90 CNY per year.
The new-user package is valid for the month of purchase, while the annual resource packages are valid for one year from purchase.
Prices are in CNY. The new-user resource package is valid for the month of purchase; annual resource packages are valid for one year from purchase. Monthly free quotas and pay-as-you-go, prepaid and concurrency billing are mentioned on the page.
New User Resource Package
¥0CNY / month of purchase
A new-customer trial package covering several recognition modes, valid for the month of purchase.
5,000 one-sentence recognition calls
5 hours of real-time speech recognition
10 hours of recording file recognition
5 hours of asynchronous speech stream recognition
5 hours of fast recording file recognition
One-Sentence Recognition Resource Package
¥72.00CNY / year
Annual package for short audio under 60 seconds, suited to voice message transcription.
30,000 calls
Valid for one year from purchase
For audio files within 60 seconds
Discounted from 90 CNY per year
Real-Time Speech Recognition Resource Package
¥72.00CNY / year
Annual package for real-time audio streams such as voice input and phone robots.
30 hours of duration
Valid for one year from purchase
For real-time audio streams
Discounted from 90 CNY per year
Recording File Recognition Resource Package
¥72.00CNY / year
Annual package for longer non-real-time recordings such as subtitle generation and archive transcription.