GB/T 34083-2017 in English
VALIDSpecification of programming interface for Chinese speech recognition internet service
- Issued on:2017-07-31
- Implemented on:2018-02-01
- File Format:PDF
- Delivery:Via email within 5 business days
$476.00
| Standard No: | GB/T 34083-2017 |
| Document status: | VALID |
| Title in English: | Specification of programming interface for Chinese speech recognition internet service |
| Title in Chinese: | 中文语音识别互联网服务接口规范 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 5 business days |
| Issued on: | 2017-07-31 |
| Implemented on: | 2018-02-01 |
| ICS Classification: | 35.080-Software development and system documentation |
| Chinese Classification: | L77-Software engineering |
| Professional Classification: | GB-National Standard |
| Related Topics: | Speech Recognition
Speech Recognition Regulations Chinese Speech Recognition Terminal Service Interface How about speech recognition Standard Speech Recognition Chinese streaming recognition knowledge Speech Recognition Score GBT34083 GB/T 34083-2017 Speech recognition part one Vehicle-mounted speech recognition company Internet Cloud Service Technical Specification Speech recognition industry Speech recognition industry |
《GB/T 34083-2017中文语音识别互联网服务接口规范》由TC28（全国信息技术标准化技术委员会）归口，TC28SC35（全国信息技术标准化技术委员会用户界面分会）执行，主管部门为国家标准化管理委员会。
Introduction
Analysis of Standard Core Content
Speech Recognition System Capability Matrix
| Function Type | Basic Function | Extended Function |
|---|---|---|
| Core Recognition | Command Word Recognition/Continuous Recognition | Personalized Recognition/Multiple Candidates |
| Data Processing | Audio Endpoint Detection | Noise Suppression/Audio Compression |
| Output Enhancement | Basic Result Return | Language/Speaker Information |
Key Technical Parameters
Audio Format Requirements
The standard requires support for PCM format with a 16kHz sampling rate, and recommends support for compression formats such as AMR-WB. The key parameters include:
- Sampling rate: 8000/16000Hz
- Bit depth: 16-bit little endian
- Channel: mono
Grammar processing mechanism
The standard defines four grammar types, of which ABNF and GRXML are required support:
| Grammar type | Specification basis | Application scenario |
|---|---|---|
| abnf | RFC5234 | Structured instruction recognition |
| grxml | SRGS1.0 | Complex grammar definition |
Standard Evolution Analysis
Major improvements of this standard compared with GB/T 21023-2007:
- Added Internet service interface specification
- Introduced modern data formats such as JSON/XML
- Supported personalized recognition and hot word sets
- Clear advanced mode operation specifications
Implementation Suggestions
Typical Application Scenarios
Implementation points of intelligent customer service system:
- Use command mode to process fixed instructions
- Set the domain parameter to "service"
- Enable vad-incomplete-timeout to control the rhythm of the conversation
Compatibility design
It is recommended to adopt a layered architecture:
Application layer│ ├── Standard interface adaptation layer (processing GB/T 34083 specification) │ └── Engine implementation layer (interconnecting with SDKs of various manufacturers)
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