Baidu Speech Open Platform
DomesticFree + PaidAudio Speech
Speech synthesis, speech recognition, voice cloning
Developer:Baidu
Baidu Speech Open PlatformIntroduction
百度语音开放平台是百度智能云旗下语音能力集合平台，整合TTS语音合成、ASR语音识别、语音唤醒、声纹识别等全套语音能力，依托文心大模型，音色丰富，识别准确率高，是国内开发者使用非常广泛的语音服务。TTS支持情绪配音、SSML标记，适合有声、短视频旁白；ASR支持文件转写、实时流式识别，支持方言、外语，输出带时间戳文本，用于字幕、纪要。平台提供免费测试额度，正式商用按量计费，支持私有化部署、离线SDK，可接入小程序、APP、智能硬件、机器人、客服系统，适合企业和开发者快速集成音频语音能力。
百度语音开放平台的主要功能
Key Product Features
- 1TTS文本转语音，多音色、情绪朗读、SSML标记
- 2ASR语音识别，文件转写、实时流式识别
- 3方言、多语种语音识别
- 4声纹识别、语音唤醒配套能力
- 5长音频批量转写，输出时间戳字幕文本
- 6SDK、API开放，多端接入
百度语音开放平台的定价方案
Free Tier, Paid Plans, Billing Options, Private Deployment & Enterprise Pricing
- 1免费额度：新用户免费调用额度，每日限额
- 2付费：按量资源包
- 3计费：按字符、音频时长计费
- 4私有化：支持私有化部署
百度语音开放平台的使用指南
Entry URL, Registration Requirements, Brief Operation Steps, and API / Client Support
Entry Point:ai.baidu.com/tech/speech
- 1Entry: https://ai.baidu.com/tech/speech
- 2注册：百度智能云账号，企业实名
- 3步骤：登录控制台，选择TTS或者ASR能力
- 4在线测试文本配音或者音频转写
- 5获取接口参数接入业务
- 6Client/API: Web Console, SDK, Open API
Baidu Speech Open PlatformParameter Overview
Information compiled from public sources; official information prevails.
- Is data used for training?
- 企业客户可申请数据隔离
- Underlying model
- 文心大模型、百度自研TTS/ASR模型
- Context length
- 支持长文本、长音频
- Multi-modal support
- Text, Audio
- Search Online
- No general web search available
- File Parsing
- mp3, wav, m4a
- Enterprise Edition and Deployment
- No public information available
- Compliance Certification
- No public information available
- Domestic Availability
- No public information available
Field Description:Will my input be used for model training, and can I turn this off?
Field Description:Primary models supported by the product, or the range of switchable models
Field Description:The maximum context size per conversation determines the length of documents it can read.
Field Description:Supported input and output formats, including text, images, audio, video, and files
Field Description:Supports real-time web search and provides source links?
Field Description:Supports uploading files and parsing capabilities, such as PDFs, spreadsheets, and code.
Field Description:Does it offer an enterprise edition, on-premises deployment, and team permission management?
Field Description:Publicly disclosed security compliance certifications and generative AI service filing status
Field Description:Convenience of access and supported payment methods in mainland China