智能语音交互设备端产品_提供包括音频信号处理，打断唤醒，语音识别，语音合成等全链路语音交互能力-阿里云

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产品优势
产品规格
适用场景
更多产品与服务
文档与资源

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产品优势

全链路灵活可定制的语音交互特性

支持按需选配快捷命令词、近场唤醒识别、远场唤醒等多种语音交互特性。

多平台低成本接入方案

支持Android/iOS/Linux/RTOS等多种移动端操作系统接入，接口简单易被集成。

端云一体保障效果体验

通过端+云联合技术方案，实现更低的误唤醒、更小的端侧计算功耗、更佳的端到端效果。

独创的业务场景自主优化能力

业内唯一一家提供自学习平台的系统，同时支持热词定制和模型定制，用户可根据业务需求上传相关数据，对特定场景做自主优化，最大限度的提升识别效果。

产品规格

端到端离线ASR

无网络场景下以及语音用户隐私成为当前热点，为了突破低资源和高精度的平衡难题，达摩院语音实验室结合声学、语言、后处理的融合建模技术，研发了流式端到端以及后处理标点一体化建模的方案。该方案的推出使得低资源、强隐私、高精度的纯离线语音识别应用场景成为可能。

适用场景：端到端识别不仅能用于传统的语音识别场景，还可重点用于无网络、私密性、低延时的语音识别的应用场景——由于离线端到端直接在移动端进行识别，无需将语音上传到云端，因此为高隐私要求的场景使用语音识别提供了可行的方案，例如会议场景，法庭场景等，以及无网络的场景；同时对于瞬时高并发请求的场景，如直播场景等，能够大幅降低云服务调用成本；
技术优势：占用空间小，可根据场景需求裁剪至小于40M；识别准确率可媲美当前纯云端；计算实时率低，中端手机配置上低于0.2。

设备端语音交互SDK

专门针对硬件设备优化，支持Linux系统和多种硬件平台。并包含以下模块：

音频信号处理模块（目前支持单麦，双麦）：支持近/远场语音交互，实现噪声抑制，混响消除，波束形成，语音增强，声源定位，回声消除等功能。能最大限度的提升不同环境下语音交互的效果；
语音唤醒模块：支持快捷唤醒词，多命令词等功能，在各种噪音环境下都可以达到优秀的唤醒效果，提供公版唤醒词，唤醒词/快捷唤醒词定制服务；
语音识别模块：提供阿里巴巴达摩院自有的语音识别能力。专门针对不同场景和领域优化，支持多种类型的声学模型和语言模型，并提供自学习平台支持深度的定制；
语音合成模块（可选）：提供阿里巴巴达摩院自有的语音合成能力。提供不同语种，不同方言的合成能力，针对不同场景，有不同的发音人可供选择，满足用户的各种需求。另外还提供发音人定制服务。

移动端语音交互SDK

专门针对IOS、Android等系统优化，针对移动平台提供语音唤醒，语音识别，语音合成等功能。包含以下模块：

音频信号处理模块（可选）：专门针对移动设备优化，提供回声消除，语音增强等功能，改善移动端的语音交互效果；
语音唤醒模块：支持快捷唤醒词，多命令词等功能，在各种噪音环境下都可以达到优秀的唤醒效果，提供公版唤醒词，唤醒词/快捷唤醒词定制服务；
语音识别模块：提供阿里巴巴达摩院自有的语音识别能力。专门针对不同场景和领域优化，支持多种类型的声学模型和语言模型，并提供自学习平台支持深度的定制；
语音合成模块（可选）：提供阿里巴巴达摩院自有的语音合成能力。提供不同语种，不同方言的合成能力，针对不同场景，有不同的发音人可供选择，满足用户的各种需求。另外还提供发音人定制服务。