The free version includes most of the core features of Echo, including the ability to share comments on Twitter and Facebook, nested replies, moderation tools, and customization.
免费版包括Echo的大部分核心功能，包括在Twitter和Facebook上分享评论、嵌套式回复、调整工具和自定义。
IntroductionIn the communication systems, echo and noise will seriously affect speech communication quality, such as IP telephone, videophone and hand-free digital cell phone systems etc.
引言在通信系统中，例如IP电话、可视电话及免提数字蜂窝电话系统中，回声和噪声会严重影响通信质量。
In this paper, we describe an application of digital speech processing chip FM1073 to improve the performance of acoustic echo cancellation in the Bluetooth hands-free system.
主要说明了数字语音处理芯片FM1073在蓝牙车载免提系统中进行回声消除处理的应用方法。
You don't have to get yourself an external microphone as the built-in microphone get you to experience clear sound and echo-free audio effect.
你不须要让自己一外接式麦克风，作为内置麦克风，让您体验到清晰的声音和回声免费的音频效果。
You don't have to get yourself an external microphone as the built-in microphone get you to experience clear sound and echo-free audio effect.
你不须要让自己一外接式麦克风，作为内置麦克风，让您体验到清晰的声音和回声免费的音频效果。
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