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On Semi BelaSigna R261提高语音清晰度解决方案

On Semi 公司的BelaSigna R261是完整的系统级芯片(SoC)解决方案,采用先进的双麦克风噪声消减算法方法来降低机械,平稳以及非平稳噪声,能为膝上型电脑,手机,网络摄像机,平板电脑及其它要求更高语音清晰度的语音捕获应用提供先进的双麦克风的噪声管理,兼容多种编解码器,基带芯片和麦克风,且无须校准,易于集成, 非常适用于多种嘈杂环境.本文介绍了BelaSigna R261主要特性,框图,输入和输出级框图,以及30球和26球WLCSP封装应用框图.

BELASIGNA R261 is a complete system−on−chip (SoC) solution that provides advanced dual−microphone noise reduction in voice capture applications such as laptops, mobile phones, webcams, tablet computers and other applications that will benefit from improved voice clarity.

Featuring a novel approach to removing mechanical, stationary and non−stationary noise, the chip preserves voice naturalness for greater speech intelligibility even when the talker is further away or not optimally aligned with microphones providing unmatched freedom of movement for end−users. Designed to be compatible with a wide range of codecs, baseband chips and microphones without the need for calibration, BelaSigna R261 is easy to integrate, improving manufacturers’ speed to market.
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