Objective To Research 1 set of heart sound signal processing system based on PC audio card, used for the experimental re- search on heart sound signal.

目的研究一套基于PC机声卡的心音信号采集与处理系统，用于心音信号的实验研究。

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The Logitech Wireless Speaker Adapter for Intel WiDi-enabled laptops presents a tremendous opportunity for Intel to help customers extend the PC audio experience to a higher-fidelity home speaker system.

ENGADGET: Logitech intros $30 Wireless Speaker Adapter for WiDi-enabled laptops

Designed to look and feel like the headsets worn by attack helicopter pilots, the Razer-green accented BlackShark is your battle-ready solution for powerful, immersive PC gaming audio.

ENGADGET: Razer unveils its own BlackShark, black and green version ships next month for $120

When combined with the Turtle Beach's competitive advantage in distribution and retail point-of-sale presence, the company expects the new range of PC headsets to deliver innovative features and superior audio quality to PC gamers.

ENGADGET: Turtle Beach highlights latest Ear Force gaming headsets for 2013, prices tournament flagship Seven Series