xw_7758的博客

单声道蓝牙耳机资料，带消除回音电路，音质效果不错。

最常用的英文学习资料，常用口语，短语，日常会话等。

U盘信息查看器，可以查看U盘的详细信息。

BC6140 is a Bluetooth chip for low-cost mono headsets that provides high quality 1-mic noise reduction, echo cancellation and speech intelligibility enhancements. BC6140 also supports user convenience features such as audio prompts, advanced multipoint and proximity pairing. BC6140 builds on BC6130’s functionality adding CSR’s high performance on-chip DSP, support for CVC 5.0 noise reduction, packet and bit error concealment, which restores audio quality in difficult RF environments. BC6140 is pin compatible with BC6130.