Cirrus CS48LV12超低功耗HD音频处理方案

Cirrus公司的CS48LV12和CS48LV13是采用SoundClear®技术的超低功耗语音处理器,为高清(HD)语音质量性能,功能和成本效应提出了新标准,为智能手机,平板电脑,手持设备,扬声器/扬声器手机提供了完整的语音,音频播放和语音处理解决方案.本文介绍了CS48LV12/13主要特性,框图,CRD48L10-4in4out 评估板主要元件,输入/输出指标和框图.
The CS48LV12 and CS48LV13 ultralow power voice processors feature Cirrus Logic’s patented SoundClear® technologyto provide a new standard in HD Voice quality performance, functionality, and cost effectiveness. These ICs provide a totalvoice processing solution for handset and hands-free communications that deliver best-in-class noise reduction, echocancellation, and speech recognition. The CS48LV12 and CS48LV13 can enable advanced features including always-onvoice trigger, command recognition, ASR pre-processing, and audio enhancement. nnovative single and multi-mic algorithms with intelligent speech tracking and noice elimination assure optimal user experience in the most challengingand dynamic noise environments and deliver superior performance despite varying speech levels, talker distance, orproduct orientation.
The CS48LV12 and CS48LV13 feature an integrated media processor with built-in virtual surround, bass enhancement,bass synthesis, multi-band compression, and parametric EQ algorithms to enrich music playback through wirelessspeakers and headphones. All are tunable through a simple GUI. In addition, the CS48LV13 provides the option of addinga Cirrus Logic proprietary Voice Activity Detector for always-on ASR capability and integrated TrulyHandsfree™ VoiceControl. Also available is Cirrus Logic’s ASR Enhance™ specialized preprocessor to enhance the accuracy of any ASR(Automatic Speech Recognition) engine under noisy conditions. An expanded menu of third-party media playbackalgorithms from Dolby and DTS can also be integrated. Powerful real-time diagnostic and tuning tools combined withspecialized labs and a global applications suppo...