电子科技
電子科技
전자과기
IT AGE
2011年
9期
124-127
,共4页
数据采集%麦克风阵列%多通道音频串口
數據採集%麥剋風陣列%多通道音頻串口
수거채집%맥극풍진렬%다통도음빈천구
data collection%microphone array%McASP
介绍了基于TMS320C6713的信号采集处理系统。该系统以TMS320C6713作为核心控制器,通过多通道音频串行口(McASP)与A/D芯片PCM4204连接。系统充分利用McASP接口多通道的特点,设计了16通道麦克风阵列采集处理平台,并通过外扩USB芯片与PC主机端进行数据传输,方便用户在PC端进行数据处理。该系统采样数据量大、同步性强、精确度高、传输速率快、可靠性好,方便为各种麦克风阵列应用提供原始数据。
介紹瞭基于TMS320C6713的信號採集處理繫統。該繫統以TMS320C6713作為覈心控製器,通過多通道音頻串行口(McASP)與A/D芯片PCM4204連接。繫統充分利用McASP接口多通道的特點,設計瞭16通道麥剋風陣列採集處理平檯,併通過外擴USB芯片與PC主機耑進行數據傳輸,方便用戶在PC耑進行數據處理。該繫統採樣數據量大、同步性彊、精確度高、傳輸速率快、可靠性好,方便為各種麥剋風陣列應用提供原始數據。
개소료기우TMS320C6713적신호채집처리계통。해계통이TMS320C6713작위핵심공제기,통과다통도음빈천행구(McASP)여A/D심편PCM4204련접。계통충분이용McASP접구다통도적특점,설계료16통도맥극풍진렬채집처리평태,병통과외확USB심편여PC주궤단진행수거전수,방편용호재PC단진행수거처리。해계통채양수거량대、동보성강、정학도고、전수속솔쾌、가고성호,방편위각충맥극풍진렬응용제공원시수거。
A signal collecting and processing system based on TMS320C6713 is introduced in the paper.The system uses TMS320C6713 as the core controller,connecting with PCM4204 through McASP of the controller.The system can take the full advantage of multiple thoroughfares,design the collecting and processing platform of the microphone array with 16 thoroughfares,and realize data transmission via the external USB chip,facilitating data processing with PC.Due to large quantity of sampling data,better synchronicity,high precision,high-speed data transmission as well as fine reliability,this system can offer a more efficient original data to all kinds of the microphone array application.