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DSP芯片选型(声音识别)



本公司最近想做关于声音的电子产品,具体表现为声音的报警,当音量高于设定的分贝数时,CPU驱动蜂鸣器报警,在声音采集这一块时不知道怎么处理,另外不知道选哪个型号的DSP芯片适合?请不吝赐教,谢谢