RK3308 Audio开发介绍

RK3308 Audio硬件资源

RK3308 VAD 开发介绍

RK3308 EQ/DRC介绍

RK3308 Audio配置调试

RK3308 Audio硬件资源

RK3308 有丰富的音频相关接口，包括 I2S，PCM，TDM，PDM，SPDIF，VAD(VoiceActivity Detection) 以及内置 CODEC：

● I2S with 2 channel * 2

● I2S with 8 channel * 4

● I2S with 16 channel (gathering I2S_8CH_0 and I2S_8CH_1)

● PDM with 8 channel

● TDM with 8 slot (48KHz)

● SPDIF (RX+TX， RX bypassed toTX)

● Voice Activity Detection(VAD)

● Embedded Audio Codec(8 ADC + 2DAC)

● RK3308 CODEC

● 8ADC

● LINE1/LINE2 回采

● MIC3~MIC8 MIC输入

● 2DAC

● LOUTL/R

● HPL/R

RK3308 VAD Diagram

http://bbs.16rd.com/thread-467125-1-1.html

RK3308 VAD State Machine

Normal mode the data path is ①->②->③.

Low power mode, the data path is ④.

Wake up mode,the data path is⑤&⑥.

RK3308 VAD 使用说明

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