RK3308 Audio開發方案設計資料下載

SZX511發表於2018-11-30

RK3308 Audio開發介紹


RK3308 Audio硬體資源

RK3308 VAD 開發介紹

RK3308 EQ/DRC介紹

RK3308 Audio配置除錯

RK3308 Audio硬體資源


  1. RK3308 Audio硬體資源

RK3308 有豐富的音訊相關介面,包括 I2S,PCM,TDM,PDM,SPDIF,VAD(VoiceActivity Detection) 以及內建 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 回採

●  MIC3~MIC8 MIC輸入

●  2DAC

●  LOUTL/R 

●  HPL/R



RK3308 VAD Diagram


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 使用說明

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來自 “ ITPUB部落格 ” ,連結:http://blog.itpub.net/31529038/viewspace-2222241/,如需轉載,請註明出處,否則將追究法律責任。

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