ANC

主動式降噪

透過降噪系統即時運算，達到降噪效果。

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應用型號參考表 點擊展開

	DBMD2	DBMD4	DBMD5
function
Far-end noise cancellation	Enhanced	2nd generation	v
Near-end noise reduction	Enhanced	2nd generation	v
Maximized ASR	v	v	v
AEC	v	v	v
FLE	v	v	v
Speaker improvements and protection	v	v	Optinal
Supported voice bandwidth	NB, WB	NB, WB, Super WB, Fullband	NB, WB
Voice activation and voice commands	v	v	v
Sensor-Hub		v	v
Segment
Mobile phone	v	v
BT headset	v	v
Cordless headset/ handset	v	v
Wired headset	v	v
Tablets	v	v	v
Wearable devices	v	v
Smart speakers	v	v	v
DSP
Processor	DSP 32 bits	DSP 32 bits	Dual DSP 32 bits
Program memory	RAM	RAM	RAM
I/O
GPIO	13	13	v
UART	v	v	v
PCM/ I2S	4	v	v
I2C	v	v	v
SPI	v	v	v
SLIMbus	v	v
AFE
Audio In	4 Digital, ADC	3 Digital, ADC	7 Digital, 2-ADCs
Audio Out	Digital	Digital	Digital
Package
Size	3 X 3 mm	2.1 X 1.8 mm	10 x 10 mm