參數(shù)資料
型號: MSM7731-02
廠商: OKI SEMICONDUCTOR CO., LTD.
元件分類: Codec
英文描述: Dual Echo Canceler & Noise Canceler with Dual Codec for Hands-Free
中文描述: 雙回聲消除器
文件頁數(shù): 40/43頁
文件大?。?/td> 247K
代理商: MSM7731-02
40/43
Semiconductor
MSM7731-01
Noise Attenuation
There is a trade-off between noise attenuation and sound quality. In other words, increasing
the noise attenuation deteriorates sound quality, and decreasing the noise attenuation improves
sound quality. The following three types of noise attenuation levels can be selected with this
device.
Noise attenuation
approx. 13 dB (typ.)
approx. 10 dB (typ.)
approx. 9 dB (typ.)
Sound quality
Typ.
Better than Type 1
Better than Type 2
Type 1
Type 2
Type 3
Note: Only type 1 is compatible with pin control.
Memory address: 01C8H
Data to be stored:
Data
2000H
3333H
4666H
Type 1
Type 2
Type 3
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