參數(shù)資料
型號(hào): AK4648EC
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: Stereo CODEC with MIC/HP/SPK-AMP
中文描述: 立體聲編解碼器麥克風(fēng)/惠普/胰腎聯(lián)合移植腺苷
文件頁數(shù): 58/119頁
文件大小: 1272K
代理商: AK4648EC
[AK4648]
MS0625-E-01
2007/06
- 58 -
Soft Mute
Soft mute operation is performed in the digital domain. When the SMUTE bit goes to “1”, the output signal is attenuated
by
(“0”) during the cycle set by the DVTM bit. When the SMUTE bit is returned to “0”, the mute is cancelled and the
output attenuation gradually changes to the value set by the DVL/R7-0 bits during the cycle set of the DVTM bit. If the
soft mute is cancelled within the cycle set by the DVTM bit after starting the operation, the attenuation is discontinued and
returned to the value set by the DVL/R7-0 bits. The soft mute is effective for changing the signal source without stopping
the signal transmission (Figure 37).
SMUTE bit
Attenuation
DVTM bit
(1)
DVL/R7-0 bits
-
DVTM bit
GD
(2)
GD
(3)
Analog Output
Figure 37. Soft Mute Function
(1)
The output signal is attenuated until
(“0”) by the cycle set by the DVTM bit.
(2)
Analog output corresponding to digital input has the group delay (GD).
(3)
If the soft mute is cancelled within the cycle set by the DVTM bit, the attenuation is discounted and returned to the
value set by the DVL/R7-0 bits.
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