參數(shù)資料
型號(hào)： CXD2508AQ
廠商： Sony Corporation
元件分類： 數(shù)字信號(hào)處理
英文描述： CD Digital Signal Processor
中文描述： CD數(shù)字信號(hào)處理器
文件頁(yè)數(shù)： 45/49頁(yè)
文件大?。?/td> 858K
代理商： CXD2508AQ
– 45 –
CXD2508AQ/AR
4-4. Description of Functions
No-Sound Data Detection
The no-sound data detection function detects low-level data on both the left and right channels in audio data
from the 1Fs 48-bit slot and outputs a zero detection signal when that data continues unchanged for a certain
period of time.
The audio data is in two's complement format and data in which the upper 12 bits are all "0" or all "1" is
regarded as low level data. When this data continues unchanged for 32,768 samples (743ms when Fs =
44.1kHz), the zero detection signal is output. In other words, once a certain period of time during which low-
level data is detected elapses, the signal is regarded to be in the no-sound state.
The zero detection signal is output from ZEROL (left channel) and ZEROR (right channel) pins. The zero
detection output timing is shown in Fig. 4-5.
Lch Rch
32,768th sample of
low-level data
32,768th sample of
low-level data
LRCK
ZEROR and ZEROL
LRCK
ZEROL
ZEROR
Lch Rch
Lch Rch
Lch Rch
Lch Rch
Lch
Low-level data
Low-level data
Low-level data
Low-level data
Low-level data
Sound data
Sound data
Low-level data
Low-level data
Fig. 4-5. Zero Detection Output Timing
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CXD2508AQ/AR 制造商:未知廠家 制造商全稱:未知廠家 功能描述:CD Digital Signal Processor
CXD2508AR 制造商:SONY 制造商全稱:Sony Corporation 功能描述:CD Digital Signal Processor
CXD2510Q 制造商:SONY 制造商全稱:Sony Corporation 功能描述:CD Digital Signal Processor
CXD2512R 制造商:未知廠家 制造商全稱:未知廠家 功能描述:C-MOS ESP CONTROLLER FOR CD
CXD2513AR 制造商:未知廠家 制造商全稱:未知廠家 功能描述:C-MOS ELECTRONIC ZOOMING/ELECTRICAL IMAGE STABILIZER
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