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參數(shù)資料
| 型號： | YSS912F |
| 英文描述： | Stratix GX FPGA 25K 16-FBGA |
| 中文描述： | 消費性IC |
| 文件頁數(shù)： | 6/32頁 |
| 文件大?。?/td> | 802K |
| 代理商： | YSS912F |
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2. Movie and music program
Functions for processing the movie and music signals are described here.
The movie and music program can be used in KP2V extended mode.
This LSI presents the features of sound field by using a combination of tone control, surround (initial reflected sound)and surround(Y mersion).
The tone control determines frequency characteristics of the sound field.
Initial reflected sound synthesis determines extent and depth of sound field to characterize a surround environment(concert hall and stadium).
Y mersion surround determines size and extent of reverberation.
Function
Description
Control register
Coefficient register
De-emphasis
De-emphasizes audio input signal that has been emphasized.
Specifies a sampling frequency and on/off of de-emphasis.
OPR[1]
OPR[7:6]
Tone Control
Controls tone of inputted audio signal in three frequency bands.
Specifies the levels for bass (fc = 200 Hz), treble (fc = 5 kHz), and mid-tone (fc = 1 KHz) after selecting a sampling
frequency.
TCR[7:0]
RVR[3:0]
OPR[7:6]
Surround 1
(Initial reflected
sound)
Applies surround that uses initial reflected sound synthesizing system to audio input signal.
One of four types of surround modes is selected and Output levels for R and L channels are set individually based on the
selected surround mode.
KSR[6:5]
C10,C11,C12
C13,C18,C19
Surround 2
(Y mersion)
Applies Y mersion surround to audio input signal.
One of two types of surround modes is selected and Output levels for R and L channels are set individually based on the
selected surround mode.
KSR[7]
C1A,C1B,C1C
C1D,C01,C04
Soft Mute
Noiseless mute, Specifies on/off.
OPR[3]
Volume
Controls volume.
C02,C06,C09,C0A,
C0E,C0F,C15,C16
C17,C1E,C1F
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