參數(shù)資料
型號: TAS3001C
廠商: Texas Instruments, Inc.
英文描述: Stereo Audio Digital Equalizer
中文描述: 立體聲音頻數(shù)字均衡器
文件頁數(shù): 10/56頁
文件大?。?/td> 417K
代理商: TAS3001C
14
1.7
High-Precision, Second-Order Biquad Filter Structure
The TAS3001 has six cascaded biquad filters for the left and right channels to permit parametric equalization and
filtering of the input signal. Each biquad is able to specify a wide variety of first- and second-order filter types, including
high-pass, low-pass, band-pass, band-block, notch, and all-pass filter types. Examples of a few of the filters that can
be implemented by the TAS3001 shapes are illustrated in Figure 12 though Figure 16.
20
15
10
5
0
5
10
f Frequency Hz
A
ATTENUATION
vs
FREQUENCY
100
1k
10k
Figure 12. Examples of High-Pass Filters
Figure 13. Examples of Equalization Filters
15
10
5
0
5
10
15
f Frequency Hz
A
ATTENUATION
vs
FREQUENCY
100
1k
10k
The biquad structure is of the form:
H(z)
b0
1
b1Z–1
a1Z–1
b2Z–2
a2Z–2
Coefficients are downloaded to the TAS3001 registers in 4.20 format.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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