WM8978 Wolfson Microelectronics Ltd., WM8978 Datasheet - Page 71
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WM8978
Manufacturer Part Number
WM8978
Description
The WM8978 is a low power, high quality stereo codec designed for portable applications such as Digital still camera or Digital Camcorde
Manufacturer
Wolfson Microelectronics Ltd.
Datasheet
1.WM8978.pdf
(108 pages)
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Preliminary Technical Data
w
Figure 38 u-Law Companding
Figure 39 A-Law Companding
120
100
120
100
80
60
40
20
80
60
40
20
0
0
0
0
0.1
0.2
0.2
0.3
u-law Companding
A-law Companding
0.4
Normalised Input
0.4
Normalised Input
0.5
0.6
0.6
0.7
0.8
0.8
PTD Rev 2.6 November 2005
0.9
1
1
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
WM8978
71