DVSR CODEC
17
MX802
5 Application – Codec Performance
+10
0
Gain (dB)
0 dB
-10
Input 0 dB Ref. = 308 mVrms
Input Level = -20 dB
Sample Rates = 16, 32 or 63 kbps
-20
-30
-40
-50
-60
0.2
1
2
3
4
5
6
Frequency (kHz)
Figure 5: Typical Overall;; (Encoder + Decoder) Frequency Response
SINAD
(dB)
64 kbps
50 kbps
30
20
10
32 kbps
25 kbps
Input Frequency = 1.0 kHz
0 dB ref. = 308 mVrms
Input Level (dB)
-6
-30
-24
-18
-12
0
Figure 6: SINAD vs. Input Level at Different Sample Rates
ꢀ1998 MX-COM, Inc.
www.mxcom.com Tel: 800 638 5577 336 744 5050 Fax: 336 744 5054
Doc. # 20480033.008
4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA
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