The table shows approximate values for B30-
20 model.
Without compression
Logarithmic
ADPCM 2-bits
ADPCM 4-bits
Consumption current/recording duration (mA/hours)
5
2 mA/75hr
2 mA/75hr
2.
mA/6
hr
2.3 mA/67hr
8
2.3 mA/67hr
2.6 mA/58hr
3.
mA/
7hr
2.8 mA/53hr
3.0 mA/50hr
3.2 mA/
7hr
3.5 mA/
2hr
3.
mA/
hr
6
3.9 mA/39hr
.
mA/36hr
.7 mA/30hr
.3 mA/33hr
22
3.8 mA/39hr
5.3 mA/28hr
5.7 mA/25hr
5.7 mA/25hr
Compression
Sampling rate
Table 1.
