6
Recording time depending on the modication (sampling rate 8
kHz, 2 bits ADPCM)
Index Recording time Flash memory
capacity
1120 1120 min (18.6 h) 128 Mbytes
2240 2240 min (37.3 h) 256 Mbytes
4480 4480 min (74.6 h) 512 Mbytes
8960 8960 min (149.3 h) 1 Gbytes
17920 17920 min (298.6 h) 2 Gbytes
35840 35840 min (597.3 h) 4 Gbytes
53760 53760 min (896 h) 6 Gbytes
Without compression (linear), sampling rate 22 kHz, 220 kbits/sec, k=13.8
Without compression (linear), sampling rate 16 kHz, 160 kbits/sec, k=10
Without compression (linear), sampling rate 11 kHz, 110 kbits/sec, k=6.9
Without compression (linear), sampling rate 8 kHz, 80 kbits/sec, k=5
Without compression (linear), sampling rate 5.5 kHz, 55 kbits/sec, k=3.4
Logarithmic compression (u-Law), sampling rate 22 kHz, 176 kbits/sec,
k=11.2
Logarithmic compression (u-Law), sampling rate 16 kHz, 128 kbits/sec, k=8
Logarithmic compression (u-Law), sampling rate 11 kHz, 88 kbits/sec, k=5.6
Logarithmic compression (u-Law), sampling rate 8 kHz, 64 kbits/sec, k=4
Logarithmic compression (u-Law), sampling rate 5.5 kHz, 44 kbits/sec, k=2.8
Modied 4-bit ADPCM, sampling rate 22 K Hz, 88 kbits/sec, k=5.6
Modied 4-bit ADPCM, sampling rate 16 K Hz, 64 kbits/sec, k=4
Modied 4-bit ADPCM, sampling rate 11 K Hz, 44 kbits/sec, k=2.8
Modied 4-bit ADPCM, sampling rate 8 K Hz, 32 kbits/sec, k=2