DIR911T User Guide
44
Method Description
PCM Linear Data is recorded as 16-bit linear PCM samples. This option provides
the best fidelity but also consumes the most space.
A-Law This option records the samples as A-law encoded values. This
provides a 2 to 1 compression ratio.
µ-Law This option records the samples as µ-law encoded values. This
provides a 2 to 1 compression ratio.
G726 32Kbps The ITU’s G.723 32Kbps flavor of ADPCM. This option provides a
4 to 1 compression ratio.
GSM 6.10 The GSM 6.10 Voice Codec (used in the European cellular telephone
network). This option provides a 9.96 to 1 compression ratio.
Table 4: Compression Methods
Recording Priority
The recording priority activity setup screen is shown in Figure #24.
Line #1
Recording: MIX together
DONE
Figure 24: Recording Priority Screen
This screen is used to decide how to handle the telephone line and auxiliary input
sources. The options are: