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Introduction to the Basic Encoder
Page 1-12 Instruction Manual: evolution 5000 E57xx DSNG and DENG Voyager Encoder
ST.TM.E10076.3
Test Tones
The equipment can be configured to generate a test tone for alignment
purposes. Refer to Annex B, Technical Specification for level and
frequency.
Audio Variable Bit-rate
MPEG-1 audio output bit-rate (see Table 1.5) is selectable in the range
32 kbit/s -384 kbit/s (dependent on configuration).
Table 1.5: MPEG-1 Audio Encoding Bit-rates
Bit-rate
(kbit/s)
Single
Channel
Mono
Dual
Mono
Stereo Joint Stereo
32 3 ---
48 3 ---
56 3 ---
64 3333
80 3 ---
96 3333
112 3333
128 3333
160 3333
192 3333
224 - 333
256 - 333
320 - 333
384 - 333
Dolby Digital (AC-3)
Dolby Digital (AC-3) audio encoding incorporates digital normalisation,
preprocessing (filtering), dynamic range compression and the addition of
bit-stream information.
Dolby Pro Logic audio can be carried as stereo audio through the Encoder
as long as a suitably high bit-rate is selected.