Appendix B: Audio Specifications - Harmonic Electra9200 Installation Manual

Appendix B Audio Specifications
This appendix lists the audio specifications for the encoder.
MPEG-1 Layer II Audio
The following table lists the bit rates in Kbps for the sample frequencies of 48 kHz, 44.1 kHz,
and 32 kHz. This table is for MPEG-1 Layer II audio.
Table B–1: MPEG-1 Layer II Audio Bit Rates
Audio Bit
Rate
(Kbps)
32
48
56
64
80
96
1 1 2
1 28
160
192
224
256
320
384
Dolby Digital (AC-3) Audio
The Electra™ 9200 supports the AC-3 5.1 format and two-channel in pass-through mode.
NOTE: Harmonic supports AC-3 pass-through rates of 96 to 640 Kbps, and native AC-3 rates of 56 to
640 Kbps.
© 2015 Harmonic Inc. All rights reserved.
Audio without PCR
44.1 kHz
48 kHz (analog
only)
41.8 38.4
52.2 57.6
62.7 67.2
73.1 67.2
83.6 86.4
104.4 105.6
1 25.3 1 1 5.1
1 35.8 1 34.3
167.1 1 72.7
198.4 201.5
229.8 230.3
271.6 268.7
334.2 335.9
396.9 393.4
Audio Specifications
32 kHz
(analog 48 kHz
only)
34.8 41.8
55.7 52.2
62.7 62.7
69.6 73.1
83.6 94.0
104.4 104.4
1 18.4 1 25.3
1 32.3 1 35.8
167.1 167.1
201.9 208.9
229.8 240.2
264.6 271.6
334.2 334.2
396.9 396.9
80
MPEG-1 Layer II Audio
Appendix B
Audio with PCR
44.1 kHz 32 kHz
(analog (analog
only) only)
38.4 34.8
57.6 55.7
67.2 62.7
76.8 69.6
86.4 90.5
105.6 104.4
1 24.7 1 18.4
1 34.3 1 39.3
1 72.7 167.1
201.5 201.9
239.9 236.7
268.7 264.6
335.9 334.2
403.0 396.9
Electra 9200, Rev O