Appendix F FLEX Decoding Module
Audio Decode Specifications
© 2012 Harmonic Inc.
58
Electra 1000, Version 3.0, Rev M
Table F-4: AC-3 Resource Considerations
Input Format
Audio Input
(into card)
Decoding Mode
Multichannel
DownMix
checkbox
Result
Resource
Usage
Equivalent
AC-3
Mono
Mono
Available
Audio on the
left channel.
Silence on the
right channel.
Stereo
a
Stereo*
Audio on both
channels.
3 x Stereo
Multichannel
No
Audio on the
Center
channel.
Silence on all
others.
3 x Stereo
Stereo
Mon
Available
(irrelevant for
this
decoding
mode)
Audio on the
left channel.
Silence on the
right channel.
Stereo
a
Stereo
Audio on both
channels
Multichannel
No
Audio on both
left and right
channels.
Silence on all
others.
3 x Stereo
AC-3
(continued)
Multichannel
Mono
Available
(must be
enabled for
this
decoding
mode, or an
alarm is
raised and
decoding
stops)
Multichannel
downmix to
Mono on the
left channel.
Stereo
a
Stereo
Audio on both
channels.
Multichannel
No
Audio on both
left and right
channels.
Silence on all
others.
3 x Stereo