HE4000 Encoding System
Using a Remote Unit
HE4000 Remote Command Descriptions
Remote Command
Parameter
Range
Factory
Default
Description
AE.<
port
> SRATE
<port> is A,B, C or D
32
44.1
48
48 Ksps
Audio sample rate: determines how often the
HE4000 samples the analog waveform during the
audio analog to digital conversion process.
This command is query-only for digital audio input
ports; it is both set and query for analog audio input
ports.
AE.<
port
> SOURCE
<port> is A,B, C or D
AESEBU
Embedded
Test
Analog
AESEBU
Audio source options available will depend on
compression type.
● AESEBU – all compression types
● Embedded – only available if video source is
HDSDI or SDI AND Compression types selected
are MPEG Compression or AC-3 Compression.
● Test -1 khz tone. Only available if Compression
type MPEG Compression or AC-3 Compression is
selected.
● Analog – Only available for Port A. Only available
with MPEG Compression type.
AE.<
port
> OUTRES
<port> is A,B, C or D
16BIT
20BIT
24BIT
24BIT
Depending on Compression type determine
availability and if it is read only or can be changed.
● 16BIT – 16bits, available in all Compress type
modes.
● 20BIT – 20bits, available in all Compress type
modes
● 24BIT – 24bits, not available for Dolby E only
Dolby E is read only.
AC3 pass through is not affected by any changes
to this parameter.
AE.<
port
>
ER_PROTECT
<port> is A,B, C or D
ON/OFF
ON
Sets MPEG error protection mode.
Available with MPEG compression type only.
AE.<
port
>
COPYRIGHT
<port> is A,B, C or D
ON/OFF
ON
MPEG copyright flag in stream
Available with MPEG compression type and AC-3
compression type only.
AE.<
port
> ORIGINAL
<port> is A,B, C or D
ON/OFF
ON
MPEG original flag set in stream
AE.<
port
> MPEG
EMPHASIS
<port> is A,B, C or D
None,
50_15_us,
CCITTJ.17
NONE
MPEG emphasis
Available with MPEG compression type only.
AE.<
port
>
PES_BLOCKS
1 - 14
1
Some decoders require more than one audio
packet per PES packet. This is provided as an
interoperability mode. Normally no used.
4-10
01-0951-404 Rev B