Adtec digital EN-30 (version 1.02.02) Manual - Manual (Page 23)

Type If the mode is ENCODE, the type
can be set to MPEG, AC3, and
AAC codec. If the mode is set to
PASSTHRU, there is support for
Dolby E, Dolby Digital AC3 and
5.1, PCM (302M), and Linear
Acoustic E2. Dolby Digital is
part of the ATSC A53 spec. with
a stream type of 0x81 and
required for ATSC applications. DD 0x81
MU 0x03
DE
LP
DD 0x06
MU 0x04
AAC-LC
AAC-HEv1
AAC-HEv2 *. ECMD# AMO (0-3)
SEE AMO in API
documentation
Rate Mpeg1Layer2 32-384 kbit/s
AC3 Encode 56 - 640 kbit/s
AAC - 48 - 320 kbit/s
PASSTHRU - Auto-Detects
32 - 640 kbit/s *.ECMD# AMO (0-3)
SEE AMO in API
documentation
Level Audio Level can be set in one-
decibel increments, with a range
of -18 to +8 decibels. Available
only in Encode Mode.
-18 - +8 dB *.ECMD# ALV (0-3)
Sync Audio Sync set the audio sync
offset. The valid range is +/-
800 milliseconds. Non functional
for Musicam Encode
+/- 800 ms *.ECMD# AUS (0-3)
Format Determines the format of the
audio CODEC
STEREO
MONO
DUALMONO
*.ECMD# MCM (0-3)
IFB This is a low latency audio path
for communications to a remote
van or studio using the same
distribution path. It requires a
special IFB receiver or manual
PID selection with a standard
IRD.
Note: There is no PID reference
in the PMT for GHOST
functionality. It is considered a
ghost PID. The IFB PID will not
be lip-sync aligned with video.
OFF
ON
GHOST
SDI Pair Allows the operator to route
embedded audio from SDI input
to the specified audio encoder.
1-8
SDI Clock
Source
The embedded audio clock
source configuration determines
whether to use the embedded
clock phase words or derive
EMBEDDED
VIDEO