Grass Valley AMX-1881 User Manual
AMX-1881 HD/SD 8 AES Embedder
VIDEO INPUT
Video Signal:
HD/SD-SDI
(see list of supported formats below)
Cable Length:
up to 110/250 meters of Belden 1694A
Return Loss:
>15 dB, 5 MHz to 1.485 GHz
AUDIO AE S -3id INPUT
Signal:
AES-3id (SMPTE 276M)
Level:
0.2 to 2.0 Vp-p
Impedance:
75 Ω unbalanced
Cable length:
>400 m
AUDIO AES SIG NALS
Sampling Rate:
48kHz synchronous or asynchronous
Dolby-E Rate:
48kHz synchronous
Bits:
24-bit
88 u ct o a oc ag a
REMOTE
CONTROL
µController
REF
URS4D
Data
Processor
/ Metadata
Insertion
2
3
4
1
LTC IN
AES IN
HD/SD-
SDI IN
OSC
Test
Signals
1
2
HD/SD-
SDI OUT
MSB
Selector 8x1
1
RS422
GPI
1
2
SRC
SRC
SRC
SRC
6
7
8
5
SRC
SRC
SRC
SRC
Selectable
delay and
level
Guide to Installation and Operation
M685-9900-106
November 2011
AMX-1881
Description
The AMX-1881 is a high-quality embedder which embeds
up to eight AES 24-bit 48 kHz digital audio signals into a
single HD/SD serial digital video signal. It includes audio
and video signal presence detection and reporting, and
local or remote configuration and control. A unique feature
is its ability to embed time code, a serial RS-422 data signal
and two GPI status signals into the video signal. The card
has built-in audio tone, time code and video color bar test
signals.
The AMX-1881 is designed for use in the DENSITÉ frame.
Video - Features
• Serial HD/SD-SDI input with automatic equalization for
up to 110/250 meters of cable.
• Automatic detection of video input format
• Automatic detection of input video loss and switchover
to local black for continuity of embedded audio.
Audio - Features
• Sample rate conversion for asynchronous AES inputs
• Audio input channel gain selectable from -96dB to
+12dB by 0.5dB steps
• Audio groups insertion/pass-through/delete
• Selectable audio delay of up to 3 frames in ½ frame
steps
• Left/Right channels swappable for each AES input
• Automatic mute on AES error
• Selectable routing of AES signals to audio groups
• Dolby-E compatible (48kHz synchronous)
• 24-bit digital audio embedding
• Monitor selector for Densité frame monitor switcher
(MSB)
Embedding Other Signals - Features
• Linear Time Code (LTC) embedding
• RS-422 serial data input for embedding as ANC data.
• Sampling of two GPI inputs for embedding as ANC
• AES inputs: either 110 Ω balanced or 75 Ω
data.
unbalanced, depending on rear panel in use
FUNCTIONAL BLOCK DIAGRAM SPECIFICATIONS
AMX-1881 Page 1 of 19
…..(continued)
SMPTE 292M / SMPTE 259M
AMX-1881 HD/SD 8 AES Embedder
SPECIFICATIONS (cont’d)
LTC SIGNAL
Signal:
LTC per SMPTE 12M
Impedance:
< 10kΩ (bridging 600Ω) unbalanced
Level:
0.3 to 5Vp-p
VIDEO OUTPUT
Video Signal:
HD/SD-SDI
(Proprietary DID)
Return Loss:
>15 dB up to 1.485 GHz
Wideband Jitter:
As per SMPTE-259M-C and 292M
ANC SERIAL DATA INPUT
Signal:
RS-422
Level:
300 mVpp (min)
Rate:
38.400 or 115.200 bauds
ANC GENERAL PURPOSE INTERFACE (GPI) OUTPUT
Signal (2):
Contact closure (opto-isolated),
Level:
True = 0 to 0.8 V (max.)
Maximum input voltage = ±5.5 V
Rate:
DC to 250 Hz
PROCESSING PERFORMANCE
Signal Path:
10-bit video / 24-bit audio
Video Delay:
HD: 4.5 µs / SD: 11.5 µs
Audio Processing
Delay:
875 µs audio insertion delay ‡‡
Audio Delay:
Up to 3 video frames (1/2 frame steps)
LTC Delay:
Up to 3 video frames (one frame steps)
RS-422
max 500 µs ‡‡
GPI
Processing delay:
4 video lines ‡‡
Test Signals:
Video - color bars 100%
23:59:00:00
Power:
7 W
Note ‡‡: Applicable to combinations of this card and ADX-
1881.
List of supported formats:
1920 x 1080/23.98/PsF
Select
Status
Status LED
SELECT button
AMX-1881
AMX-1881Breakout
Panel
AMX-1881-75-DRP
Guide to Installation and Operation
AMX-1881 Front card edge (Note: female 15-pin connectors on both panels)
AMX-1881 Rear Connector Panels
(SMPTE 292M / SMPTE 259M)
Audio embedded per
SMPTE 299M / SMPTE 272M
LTC embedded as
ATC/DVITC
(SMPTE RP188/SMPTE 266M)
RS-422 and two GPIs embedded
as ANC data per SMPTE 291M
common ground
Processing delay:
Audio - 1 kHz tone (R steady, L pulsed)
-18dBFS (EBU R49, R68)
LTC – 10 second loop starting at
HD-SDI formats :
1920 x 1080/59.94/I
1920 x 1080/50/I
1920 x 1080/29.97/P
1920 x 1080/25/P
1920 x 1080/24/P
1920 x 1080/23.98/P
1920 x 1080/29.97/PsF
(detected as 1920 x 1080/59.94/I)
1920 x 1080/25/PsF
(detected as 1920 x 1080/50/I)
1920 x 1080/24/PsF
1280 x 720/59.94/P
1280 x 720/50/P
SD-SDI formats :
525
625
Page 2 of 19 AMX-1881
REPORT
COLOR (F=flashing)
SERIAL
GPI G Y R FR
No errors
No signal
No rear
Test mode
A M X - 1 8 8 1
A LN O S I G N
INSTALLATION
Make sure the following items have been shipped with your
AMX-1881. If any of the following items are missing,
contact your distributor or Miranda Technologies Inc.
* AMX-1881 HD/SD 8 AES Embedder
* AMX-1881 -75-DRP rear panel
* AMX-1881 breakout panel
* Densité-ext-mount external mounting bracket (one per
frame)
The AMX-1881 and its associated rear connector panel
must be mounted in a DENSITÉ frame. It is not necessary
to switch off the frame’s power when installing or removing
the AMX-1881. See the DENSITÉ Frame manual for
detailed instructions for installing cards and their
associated rear panels.
OPERATION
Overview
The DENSITÉ frame incorporates a central controller card,
located in the center of the frame, which is equipped with
an LCD display and a control panel. The controller handles
error reporting and local and remote control for all cards
installed in the frame. The display and con trol pane l are
assigned to the card in the frame whose SELECT button
has been pushed.
Status Monitor LED
The status monitor LED is located on the front card-edge of
the AMX-1881 module, and is visible through the front
access door of the DENSITÉ frame. This multi-c olor LED
indicates module status by color, and by flashing/steady
illumination, according to the following chart (which also
indicates fault reporting for this card on the DENSITÉ
frame’s serial and GPI interfaces).
: Factory default. User configurable
A “Flashing Yellow” Status LED indicates that the SELECT
button on the front panel has been pushed, and the
controller display and control panel are now assigned to
this card. The LED color assignments for some error
AMX-1881 HD/SD 8 AES Embedder
Guide to Installation and Operation
The AMX-1881 has multiple inputs and outputs, and
making space for all the necessary connectors at the rear
of the frame requires a double-width rear panel.
When a double–width rear panel has been installed, the
AMX-1881 must be installed in the right-most of the two
slots covered by the panel in order to mate with the panel’s
connectors. If it is placed in the wrong slot, the front panel
LED will flash red. Move the card to other slot for correct
operation. No damage will result to the card should this
occur.
In addition, the AMX-1881 requires an external mounting
bracket and breakout panel. The breakout panel is
connected to the rear panel via a multi-condu ctor cab le
fitted with two male connectors. The AMX-1881’s inputs
and outputs occupy both panels.
See the annex at the end of this manual for the
specification of the cable to interconnect the rear panel and
the breakout panel.
conditions can be reconfigured by the user (see the chart
and menu for details).
User Interface
Pushing the SELECT button will cause the on-card
STATUS LED to flash yellow, and the card identification
and the current status will be shown on the controller card’s
display. The STATUS LED will revert to it’s normal state
upon a second push of the button, or after a short delay.
The messages which may appear are shown in the top line
of the menu chart on page 4.
Example :
SELECT button pushed twice when there is no input
signal connected to the rear panel and the LED is
steady red:
Use the local control panel to access the detailed status
report shown in the STATUS menu on page 4.
Operating Parameter Adjustment
The AMX-1881 has operating parameters which may be
adjusted at the controller card interface. After pressing the
SELECT button on the AMX-1881 card, use the keys on
the local control panel (described in the Controller card
manual) to step through the displayed menu and adjust the
parameters. The menus are shown below.
AMX-1881 Page 3 of 19
AMX-1881 HD/SD 8 AES Embedder
HD SD
●
[ 20 BIT, 24 BIT
]
●
●
●
●●NONE/ PRESENT
AES IN
●
●
●
Applies to
●
●
●
●
NONE/ 1234
●
USER PRESET**
SAVE
INPUT S OURCE**
GROUP 1
LTC IN
●
AES IN 1
BITS
16 BIT / 20 BIT / 24 BIT / OTHER
●
AES IN 6
Same as AES IN 1
[ AES IN 1-2, A ES I N 3-4, A ES I N 5-6, A ES I N 7-8, PASS
, DELETE ]
AES IN 4
Same as AES IN 1
NONE / PRESENT
NONE / PRESENT
AES IN 5
Same as AES IN 1
PRESENCE
GROUP 4
STATUS
Same as AES IN 1
AUDIO GROUPS
NO REAR/ NO S IGNAL/ 720p50/ 720p60/ 720p59.94/ 1080p24/ 1080p24sF/ 1080p23. 98/ 1080p23.98sF/ 1080p25/ 1080i50/
1080p29.97/ 1080i59. 94/ 625/ 525
MODE
EMPHASIS
USE
ENCODING
NONE/ 1234
[ AES IN 1-2, A ES I N 3-4, A ES I N 5-6, A ES I N 7-8, PASS, DELETE ]
FOR MAT
4:3_0 / … / 16:9_5
N.I. / 2 CHA NNE L / 1 CHANNE L / P/S /
STEREO
N.I. / NONE / 50 / 15-us / J.17
Same as AES IN 1
[ 1, 2, 3, 4, 5 ]
[ 1
, 2, 3, 4, 5 ]
[ AES IN 1-2, A ES I N 3-4, A ES I N 5-6, A ES I N 7-8, PASS, DELETE ]
16:9_0 / … / 16:9_5
GROUP 3
AES IN 7
AES IN 8
LOAD
GROUP 2
AFD
CONSUMER / PROFESSIONA L
LINEAR PCM / NON P CM
Same as AES IN 1
DELAY
EMBED BITS
CONFIG AES**
SAM PLE RA T E CONV
PHASE INVERT
LEVEL
AES IN 3
Same as AES IN 1
AES IN 1
Same as AES IN 1
Same as AES IN 1
AES IN 4
[MUTE, -95.5 dB, ..., 0 dB
, ..., 12dB]
[MUTE, -95.5 dB, ..., 0 dB, ..., 12dB]
[ OFF, ON ]
[ OFF
, ON ]
AES IN 2
Same as AES IN 1
AES IN 3
Same as AES IN 1
[ OFF, ON ]
LEFT
RIGHT
LOCK
AES IN 2
Same as AES IN 1
LEFT
RIGHT
MUTE L&R
SWAP L&R
[ OFF
, ON ]
[ OFF, ON ]
[ OFF, AUTO ]
AES IN 5
Same as AES IN 1
AES IN 6
AES IN 7
AES IN 8
[ NONE, 0.5 FRAME, 1.0 FRAME, 1.5 FRAME, 2.0 FRAME, 2.5 FRAME, 3.0 FRAME ]
Same as AES IN 1
4:3_0 / … / 16:9_5
[ AES IN 1-2, A ES I N 3-4, A ES I N 5-6, A ES I N 7-8, PASS, DELETE ]
●
●
●
FOR MAT
VLI
PRESENCE
●
●
●
DOLB Y METADATA
NONE/P RESENT
●
●
●
●
●
●
●
Guide to Installation and Operation
AMX-1881 Menu
(continued)…..
Page 4 of 19 AMX-1881
[ 10,…, 14, …, 20] for 525
[ 7, …, 16, …, 22 ] for 625
for 1080 format s
for 720 format s
[12, …, 19] ●
●
[12, …, 19] ●
●
GPI MODE**
●●[ EMBED, USER PRESET ]
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●●●
●●●
●
●
●
●
AUT O BLACK**
[ OFF, ON ]
ANC SIGNALS**
RS-422
SAM PLED GPI 1
[ OFF, ON ]
DVITC
DUPLICATE
[ OFF, TONE ]
INSERTION TYPE
VALU E
SDI IN B LANK CTL
INSERTION LINE
VIDEO TEST
[ OFF, ON ]
AES IN 6
[ OFF, TONE ]
ASPECT RAT I O **
TC LOOP
[ OFF, ON ]
TEST**
AES IN 1
AES IN 3
[ OFF, TONE ]
AES IN 4
[ OFF, TONE ]
AES IN 5
[ LINE 9, LINE 10, …, LINE 25 ]
[ 38.4 Kb, 115 K b]
SAM PLED GPI 2
[ PASS, OV ERWRITE ]
[ PASS, OV ERWRITE ]
[ OFF, TONE ]
[ OFF, TONE ]
[ OFF, TONE ]
CONFI G LTC**
[ NO, YES ]
EMBED
LINE SELECT
MODE
[ OFF, TONE ]
AES IN 2
AES IN 7
AES IN 8
4:3 FORMAT
VLI
OFF
[ NONE, ODD, EVEN ]
[ LINE 9, LINE 10, …, LINE20 ]
METAD ATA LINE
BAUD RAT E
PARITY
DELAY
[ NONE, 1 FR AME, 2 FRAME, 3 FRAME ]
[OFF
, ON]
16:9 FO RMAT
[16:9_0, … , 16:9_5]
[9,10,11, …, 19]
for progres s iv e format only
[9,10,11, …, 19]
FIELD 2
VLI
for inter lac ed format only
AFD
[9,10,11, …, 19]
FIELD 1
[4:3_0, … , 4:3_5]
[OFF, O N]
[ OFF, SERIAL, METADATA ]
AFD
●
●
●
●
●
●
●
AUTO INSERTION
[OFF, O N]
●
●
●
(continued)…..
AMX-1881 HD/SD 8 AES Embedder
Guide to Installation and Operation
AMX-1881 Page 5 of 19
AMX-1881 HD/SD 8 AES Embedder
** Press Select pushbutton to activate selection.
[ ] list of available parameter values.
Underlined values in the parameter value lists are the factory default values, and will be applied when factory default-restore is selected.
[ NONE
, GPI ]
●
●
ALARM REPORT
[ NONE
, GPI ]
[ NONE
, GPI ]
ALAR M LEVEL
[ GREEN
, Y E LLOW, RE D, FLASH RED ]
[ NONE
, GPI ]
NO AES8
ALAR M LEVEL
[ GREEN
, Y E LLOW, RE D, FLASH RED ]
●
●
NO AES5
ALAR M LEVEL
[ GREEN
, Y E LLOW, RE D, FLASH RED ]
ALARM REPORT
[ GREEN, YELLOW, RED
, FLASH RED ]
ALARM REPORT
[ NONE
, GPI ]
●
ALAR M LEVEL
[ GREEN
, Y E LLOW, RE D, FLASH RED ]
ALARM REPORT
[ NONE
, GPI ]
ALAR M LEVEL
[ GREEN
, Y E LLOW, RE D, FLASH RED ]
CONFI G A LARM**
ALAR M LEVEL
NO AES4
ALARM REPORT
ALARM REPORT
ALAR M LEVEL
FA CTORY DEFAULT**
[RESTORE]
NO SIGNAL
NO AES1
NO AES2
NO LTC IN
NO AES6
NO AES7
ALARM REPORT
ALARM REPORT
ALARM REPORT
ALAR M LEVEL
NO AES3
ALAR M LEVEL
ALAR M LEVEL
[ GREEN
, Y E LLOW, RE D, FLASH RED ]
[ NONE
, GPI ]
[ NONE
, GPI ]
[ GREEN
, Y E LLOW, RE D, FLASH RED ]
[ NONE
, GPI ]
[ GREEN
, Y E LLOW, RE D, FLASH RED ]
[ NONE
, GPI ]
[ GREEN
, Y E LLOW, RE D, FLASH RED ]
ALARM REPORT
TEST MODE
ALAR M LEVEL
ALARM REPORT
AMX-1881 :XXX
NO A FD PRESE NCE
NO VLI PRESENCE
ALARM REPORT
ALAR M LEVEL
VERSION
[ GREEN
, Y E LLOW, RE D, FLASH RED ]
[ NONE
, GPI ]
[ NONE
, GPI ]
ALARM REPORT
[ NONE
, GPI ]
ALAR M LEVEL
[ GREEN
, Y E LLOW, RE D, FLASH RED ]
[ GREEN
, Y E LLOW, RE D, FLASH RED ]
●
●
●
●
●
●
●
●
●
●
●
●
●
Guide to Installation and Operation
Page 6 of 19 AMX-1881
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