Grass-valley AMX-1842 User Manual

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AMX-1842 HD/SD 4 AES Embedder
Guide to Installation and Operation
M684-9600-102
November 2011
AMX-1842 Page 1 of 10
AMX-184 2
Description
The AMX-1842 is a high-quality embedder which embeds
up to four 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-1842 is designed for use in the DENSITÉ frame,
with the appropriate double-width rear panel.
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
AES inputs: either 110balanced or 75
unbalanced, depending on rear panel in use
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)
Cards cascadeable to embed 4 groups (16 channels)
24-bit digital audio embedding
Monitor selector for Densité frame monitor switcher
(MSB)
Universal reference signal output for audio DAC
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
data.
FUNCTIONAL BLOCK DIAGRAM
SPECIFICATIONS
VIDEO INPUT
Video Signal:
HD/SD-SDI
SMPTE 292M / SMPTE 259M
(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 AES-3id INPUT
Signal:
AES-3id (SMPTE 276M)
Level:
0.2 to 2.0 Vp-p
Impedance:
75 unbalanced
Cable length:
>400 m
AUDIO AES3 INPUT
Signal:
AES3
Level:
0.2 to 7.0 Vp-p
Impedance:
110
balanced
Cable length
>200 m
AUDIO AES SIGNALS
Sampling Rate:
48kHz synchronous or asynchronous
Dolby-E Rate:
48kHz synchronous
Bits:
24-bit
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Summary of Contents

Page 1 - AMX-184 2

AMX-1842 HD/SD 4 AES Embedder Guide to Installation and Operation M684-9600-102 November 2011 AMX-1842 Page 1 of 10 AMX-184 2 Description The AM

Page 2 - AMX-1842

AMX-1842 HD/SD 4 AES Embedder Guide to Installation and Operation Page 10 of 10 AMX-1842 Electromagnetic Compatibility This equipment has been tes

Page 3 - AMX-1842 Page 3 of 10

AMX-1842 HD/SD 4 AES Embedder Guide to Installation and Operation Page 2 of 10 AMX-1842 AMX-1

Page 4 - AMX-1842 Menu

AMX-1842 HD/SD 4 AES Embedder Guide to Installation and Operation AMX-1842 Page 3 of 10 INSTALLATION Make sure the following items have been ship

Page 5 - AMX-1842 Page 5 of 10

AMX-1842 HD/SD 4 AES Embedder Guide to Installation and Operation Page 4 of 10 AMX-1842 AMX-1842 Menu HD SD[ 10,…, 14, …, 20]in 525[ 7, …, 16, …,

Page 6 - Page 6 of 10 AMX-1842

AMX-1842 HD/SD 4 AES Embedder Guide to Installation and Operation AMX-1842 Page 5 of 10 [] Parameter to select ** Press Select pushbutton to

Page 7 - Status bar

AMX-1842 HD/SD 4 AES Embedder Guide to Installation and Operation Page 6 of 10 AMX-1842 USER PRESET menu LOAD: Selects which predefined parameter

Page 8 - Metadata

AMX-1842 HD/SD 4 AES Embedder Guide to Installation and Operation AMX-1842 Page 7 of 10 iControl Interface The AMX-1842 can be operated using Mi

Page 9 - AMX-1842 Page 9 of 10

AMX-1842 HD/SD 4 AES Embedder Guide to Installation and Operation Page 8 of 10 AMX-1842 AES detected: indicates AES audio on the indicated AMX-1842

Page 10 - CONTACT MIRANDA

AMX-1842 HD/SD 4 AES Embedder Guide to Installation and Operation AMX-1842 Page 9 of 10 The RS-422 tab allows the embedding of an RS-422 serial d

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