3G-AMA Mini-Converter v1.1r1 4
www.aja.com
Chapter 1 – Introduction
Overview
The 3G-AMA is a triple rate 4 channel analog audio embedder/disembedder.
Analog audio can be embedded and disembedded simultaneously. The
embedder is user selectable, on a channel pair basis, to either pass input audio
or embed input audio from the provided breakout cable. The ability to pass
incoming ancillary data makes it possible to embed up to 16channels of audio by
cascading four units. Horizontal ancillary data (HANC) packets in compliance with
SMPTE 291M can also be dropped at the input. Analog audio levels are selectable,
via USB connection and Mini-Config software.
The 3G-AMA automatically detects and configures to the input video standard.
3G-SDI formats up to and including 2048x1080p 60 YCbCr 4:2:2 are supported
(see "
"Appendix A Specifications" on page 19
for a complete listing). SDI video
loops through the device with minimal delay. Loop through embedded SDI audio
supports up to 16 channels.
NOTE: 2048x1080p/psf 29.97 and 30 formats support a maximum of 8 channels
embedded audio.
Features
• Triple rate 3G, HD, and SD-SDI Embedder/Disembedder
• 4 Channel Balanced Analog Audio I/O
• Supplied breakout cable for balanced analog audio - XLR connectors.
• 1 x BNC 3G-SDI input
• 1 x BNC 3G-SDI output
• Setup via DIP switch or PC/Mac using USB port and supplied USB cable (Mini-
Config configuration software application available via download from AJA
website)
• Uses universal input +5V power supply AJA model DWP-U-R1 (included)