Model 7910 HD Upconverter And Cross Converter
MODULE OVERVIEW
The 7910 module is an SD to HD Upconverter with a standard definition SDI input and
four HD SDI outputs. The 7910 also provides Cross Conversion when an HD signal is
connection to its SD In BNC. The module is excellent for on-air use or in an HD island, in
a signal ingest installation, or in a production application. Refer to the functional block
diagram for the module on the next page.
Sophisticated Adaptive Noise Reduction ensures delivery of a pristine output that is
excellent for use in broadcast. Picture Detail Enhancement is used to recover information
that has been lost due to poor frequency response upstream. Different aspect ratio conver-
sion choices are available for selection on the HD output.
Input standard and frame rate are auto-detected. The 7910 automatically adjusts from SD
to HD color space and gamma. The built-in Proc Amp provides adjustment of signal
parameters with controls for Video Gain, Chroma, Pedestal, and Hue.
HD closed captioning is carried in data packets in the vertical interval ancillary data
space. The 7910 properly translates between traditional SD captioning (line 21 or 23) and
HD caption data so that closed captioning content is converted transparently between
video standards and formats.
The converted output is timeable with respect to the reference input. When converting to
film rate (1080sF/23.98) formats, 3:2 pulldown cadence is automatically detected and
backed out when present in the input. 3:2 detection can be enabled and disabled.
One of three types of audio submodules can be installed on the main circuit board:
• The 8415 is a 8 channel audio submodule with AES I/O that provides management
of embedded audio in the processing path, or supports audio embedding/disembedding
alongside the video processing elements. Embedded audio is safely bypassed
around the video frame store with lip sync preserved. Level adjustments and
channel shuffling are accessed through the built-in audio mixer. All audio
processing is performed at full 24 bit resolution by a digital signal processor (DSP).
• The 7610 audio submodule provides carriage of up to eight channels of embedded
audio through the format conversion process. Embedded audio in the input signal
is delayed to match the video delay and preserve lip sync. The delayed content is
reinserted in the video output. No level adjustment or channel swapping is
provided.
• The 7615 audio submodule also provides processing for signals with eight channels
of embedded audio. It offers the same processing and AES I/O as the 8415 plus the
ability to decode Dolby-E signals.
The 7910 can be configured locally or controlled and configured remotely with Avenue
Touch Screens, Express Panels, or Avenue PC Software. Alarm generators, configurable
user levels, module lock out, and customizable menus are just some of the tools included
in the Avenue Control system.
The on-board CPU can monitor and report module ID information (slot location, software
version and board revision), power status, and ancillary data status to the optional frame
System Control module. This information can be accessed by the user or set to register an
alarm if desired using the remote control options available.
7910-2
