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Audio generators, Multiple timecode generators – Ensemble Designs 9400 3G Test Signal and Sync Pulse Generator User Manual

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Avenue 7400 and 9400 - Page 6

Model 7400 HD/SD and Model 9400 3G/HD/SD Sync Pulse Generator and Test Signal Generator

Audio Generators

The 7400 and 9400 provide extensive support for analog and digital audio. Because all of the video

outputs can be locked to a common time base, the AES digital audio outputs are always synchronous

with all of the video outputs – regardless of format. Multiple tone generators make it easy to identify

multi-channel content. This bitstream will be included in the set of signals that can be embedded into

the test signal outputs.

The audio section of each generator supports sixteen audio channels. The content of each channel is

independently programmable. Choices include adjustable frequency tone generators, tone sweeps,

Silence, Timecode, Audio Clip playback from Secure Digital Card, and the external AES input. Left/Right

Channel ID that synchronizes to the Cyclops feature can also be selected.

All sixteen of these channels can be embedded in the SDI outputs. Each AES output can select

from any of the 8 pairs that make up these 16 channels. Similarly, the stereo analog output of each

generator can be driven from any of these audio signal pairs.

Multiple Timecode Generators

Multiple timecode generators make the 7400 and 9400 convenient for post applications. Timecode

is delivered as LTC (both 75 Ohm BNC and 110 Ohm Balanced), VITC, and DVITC. One generator

can be configured to produce 525/59.94 drop frame timecode while the other generator is making

1080sF/23.98.

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