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| Broadcasting's Most Comprehensive Online Buyers Guide |
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Signal Processing and Conversion
Not all signals are what they should be. Analog signals may be noisy or attenuated. Digital signals may need equalization. Often the signal at hand is different than what is needed; analog composite video may need to be converted to serial digital. AES3 may need to be converted to analog for monitoring. Whatever your signal conversion and processing needs, rest assured, products are available to accomplish the task.
Today's chipsets make conversion easier, cheaper and smaller. Form factors have reached sizes so small that self-stick velcro makes a quality mount. For those with needs for a variety of conversion equipment, versatile rackmount frames can be populated with the individual cards that meet each conversion need. Likewise, many modular frames offer a variety of mating back planes that can offer additional inputs/outputs as needed.
When comparing the myriad of products, consider current and future needs. Analog sources within facilities are slowly disappearing, and it is likely that the signal being converted today will not exist tomorrow. Purchasing the right complement of converters will allow facilities to get many years of service from these conversion tools without breaking the budget. Portable units can be installed near the source or destination and later be used as part of a field kit. Modular frames can easily be retrofitted with new cards as legacy format conversions are no longer needed. Although less popular than they were, PCI cards are available that can be used within desktop editing systems. These cards offer a convenient and inexpensive way to convert signals for use with today's non-linear systems.
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