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The new year is a time to ponder the past and muse about the future. In the past, nearly each technical device needed to produce broadcast TV cost more than building a new house, was as huge as it was heavy, and made pictures nobody would accept today. About 20 years ago, many analog TV stations were launching their DTV stations. Today, US TV stations are launching ATSC 3.0. Can you imagine what TV broadcasters will be doing in 2042?
In looking back at the brief history of digital audio there are a few salient points that may help us to see where the technology may go in the future.
Here we look at the science of using a matched pair of microphones positioned as a coincident pair to capture stereo sound images.
In the second of the articles in this cloud microservices workflow series, we take a deeper look at how microservices are integrated into workflows using RESTful APIs, as well as reviewing storage deployment and accessibility “on your terms”.
Planning for any kind of live TV broadcasting starts with a ‘what-if?’ list. What if the power source fails? What if a key production person gets sick or hurt? What if broadband internet access becomes unstable? What are the chances for each ‘what-if?’ and what back-up alternatives fit the budget? The list should be as lengthy as it is easy to edit.
The power and flexibility of cloud computing is being felt by broadcasters throughout the world. Scaling delivers incredible resource and the levels of resilience available from international public cloud vendors is truly eye watering. It’s difficult to see how any broadcaster would run out of computing power or storage, even with 4K and 8K infrastructures.
Most live remote outside broadcasts are thoroughly planned by producers and directors who are often too busy to consider potential equipment problems. Technology is an engineering responsibility. Engineers must be ready for any circumstances that threaten to take the show off-script or off-air, from dead wireless mic batteries to unexpected foul weather. In live TV, anything can happen and probably will, usually at the worst possible time.
The audio vectorscope is an excellent tool for assuring quality in stereo sound production, because it makes the virtual sound image visible in the same way that a television vectorscope allows the color signals to be seen.