Vistek V6302 HD Audio Processor
September 02, 2005
Buckinghamshire, UK - The Vistek V6302 Advanced Audio Processor is designed to operate as an audio adjunct to Vistek's range of HD Video processing modules, and in that combination, according to the company, can de-embed up to four groups of audio data, mix, swap and delay any individual channels in that data, and then re-embed them.
When fitted with the optional Dolby Decoder module, the unit can also handle Dolby E or Dolby Digital streams. In addition to handling the de-embedded data, the module is designed to also take up to four external AES streams, and can deliver four of them independently of what is re-embedded. Vistek says that this single module has everything needed to re-purpose audio streams, being able to deliver a completely different mix to the original signals.
For less demanding applications, the V1639 is the V6302s smaller sister. It features channel swap, and it can mix up to two AES streams. It's available with either analog or digital inputs and outputs - there's even a version that can handle both.
For audio mux / de-mux applications, Vistek range has over 50 variants. With both copper and fibre optic output/input versions, the company says that issues like transmission length are easily dealt with. Some modules incorporate sophisticated audio processing and delay, while others are designed to be as simple as possible - with just a single channel of embedding.
The correct delay of audio is a real issue for today's broadcasters, and all the modules that Vistek offers with tracking delay were developed to have a sophisticated process to ensure that delay changes occur totally inaudibly. Vistek says this even happens on those HD video modules that have built-in audio handling.
For more information go to:
Vistek
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