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RE: Function "Too late recording start"

Posted by Chip647 (A) on February 28, 2017 at 05:14:08

In Reply to: Function "Too late recording start" posted by uikleine@cyf-kr.edu.pl on February 28, 2017 at 02:37:19:

"Computerized delay

Eventide BD600 Broadcast Delay
In 1977, the capacity of RAM (random-access memory) had reached 16 kb (kilobits) per chip, enough to think about using computerized digital audio means to create a sufficient delay for content deletion. By storing audio digitally, it was possible to move a "virtual tape head" along recorded audio. Eventide, Inc. created the first digital broadcast delay for this purpose. The device (known colloquially as a "dump box") had a large "DUMP"/"DELAY DUMP" button that would bring the delay to zero, thus removing unwanted segments. In addition to this convenience, it would also "rebuild" the delay time by unnoticeably lengthening the normal pauses in spoken material. Thus, a minute or so later, the broadcaster would again have full delay, often leaving the listener unaware that material had been deleted.

In modern systems, a profanity delay can be a software module manually operated by a broadcast technician that puts a short delay (usually thirty seconds) into the broadcast of live content. This gives the broadcaster time to censor the audio (and video) feed. This can be accomplished by cutting directly to a non-delayed feed, essentially jumping past the undesired moment (something that can be quite jarring to a viewer or listener). In other cases, dedicated hardware units similar to the original digital unit but with improved quality and editing capability can be used. These products can even "build up" delay with difficult program material such as music. Alternatively, a bleep noise or other substitute sound can be inserted. This is more difficult to do with live content, however, and more often appears on recorded material."

• https://en.wikipedia.org/wiki/Broadcast_delay   (Open in New Window)

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