Questions tagged [audio]

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65 views

From where do apps that listen to “Kennedy Space Center Communications” get their audio feed?

Watching the Everyday Astronaut video The best places to watch a rocket launch in Florida! near the end there are mentions of some "viewer tweets" including one that caught my eye. Download a ...
6
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1answer
827 views

Why were the two Quindar tones so close in frequency and not apodized?

This and this answer explain the function of the Quindar_tones within Apollo mission comms. At 2525 and 2475 HZ they are only 50Hz or 2% apart in frequency, and the duration is 250 ms or 0.25 seconds....
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1answer
795 views

What purpose serve the audible “bip” on apollo radio communications? [duplicate]

When looking at moonwalk videos, we can hear bips. What are those bips? Why are there bips? Do this bips still exist in nowaday space missions?
26
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1answer
3k views

Why were there beeps punctuating the voice communications during missions such as Apollo?

Voice communication between ground and spacecraft during missions such as Apollo seemed to be always punctuated by beeps. What was the origin of these beeps? Were they some sort of unavoidable ...