Questions tagged [audio]

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3 votes
0 answers
99 views

Looking for a live audio-only stream of NASA TV or JSC/ISS loops

I recently installed an old iMac G3 machine just for the fun of it, but it doesn't play YouTube videos for obvious reasons, so I can't use it to play NASA TV in any form. However, audio streams is ...
Claudiu's user avatar
  • 79
3 votes
1 answer
112 views

Transmission of video and audio signals

I know this is a silly question.In july,2019 NASA's insight captured sound by wind gusts.Here is a link of video that shows the movement of robotic arms and sound of wind on mars. ...
Auberron's user avatar
  • 1,496
9 votes
1 answer
332 views

What's the "big monstrosity" mentioned by the Apollo 11 crew?

Mission day three, sitting in lunar orbit, the LM docked to the CM, and this conversation happens: What are they talking about? "Little fluorescent circles"? "All the engineering that went into ...
Organic Marble's user avatar
1 vote
0 answers
374 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 ...
uhoh's user avatar
  • 148k
3 votes
1 answer
203 views

How many non-crewed deep-space destinations have had intentional broadcasts of music from Earth?

@Ingolifs's answer to the question What was the last message to Opportunity today (13 Feb '19)? quotes ArsTechnica's Opportunity did not answer NASA’s final call, and it’s now lost to us: Late ...
uhoh's user avatar
  • 148k
6 votes
1 answer
323 views

Can I obtain the audio of president Eisenhowers message coming to me from a satellite circling in outer space?

I remember hearing a recording of this speech some time ago. However searching for it again has been difficult, which led me to believe that I probably heard a recreation from someone else. In this qz....
Michael Kunst's user avatar
7 votes
4 answers
2k views

How many stations could one hear with an AM/FM radio in front of the ISS' cupola window?

Propagation of AM and FM radio signals up into the sky would behave differently than propagation along the surface of the Earth. As a Gedankenexperiment, if you were on the ISS and had an AM/FM radio ...
uhoh's user avatar
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9 votes
2 answers
2k 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....
uhoh's user avatar
  • 148k
0 votes
1 answer
1k 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?
Manu H's user avatar
  • 3,770
30 votes
1 answer
4k 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 ...
Anthony X's user avatar
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