Article View: sci.space.shuttle
Article #3813Re: Poor Shuttle Audio
From: grungy (John F. Gladu)
Date: Thu, 21 Jan 1993 19:07
Date: Thu, 21 Jan 1993 19:07
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In article <1993Jan20.213417.15223@nntpd.lkg.dec.com>, fisher@decwin.enet.dec.com () wrote: > In article <CKS002-200193091122@il02-200-8.comm.mot.com>, CKS002@email.mot.com > (Ken Sommer) writes: > |>Given the high quality of audio via satellites for normal > |>phone calls, why is the audio from the shuttle still so poor? [true stuff deleted] > 3) Microphones are either built into a helmet or strapped around their heads > and not optimally placed for voice pickup. (Do they use bone conduction or > something?) No bone conduction. They tried it. It was worse. Most of the mikes that I've seen are actually transducers buried deep in a solid lump with a thin plastic tube carrying the sound waves to it - not the best technology - but reliable... Crewmembers are pretty bad about mike placement as well. bcnu - grungy (John Gladu) former Space Suit Technician
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Path: arc1-ca.pugleaf.net!sparky!uunet!cs.utexas.edu!bcm!NewsWatcher!user From: jgladu@bcm.tmc.edu (grungy (John F. Gladu)) Newsgroups: sci.space.shuttle Subject: Re: Poor Shuttle Audio Followup-To: sci.space.shuttle Date: 21 Jan 1993 19:07:19 GMT Organization: Systems Support Center, BCM Lines: 20 Distribution: world Message-ID: <jgladu-210193130535@128.249.27.63> References: <CKS002-200193091122@il02-200-8.comm.mot.com> <1993Jan20.213417.15223@nntpd.lkg.dec.com> NNTP-Posting-Host: j.ssctr.bcm.tmc.edu