I know that commercial flights are not allowed fly at super-sonic speeds. If the sound is a few second behind the aircraft, hasn’t that plane broken the sound barrier?
If a commercial airplane is directly above you, it is probably 5 miles up. If you are looking at it from some other angle, it [...]
I’ve got an old Noise Reduction Unit used to remove background noise when transferring records to tapes. Can a noise reduction unit be used to reduce background noise from a mic at the moment of recording?
Here is some information:
TEAC AN-60W
NOISE REDUCTION UNIT
100-240VAC, 50/60Hz, 2.5W
The Teac appears to be a Dolby encoder/decoder [...]
I want top quality with excellent sound.
The "best" is extremely expensive:
http://www.sweetwater.com/store/detail/ADL600
If you want something affordable:
http://www.sweetwater.com/store/detail/TubePRE
These types do not connect to your computer directly - you probably need a USB interface if you want to record to your computer:
http://www.sweetwater.com/store/detail/US144/
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Didn’t notice it was that loud when I was there but if you really want them they are available at most hardware stores or gunshops.
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I have a 20 by 40 front yard that has a 3 foot terrace across the front from street level. City codes say a fence can’t be higher than 3 foot (six feet total from street level). Any ideas what I can plant or install to give us more privacy and less street [...]
I have a 20 by 40 front yard that has a 3 foot terrace across the front from street level. City codes say a fence can’t be higher than 3 foot (six feet total from street level). Any ideas what I can plant or install to give us more privacy and less street [...]
What plants, shrubs or trees are best for noise reduction? I need to lower traffic noise coming into my garden. Any ideas or websites you could guide me to? Thanks.
If you live in the West, Oleanders are the best shrubs and Eucalyptus trees will do a great job muting traffic noises.
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So, How did the Thrust SSC break the sound barrier?
http://www.thrustssc.com/thrustssc/contents_frames.html
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Also, what is that water vapor ring that forms around the jet when it does break?
breaking the sound barrier is when the vehicle exceeds the speed at which sound travels. The cone of vapor you see is the existing moisture in the air being condensed by pressure wave created by the vehicle creating a [...]