WVUncovered: Recording Theory
Sound generation
WVUncovered: Recording Theory
Dynamic microphone needs no batteries
WVUncovered: Recording Theory
Condenser microphone needs batteries or phantom power
WVUncovered: Recording Theory
Microphone sensitivity
Omnidirectional Cardioid
WVUncovered: Recording Theory
Microphone sensitivity
Hypercardioid Cardioid
WVUncovered: Recording Theory
Microphone sensitivity
Shotgun of supercardiod Cardioid
WVUncovered: Recording Theory
Microphone sensitivity
WVUncovered: Recording Theory
Sampling rate
44.1 kHZ(cycles per second)
Twice the highest frequency that a healthy human can hear (22 kHZ)
WVUncovered: Recording Theory
Bit depth(number of divisions per sample). Greater bit depth provides smoother, more accurate sound. 16 bits is the professional radio standard.
WVUncovered: Recording Theory
Graphic representation of sound in Audacity editing program
WVUncovered: Recording Theory
0 dB analog is standard -12 dB digital with peaks no greater than 0 dB
VU (analog) and Digital meters register average recording levels
WVUncovered: Recording Theory
Clipping means the peaks of sound curves are cut off making recordings sound harsh and highly irritating
WVUncovered: Recording Theory
Clipping in an audio editing program
WVUncovered: Recording Theory
Cables, connectors and plugs — make sure you have the right ones
WVUncovered: Recording Theory
“Balanced” XLR cables. The standard for professional sound support — public address, musicians, radio & TV. Heavy duty, locking connectors, free from interference over long distances.
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Cables, connectors and plugs
WVUncovered: Recording Theory
TS (tip-sleeve) cable with 1/4” plug. Has two
conductors but no ground, for
short distances only.
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TRS (tip-ring-sleeve) balanced cable. Has two conductors plus ground. Same as XLR cable but with 1/4” plugs. Can run long distances.
Cables, jacks and plugs
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1/4” jacks
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WVUncovered: Recording Theory
Miniature stereo phone plugsStandard connectors for computer and portable audio components
Cables, jacks and plugs
WVUncovered: Recording Theory
RCA jacks
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RCA (home stereo) cables, jacks and plugs. One
conductor plus ground. Keep as short as possible.
1/8” stereo plug (male) to RCA jack
(female).
1/8” stereo jack (female) to two RCA monaural plugs (male).
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WVUncovered: Recording Theory
Mixer inputs: 4 XLR mic input jacks (right), 5 RCA audio component jacks (center), 1 XLR (male) mic output plug plus 1 RCA output jack (left)
Cables, connectors and plugs