Difference between revisions of "Sound for Interaction class 6"
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[http://home1.pacific.net.sg/%7Efirehzrd/audio/wires.html Bluffers guide to WIRES AND CONNECTORS] | [http://home1.pacific.net.sg/%7Efirehzrd/audio/wires.html Bluffers guide to WIRES AND CONNECTORS] | ||
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==Audio Levels== | ==Audio Levels== | ||
Revision as of 04:16, 16 July 2007
Signal flow
Block Diagrams (how audio moves though a system)
Audio Levels
Good Level Audio Levels
- Microphone level - The level (or voltage) of signal generated by a microphone. Typically around 2 millivolts. Compare this with the two normal line levels
- Phono Level - little larger than mic level also has equalization based on standardized RIAA curve. use phono input a line
- Line Level - . There is an international standard for the level of inputs; it is around -10dBV(.316V) for semi-pro equipment, and about +4dBu(1.228V) for "pro" equipment. Line level outputs can come from tape decks, CD players, tuners, DAT decks, effects, etc. (1.228V:+4dBu and .316V:-10dBV)
- Speaker level - higher voltages for speakers
Audio Level Links
Audio connectors
- 1/8" (3.5mm) Connectors Jack Plug Connectors Tip ring sleeve
mono 
stereo 
- 1/4"(6.35mm) Connectors
- Banana Plugs
- Binding Posts Bayonet Neill-Concelman/British Naval Connector type of signal varies or BNC
- RCA-Type video left audio right audio
- XLR Microphone XLR
- TOSLink http://en.wikipedia.org/wiki/TOSLINK
Bluffers guide to WIRES AND CONNECTORS
Audio Levels
Mic level - The level (or voltage) of signal generated by a microphone. Typically around 2 millivolts. Compare this with the two normal line levels (1.23V:+4dbV and .316V:-10dbV)
Phono Level - little larger than mic level also has equalization based on standardized RIAA curve. use phono input a line
Line Level - . There is an international standard for the level of inputs; it is around -10dBV for semi-pro equipment, and about +4dBV for "pro" equipment. Line level outputs can come from tape decks, CD players, tuners, DAT decks, effects, etc.
Speaker level - higher voltages for speakers
