AUDIO

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Across
  1. 4. A microphone that generates an electrical signal when sound waves cause a conductor to vibrate in a magnetic field. In a moving-coil microphone, the conductor is a coil of wire attached to the diaphragm.
  2. 6. A unidirectional microphone with moderately wide front pickup.
  3. 8. The physical representation of an audio channel on the front panel of a mixer; usually a long, vertical strip of controls.(7,5).
  4. 11. A unidirectional microphone with tighter front pickup.
  5. 12. A circuit that carries information by means of one signal on a single conductor.
  6. 14. Colloquial equivalent of sound level.
  7. 16. A method of providing power to the electronics of a condenser microphone through the microphone cable. (7, 5).
  8. 17. A control which allows the volume level to be cut without changing the master volume control.
  9. 18. Leakage of sound into other microphones.
  10. 19. Signals in the human audio range. Measured in Hertz (Hz).
  11. 20. Tone control to shape frequency response in some desired way.
  12. 21. Occurs when a sound loop exists between an audio input, for example, a microphone and a speaker.
Down
  1. 1. A microphone that picks up sound equally well from all directions.
  2. 2. A microphone that generates an electrical signal when sound waves vary the spacing between two charged surfaces: the diaphragm and the backplate.
  3. 3. - A measure of the strength or intensity of a sound, rated in decibels. (5,8,5).
  4. 5. A number used to express relative output sensitivity. It is a logarithmic ratio.
  5. 7. A device for converting sound waves into electrical energy variations which may then be amplified, transmitted, or recorded.
  6. 9. The ratio of the signal level at the output of an audio device to the signal level at its input.
  7. 10. A circuit that carries information by means of two equal but opposite polarity signals, on two conductors. Balanced cables reduce susceptibility to internal and external noise.
  8. 13. A microphone that picks up equally from two opposite directions.
  9. 15. Electronic device for mixing audio signals, used in sound recording and reproduction and sound reinforcement systems.