boundary microphone造句

• The boundary microphone can be used as a piano mic or on hockey boards for body check sound effects.
• A "'boundary microphone "'is a small omnidirectional condenser mic capsule positioned near or flush with a boundary ( surface ).
• The predecessor of the directional boundary microphone was a directional microphone placed in an Electrovoice Mic Mouse, a foam block that suspended a conventional microphone horizontally just above a surface.
• A line of Pressure zone microphones ( PZM ) was introduced by Crown in 1980, Other microphones introduced by Crown included the PCC-166 directional boundary microphone in 1986, the tiny GLM series and the patented differoid CM300 in 1987.
• When used to record a soloist or small musical ensemble along with the room acoustics, a boundary microphone prevents phase interference between direct and reflected sound, resulting in a natural sound with a flatter frequency response than can be obtained with a stand-mounted microphone at the same distance ( explanation below ).