. Elements of acoustical engineering. Electro-acoustics; Sound. 306 ARCHITECTURAL ACOUSTICS reflected sound picked up by a velocity or unidirectional microphone in which fi = 4x/3 is shown in Fig. The generally reflected sound picked up by an ultradirectional microphone in which Q, = vr/lO is shown in Fig. The effectiveness of a directional sound collecting system in overcoming reverberation and undesirable sounds is graphically depicted in Fig. Directional microphones, in addition to discriminating against noise and generally reflected sounds, have been found to be extr
. Elements of acoustical engineering. Electro-acoustics; Sound. 306 ARCHITECTURAL ACOUSTICS reflected sound picked up by a velocity or unidirectional microphone in which fi = 4x/3 is shown in Fig. The generally reflected sound picked up by an ultradirectional microphone in which Q, = vr/lO is shown in Fig. The effectiveness of a directional sound collecting system in overcoming reverberation and undesirable sounds is graphically depicted in Fig. Directional microphones, in addition to discriminating against noise and generally reflected sounds, have been found to be extremely useful in ar- ranging actors in dialogue and for adjusting the relative loudness of the instruments of an orchestra. VELOCITY MICROPHONE UNIDIRECTIONAL MICROPHONE. PLAN VIEW A VELOCITY \ /^^ MICROPHONE jr-^X^^ M'C CAMERA ^ ^ SOUN H iX ^^^J-'^SOURCI 1'°""" A IT n PLAN VIEW B UNIDIRECTIONAL MICROPHONE. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Olson, Harry Ferdinand, 1901-. New York, D. Van Nostrand company, inc.
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