diffuse sound

diffuse sound

[də′fyüs ′sau̇nd]
(acoustics)
Sound that has uniform energy density in a given region so that all directions of energy flux at all parts of the region are equally probable.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

diffuse sound

Sound is said to be perfectly diffuse in a room when the sound waves travel in all directions with equal probability and the sound level of the reflected sound is everywhere equal.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
part in the setting of -2 Intrinsic characteristics of airborne sound insulation under diffuse sound field conditions (B/509/6).
During downmixing, a certain frequency range from one of the microphone signals (e.g., microphone number one in Figure 1) may optionally be used as diffuse sound, as explained in Section 3.1.5 (dashed line in Figure 1).
While the latter sensitivity can be measured in a diffuse sound field produced in a reverberant room, for practical reasons, this sensitivity is usually not determined in this manner.
Backed by the usual jazz rhythm section of piano, bass and drums and with Brazilian guitarist Leonardo Amuedo echoing the melody, Botti played the melody with a warm, diffuse sound that brought to mind Davis' elegant style.
With a perfectly diffuse sound field and [R.sub.0]>15 dB, the argument of equation (1) may be averaged over a range of [theta] from 0 to 90[degrees] to yield the random incidence transmission loss at low frequency:
Planephones are vibrating systems made of wood, copper, or iron panels that diffuse sound depending on the materials, design, and alignment of the surfaces on the plastic volumes.
Saint-Sa'ns may have crafted the organ symphony to emulate the fuller, more diffuse sound of a cathedral, Amado says.
Forty speakers will be placed throughout it as part of events which will diffuse sound throughout the spaces, using tapes, live electronics, improvisation, and installation works.
The curved wall is clad in vertical strips of oak darkened by being exposed to ammonia fumes and made in differing sections to diffuse sound. In fact, the wall is double to accommodate bars and galleries serving the balconies in the auditorium.
As with the movie version, Neo:6 (Music) also makes use of the center-rear channel (if you have it hooked up), and that feed was probably responsible for the somewhat less diffuse sound from the surrounds.
-1 Sound absorption in the laboratory under diffuse sound field conditions.
Vertical illuminated niches in the side walls check parallel vibration and diffuse sound, as do the wooden blocks on the back wall.

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