sound pressure


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Related to sound pressure: Sound intensity
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Synonyms for sound pressure

the difference between the instantaneous pressure at a point in a sound field and the average pressure at that point

References in periodicals archive ?
Sound pressure level was picked up by a 1/4 inch Bruel & Kjser (type 4944A) condenser microphone.
As can be seen, the result obtained does not exceed the maximum daily critical level of sound pressure of [L.
This type of immediate and permanent hearing loss is generally associated with sound pressure levels greater than 140 dB, as might be generated by an explosive or a high-powered rifle discharging close to the ear.
Derrick Kuzak, Ford group vice president of Global Product Development, recently stated that they are working to "Understand every noise path," as quiet vehicles are desirable--when a transmission prototype had sound pressure levels of 10 to 15 dB greater than the nominal values, Jack S.
But in this year's licensing conditions, the local authority state: "The peak sound pressure level in any public area of the site shall not exceed 140 decibels.
The engine produces just 79 decibels of sound pressure and 100 decibels of sound power at full throttle.
Difference in Sound Pressure Distribution between Typical Theater Sound Reproduction and Near Speaker Surround Sound Reproduction
Air samples were collected from the working areas of the three groups, and sound pressure level meters were used to assess noise levels in the same areas.
The results are summarized as follows: 1) the tool wear index developed by the wavelet coefficients in the frequency range of 10 to 20 kHz has a strong correlation with flank wear; 2) the signals processed by the high-pass filter and sound pressure levels depend on other parameters such as spindle rotation and number of teeth, except for flank wear; 3) the tool wear index developed by the wavelet coefficients is very useful for developing a health monitoring system for the tool wear of circular saws because it has good linearity and is independent parameters such as spindle rotation and number of teeth, except for flank wear.
We regularly see snoring levels of around 80 decibels of sound pressure which compares with having the television on in a bedroom.
Royston says: "We regularly see snoring levels of around 80 decibels of sound pressure, which compares with having the television on in a bedroom.
1) Furthermore, complaints were related to the objectively measured sound pressure, which varied with the different prostheses' designs.
Each part in the series features events for local street racers and spectators including ``Night Drags - Run What Ya Brung,'' which pits amateur street racers against other amateurs; ``Best of Show'' judged from all the cars and trucks brought to the show; a bikini contest, which pits women from around the country against each other for a $1,000 prize; a burnout contest in which racers are given 60 seconds to smoke their tires as much as possible; a neon contest for participants to show off the creative neon lights on their vehicle; a ``Dyno'' contest that tests the horsepower of participants' vehicles; A Sound Pressure Level competition for the loudest cars at the event; and the United States Autosound Competition to pit contestants' stereos and their installation against one another.
Sending an electric signal to the first disc makes it expand, sending a sound pressure wave along the tube.
The inputs to the vehicle's suspension tend to be random irregularities, so if we plot the sound pressure in the vehicle interior against time we get a rather messy looking plot shown in figure 2.