Sound Pressure definition

Sound Pressure means the instantaneous difference between the actual pressure and the average or barometric pressure at a given location. The unit of measurement is the micro pascal (µPa);

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Sound Pressure means the instantaneous difference between the actual pressure and the average or barometric pressure at a given point in space, as produced by sound energy.

Sound Pressure means an instantaneous difference between the actual pressure and the average or barometric pressure at a given point in space due to sound.

Examples of Sound Pressure in a sentence

At a pressure altitude of 35,000 ft and a Mach number of M=0.78 in still air under ISA conditions, the guaranteed A-Weighted Sound Pressure Level (SPL) will not exceed *** and the Speech Interference Level (SIL) will not exceed ***.
At a pressure altitude of [*CTR] the guaranteed A-weighted Sound Pressure Level (SPL) and the Speech Interference Level (SIL) shall be as follows: SPL [dB(A)] [*CTR] SIL [dB] [*CTR] Noise levels shall be measured at the Captain’s and First Officer’s seat position at head level with normal cockpit air conditioning and ventilation in operation.
At a pressure altitude of [****] the guaranteed A-weighted Sound Pressure Level (SPL) and the Speech Interference Level (SIL) shall be as follows: SPL [dB(A)] [****] SIL [dB] [****] Noise levels shall be measured at the Captain’s and First Officer’s seat position at head level with normal cockpit air conditioning and ventilation in operation.
At a pressure altitude of 35,000 ft and a Mach number of M=0.78 in still air under ISA conditions, the guaranteed A-Weighted Sound Pressure Level (SPL) and the Speech Interference Level (SIL) will be as follows: - the A-Weighted SPL will not exceed *** over the whole seating area.
If the Ambient Sound Pressure Level exceeds 55 dB(A), the standard shall be ambient dB(A) level plus 5 dB(A).

More Definitions of Sound Pressure

Sound Pressure means the average rate at which sound energy is transmitted through a unit area in a specified direction.

Sound Pressure means the instantaneous difference between the actual pressure and the

Sound Pressure level: "Sound pressure level," in decibels, means 20 times the logarithm to the base 10 of the ratio of the pressure to the reference pressure. The reference pressure shall be 20 micropascals.

Sound Pressure means the alternating component of the pressure at a point in a sound field.

Sound Pressure means the alternating component of the pressure at a point in a sound field. The standard units are Pascals (Pa).

Sound Pressure means the root-mean-square displacement in air pressure due to sound;

Sound Pressure means the instantaneous difference between the actual pressure and the average or barometric pressure at a given point in space due to sound. (aa) "Sound pressure level" means twenty