Betekenis van:
sound pressure

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

    Synoniemen

    Hyperoniemen


    Voorbeeldzinnen

    1. Sound pressure level meter:
    2. The indicator for the sound pressure level is LpAeq,T.
    3. The position and value of the maximum sound pressure must be indicated.
    4. sound pressure level, according to a defined measuring method and microphone position,
    5. Sound pressure of the stationary noise has to be described by the A-weighted equivalent continuous sound pressure level LpAeq, T, according to prEN ISO 3095:2001, chapter 7.5.
    6. In order to check the maximum sound pressure levels given in Annex II, measured values, measurement procedures and conditions for the quantitative, reproducible recording of sound pressure levels in accordance with points 2 and 3 shall be established.
    7. The ambient noise level shall be at least 10 dB lower than the sound pressure level to be measured.
    8. Sound pressure level exceeding 224 dB (reference 1 μPa at 1 m) for equipment with an operating frequency in the band from 10 kHz to 24 kHz inclusive;
    9. Sound pressure level exceeding 224 dB (reference 1 µPa at 1 m) for equipment with an operating frequency in the band from 10 kHz to 24 kHz inclusive;
    10. Sound pressure level exceeding 235 dB (reference 1 μPa at 1 m) for equipment with an operating frequency in the band between 24 kHz and 30 kHz;
    11. The indicator for the sound pressure level is LpAeq, T. The limiting values for the noise emission of the vehicles under these above mentioned conditions are given in Table 2.
    12. Cadmium alloys as electrical/mechanical solder joints to electrical conductors located directly on the voice coil in transducers used in high-powered loudspeakers with sound pressure levels of 100 dB (A) and more.
    13. Acoustic environments at an overall sound pressure level of 140 dB or greater (referenced to 20 μPa) or with a total rated acoustic power output of 4 kW or greater; and
    14. The sound pressure level of the device when fitted to the tractor shall be measured at a point 7 metres in front of the tractor, at a site which is open and as level as possible.
    15. acoustic environments at an overall sound pressure level of 140 dB or greater (referenced to 20 µPa) or with a total rated acoustic power output of 4 kW or greater; and