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  • About Reverberation Time - Brüel & Kjær
    a loudspeaker source or impulsive noise from a starting pistol It is measured in 1 1 or 1 3 octaves serially or simultaneously It is usually averaged over several positions in the room and over several decays in each position Quite often a wide band average is calculated by mathematically averaging the RT for a range of frequency bands For critical applications the shape of the decay curve is also important Deviations from the straight line can reveal acoustical defects Stampa Home Settori di mercato Gestione dell ambiente Aeroportuale Managing Airport Noise Managing Emissions Stakeholder Engagement Aerospaziale Airframes Aero Engines Automotive Veicoli terrestri Target setting Benchmarking and Troubleshooting Quality Development Production Line Testing The Application Research Center Detroit Customised Project Solutions Difesa Air Land Sea Rumore e vibrazione ambientali Valutazione del rumore Salute e Sicurezza Acustica degli edifici Monitoraggio acustico Mappatura acustica e previsionale Space Launch vehicles and satellites Space system components Telecom e Audio Entertainment Systems Hearing Aids Telephones Wind Energy Wind farm noise monitoring Wind turbine field testing tools Wind Turbine Sound Power Determination according to IEC61400 11 Vibration testing of wind turbine components Wind turbine gearbox testing Prodotti Analysis software Acquisition software Signal analysis Acoustic software Vibration software PULSE analyzers PULSE platform Solutions overview Licenses and download Measurement frontends LAN XI PHOTON Trasduttori e Condizionatori di segnale Acoustic Vibration Ear simulators Conditioning Fonometri Sound level meters Dosimetri Vibration meters Shakers and exciters Sistemi LDS per le prove di vibrazione Shaker Measurement exciters Environment management Airports Ambiente Urbano e Industriale Noise mapping and prediction Sound Level Meters Calibration systems Microphones Accelerometers Hydrophones Sound Level Meter and other instruments Stock clearance sale and other products Test per I deas Positioning systems Magazzino dell usato Applicazioni Airport Noise Acustica degli Edifici Sound Insulation 2 channel Sound Insulation Sound Intensity Acustica

    Original URL path: http://www.bksv.it/Applications/RoomAcoustics/about-reverberation-time (2016-02-17)
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  • What is room acoustics? - Brüel & Kjær
    s acoustical properties using this parameter alone would not be enough to quantify the quality of halls and spaces for music and speech Instead a range of parameters has been developed which takes the temporal development and direction of incoming reflections at the listener s position into account Examples of these are Early Decay Time Intelligibility and Clarity All these parameters are derived directly from or with the help of the so called Room Impulse Response RIR It is the acoustical footprint of a room However a room does not have just one single room impulse response The RIR is the history of the direct and reflected sound at one position in a room caused by an impulse emitted from a source at another position in the same room Thus different receiver and source positions will lead to different RIR in the same room One consequence of this is that the perception of the same piece of music will be different for different seats in the same concert hall Therefore it doesn t come as a surprise that the room impulse response is central to both measurement and modelling of room acoustics Room Acoustic measurements are used to validate new constructions and to troubleshoot existing ones The Room Acoustic Measurement System DIRAC Type 7841 is the perfect tool to help you keep control over the acoustic design of rooms Stampa Argomenti correlati Sound sources Home Settori di mercato Gestione dell ambiente Aeroportuale Managing Airport Noise Managing Emissions Stakeholder Engagement Aerospaziale Airframes Aero Engines Automotive Veicoli terrestri Target setting Benchmarking and Troubleshooting Quality Development Production Line Testing The Application Research Center Detroit Customised Project Solutions Difesa Air Land Sea Rumore e vibrazione ambientali Valutazione del rumore Salute e Sicurezza Acustica degli edifici Monitoraggio acustico Mappatura acustica e previsionale Space Launch vehicles and satellites Space system components Telecom e Audio Entertainment Systems Hearing Aids Telephones Wind Energy Wind farm noise monitoring Wind turbine field testing tools Wind Turbine Sound Power Determination according to IEC61400 11 Vibration testing of wind turbine components Wind turbine gearbox testing Prodotti Analysis software Acquisition software Signal analysis Acoustic software Vibration software PULSE analyzers PULSE platform Solutions overview Licenses and download Measurement frontends LAN XI PHOTON Trasduttori e Condizionatori di segnale Acoustic Vibration Ear simulators Conditioning Fonometri Sound level meters Dosimetri Vibration meters Shakers and exciters Sistemi LDS per le prove di vibrazione Shaker Measurement exciters Environment management Airports Ambiente Urbano e Industriale Noise mapping and prediction Sound Level Meters Calibration systems Microphones Accelerometers Hydrophones Sound Level Meter and other instruments Stock clearance sale and other products Test per I deas Positioning systems Magazzino dell usato Applicazioni Airport Noise Acustica degli Edifici Sound Insulation 2 channel Sound Insulation Sound Intensity Acustica Architettonica About Reverberation Time What is room acoustics Data recording and analysis Inquinamento ambientale da rumore e vibrazioni Noise Reduction Calculation and Mapping Noise Monitoring Noise Assessment Industrial Noise Transportation Noise Recreational Noise Building and Ground Vibration Environmental Noise Booklet Machine Diagnostics Collaudo dei materiali Material Testing

    Original URL path: http://www.bksv.it/Applications/RoomAcoustics/what-is-room-acoustics (2016-02-17)
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  • Data recording and analysis - Brüel & Kjær
    Award winning design gives an intuitive user interface and a wide range of applications Sound level meter Type 2250 Analysis Post processing software Data processing With your time data safely recorded PULSE Reflex core provides powerful analysis at leisure Generic post processing tools experimental modal analysis building acoustics and crank angle analysis are all supported Post processing software PULSE Reflex Stampa Argomenti correlati Brochure Data recording and analysis Data recording hardware LAN XI Stand alone recorder LAN XI Notar Dynamic signal analyzer PHOTON Case study Sound Vibration Technology Ltd Strategic partner Home Settori di mercato Gestione dell ambiente Aeroportuale Managing Airport Noise Managing Emissions Stakeholder Engagement Aerospaziale Airframes Aero Engines Automotive Veicoli terrestri Target setting Benchmarking and Troubleshooting Quality Development Production Line Testing The Application Research Center Detroit Customised Project Solutions Difesa Air Land Sea Rumore e vibrazione ambientali Valutazione del rumore Salute e Sicurezza Acustica degli edifici Monitoraggio acustico Mappatura acustica e previsionale Space Launch vehicles and satellites Space system components Telecom e Audio Entertainment Systems Hearing Aids Telephones Wind Energy Wind farm noise monitoring Wind turbine field testing tools Wind Turbine Sound Power Determination according to IEC61400 11 Vibration testing of wind turbine components Wind turbine gearbox testing Prodotti Analysis software Acquisition software Signal analysis Acoustic software Vibration software PULSE analyzers PULSE platform Solutions overview Licenses and download Measurement frontends LAN XI PHOTON Trasduttori e Condizionatori di segnale Acoustic Vibration Ear simulators Conditioning Fonometri Sound level meters Dosimetri Vibration meters Shakers and exciters Sistemi LDS per le prove di vibrazione Shaker Measurement exciters Environment management Airports Ambiente Urbano e Industriale Noise mapping and prediction Sound Level Meters Calibration systems Microphones Accelerometers Hydrophones Sound Level Meter and other instruments Stock clearance sale and other products Test per I deas Positioning systems Magazzino dell usato Applicazioni Airport Noise Acustica degli

    Original URL path: http://www.bksv.it/Applications/DataRecordingAndAnalysis (2016-02-17)
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  • Inquinamento ambientale da rumore e vibrazioni - Brüel & Kjær
    Booklet Stampa Home Settori di mercato Gestione dell ambiente Aeroportuale Managing Airport Noise Managing Emissions Stakeholder Engagement Aerospaziale Airframes Aero Engines Automotive Veicoli terrestri Target setting Benchmarking and Troubleshooting Quality Development Production Line Testing The Application Research Center Detroit Customised Project Solutions Difesa Air Land Sea Rumore e vibrazione ambientali Valutazione del rumore Salute e Sicurezza Acustica degli edifici Monitoraggio acustico Mappatura acustica e previsionale Space Launch vehicles and satellites Space system components Telecom e Audio Entertainment Systems Hearing Aids Telephones Wind Energy Wind farm noise monitoring Wind turbine field testing tools Wind Turbine Sound Power Determination according to IEC61400 11 Vibration testing of wind turbine components Wind turbine gearbox testing Prodotti Analysis software Acquisition software Signal analysis Acoustic software Vibration software PULSE analyzers PULSE platform Solutions overview Licenses and download Measurement frontends LAN XI PHOTON Trasduttori e Condizionatori di segnale Acoustic Vibration Ear simulators Conditioning Fonometri Sound level meters Dosimetri Vibration meters Shakers and exciters Sistemi LDS per le prove di vibrazione Shaker Measurement exciters Environment management Airports Ambiente Urbano e Industriale Noise mapping and prediction Sound Level Meters Calibration systems Microphones Accelerometers Hydrophones Sound Level Meter and other instruments Stock clearance sale and other products Test per I deas Positioning systems Magazzino dell usato Applicazioni Airport Noise Acustica degli Edifici Sound Insulation 2 channel Sound Insulation Sound Intensity Acustica Architettonica About Reverberation Time What is room acoustics Data recording and analysis Inquinamento ambientale da rumore e vibrazioni Noise Reduction Calculation and Mapping Noise Monitoring Noise Assessment Industrial Noise Transportation Noise Recreational Noise Building and Ground Vibration Environmental Noise Booklet Machine Diagnostics Collaudo dei materiali Material Testing Standards Acoustic Material Testing Identificazione delle Sorgenti sonore Sound Intensity Mapping Acoustic Holography Beamforming Noise Source Identification with acoustical array Salute e sicurezza sul lavoro EU Occupational Health Directives Prevenzione della perdita

    Original URL path: http://www.bksv.it/Applications/EnvironmentalNoiseandVibration (2016-02-17)
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  • Noise Reduction - Brüel & Kjær
    to assist you with surveying noise fields with the intention of reducing noise Stampa Home Settori di mercato Gestione dell ambiente Aeroportuale Managing Airport Noise Managing Emissions Stakeholder Engagement Aerospaziale Airframes Aero Engines Automotive Veicoli terrestri Target setting Benchmarking and Troubleshooting Quality Development Production Line Testing The Application Research Center Detroit Customised Project Solutions Difesa Air Land Sea Rumore e vibrazione ambientali Valutazione del rumore Salute e Sicurezza Acustica degli edifici Monitoraggio acustico Mappatura acustica e previsionale Space Launch vehicles and satellites Space system components Telecom e Audio Entertainment Systems Hearing Aids Telephones Wind Energy Wind farm noise monitoring Wind turbine field testing tools Wind Turbine Sound Power Determination according to IEC61400 11 Vibration testing of wind turbine components Wind turbine gearbox testing Prodotti Analysis software Acquisition software Signal analysis Acoustic software Vibration software PULSE analyzers PULSE platform Solutions overview Licenses and download Measurement frontends LAN XI PHOTON Trasduttori e Condizionatori di segnale Acoustic Vibration Ear simulators Conditioning Fonometri Sound level meters Dosimetri Vibration meters Shakers and exciters Sistemi LDS per le prove di vibrazione Shaker Measurement exciters Environment management Airports Ambiente Urbano e Industriale Noise mapping and prediction Sound Level Meters Calibration systems Microphones Accelerometers Hydrophones Sound Level Meter and other instruments Stock clearance sale and other products Test per I deas Positioning systems Magazzino dell usato Applicazioni Airport Noise Acustica degli Edifici Sound Insulation 2 channel Sound Insulation Sound Intensity Acustica Architettonica About Reverberation Time What is room acoustics Data recording and analysis Inquinamento ambientale da rumore e vibrazioni Noise Reduction Calculation and Mapping Noise Monitoring Noise Assessment Industrial Noise Transportation Noise Recreational Noise Building and Ground Vibration Environmental Noise Booklet Machine Diagnostics Collaudo dei materiali Material Testing Standards Acoustic Material Testing Identificazione delle Sorgenti sonore Sound Intensity Mapping Acoustic Holography Beamforming Noise Source Identification with acoustical array

    Original URL path: http://www.bksv.it/Applications/EnvironmentalNoiseandVibration/NoiseReduction (2016-02-17)
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  • Calculation and Mapping - Brüel & Kjær
    by Plotting measurements from long or short term noise surveys Plotting measurements from permanent monitoring stations Calculation Stampa Argomenti correlati Noise Mapping and Prediction Monitoraggio acustico Home Settori di mercato Gestione dell ambiente Aeroportuale Managing Airport Noise Managing Emissions Stakeholder Engagement Aerospaziale Airframes Aero Engines Automotive Veicoli terrestri Target setting Benchmarking and Troubleshooting Quality Development Production Line Testing The Application Research Center Detroit Customised Project Solutions Difesa Air Land Sea Rumore e vibrazione ambientali Valutazione del rumore Salute e Sicurezza Acustica degli edifici Monitoraggio acustico Mappatura acustica e previsionale Space Launch vehicles and satellites Space system components Telecom e Audio Entertainment Systems Hearing Aids Telephones Wind Energy Wind farm noise monitoring Wind turbine field testing tools Wind Turbine Sound Power Determination according to IEC61400 11 Vibration testing of wind turbine components Wind turbine gearbox testing Prodotti Analysis software Acquisition software Signal analysis Acoustic software Vibration software PULSE analyzers PULSE platform Solutions overview Licenses and download Measurement frontends LAN XI PHOTON Trasduttori e Condizionatori di segnale Acoustic Vibration Ear simulators Conditioning Fonometri Sound level meters Dosimetri Vibration meters Shakers and exciters Sistemi LDS per le prove di vibrazione Shaker Measurement exciters Environment management Airports Ambiente Urbano e Industriale Noise mapping and prediction Sound Level Meters Calibration systems Microphones Accelerometers Hydrophones Sound Level Meter and other instruments Stock clearance sale and other products Test per I deas Positioning systems Magazzino dell usato Applicazioni Airport Noise Acustica degli Edifici Sound Insulation 2 channel Sound Insulation Sound Intensity Acustica Architettonica About Reverberation Time What is room acoustics Data recording and analysis Inquinamento ambientale da rumore e vibrazioni Noise Reduction Calculation and Mapping Noise Monitoring Noise Assessment Industrial Noise Transportation Noise Recreational Noise Building and Ground Vibration Environmental Noise Booklet Machine Diagnostics Collaudo dei materiali Material Testing Standards Acoustic Material Testing Identificazione delle Sorgenti sonore

    Original URL path: http://www.bksv.it/Applications/EnvironmentalNoiseandVibration/CalculationandMapping (2016-02-17)
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  • Noise Monitoring - Brüel & Kjær
    monitoring can indicate environmental trends and help produce Environmental maps In addition semi permanent monitoring typically ranging from a few days up to several weeks is also used for cost effective monitoring of environmental trends limit compliance public awareness improved knowledge of dose response relationships and calibration of noise maps Often a Global Positioning System GPS device is used to automatically locate the measurement position Thus geographically referenced measured data from mobile NMTs can be used for locally calibrating calculated maps Local calibration involves collecting representative values for a particular period in a particular geographic area and transferring to a calculation software Here emission levels of user defined sources are adjusted so that the resulting map matches the actual situation There are many ways to monitor noise and many customers understand noise monitoring in different ways Brüel Kjær offers several solutions which suit different preferences needs and budgets If you want to Continuously monitor noise around a site for several years then the optimal solution is an urban noise management system This will give you among other things real time access to data and the ability to correlate noise with other measurements and present data on public websites Monitor noise for shorter time periods then the optimal solution is Noise Sentinel On Demand This offers you professional noise monitoring and management without major investment Noise monitoring is understood by different people in different ways Many people define noise monitoring to include the ability to measure noise unattended for a few days for later download and analysis We call this unattended noise assessment If you are interested in unattended noise assessment then the optimal solution is a 2250 sound level meter and using the Measurement Partner post processing software on your PC This solution is good for detailed studies and where you do not need real time access to data Stampa Argomenti correlati Noise Sentinel Gestione dell ambiente Aeroportuale Monitoraggio acustico Noise Assessment Case Studies Home Settori di mercato Gestione dell ambiente Aeroportuale Managing Airport Noise Managing Emissions Stakeholder Engagement Aerospaziale Airframes Aero Engines Automotive Veicoli terrestri Target setting Benchmarking and Troubleshooting Quality Development Production Line Testing The Application Research Center Detroit Customised Project Solutions Difesa Air Land Sea Rumore e vibrazione ambientali Valutazione del rumore Salute e Sicurezza Acustica degli edifici Monitoraggio acustico Mappatura acustica e previsionale Space Launch vehicles and satellites Space system components Telecom e Audio Entertainment Systems Hearing Aids Telephones Wind Energy Wind farm noise monitoring Wind turbine field testing tools Wind Turbine Sound Power Determination according to IEC61400 11 Vibration testing of wind turbine components Wind turbine gearbox testing Prodotti Analysis software Acquisition software Signal analysis Acoustic software Vibration software PULSE analyzers PULSE platform Solutions overview Licenses and download Measurement frontends LAN XI PHOTON Trasduttori e Condizionatori di segnale Acoustic Vibration Ear simulators Conditioning Fonometri Sound level meters Dosimetri Vibration meters Shakers and exciters Sistemi LDS per le prove di vibrazione Shaker Measurement exciters Environment management Airports Ambiente Urbano e Industriale Noise mapping and prediction Sound

    Original URL path: http://www.bksv.it/Applications/EnvironmentalNoiseandVibration/NoiseMonitoring (2016-02-17)
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  • Noise Assessment - Brüel & Kjær
    Aeq K I K T K R K S where K I is a penalty for impulses K T is a penalty for tone and information content K R is a penalty for time of day K S is a penalty positive or negative for certain sources and situations Stampa Argomenti correlati 7820 Evaluator Home Settori di mercato Gestione dell ambiente Aeroportuale Managing Airport Noise Managing Emissions Stakeholder Engagement Aerospaziale Airframes Aero Engines Automotive Veicoli terrestri Target setting Benchmarking and Troubleshooting Quality Development Production Line Testing The Application Research Center Detroit Customised Project Solutions Difesa Air Land Sea Rumore e vibrazione ambientali Valutazione del rumore Salute e Sicurezza Acustica degli edifici Monitoraggio acustico Mappatura acustica e previsionale Space Launch vehicles and satellites Space system components Telecom e Audio Entertainment Systems Hearing Aids Telephones Wind Energy Wind farm noise monitoring Wind turbine field testing tools Wind Turbine Sound Power Determination according to IEC61400 11 Vibration testing of wind turbine components Wind turbine gearbox testing Prodotti Analysis software Acquisition software Signal analysis Acoustic software Vibration software PULSE analyzers PULSE platform Solutions overview Licenses and download Measurement frontends LAN XI PHOTON Trasduttori e Condizionatori di segnale Acoustic Vibration Ear simulators Conditioning Fonometri Sound level meters Dosimetri Vibration meters Shakers and exciters Sistemi LDS per le prove di vibrazione Shaker Measurement exciters Environment management Airports Ambiente Urbano e Industriale Noise mapping and prediction Sound Level Meters Calibration systems Microphones Accelerometers Hydrophones Sound Level Meter and other instruments Stock clearance sale and other products Test per I deas Positioning systems Magazzino dell usato Applicazioni Airport Noise Acustica degli Edifici Sound Insulation 2 channel Sound Insulation Sound Intensity Acustica Architettonica About Reverberation Time What is room acoustics Data recording and analysis Inquinamento ambientale da rumore e vibrazioni Noise Reduction Calculation and Mapping Noise Monitoring Noise Assessment

    Original URL path: http://www.bksv.it/Applications/EnvironmentalNoiseandVibration/NoiseAssessment (2016-02-17)
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