Brüel & Kjær Sound & Vibration Measurement A/S

DIRAC 6 What`s New - Brüel & Kjær Video

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Measuring room acoustics

DIRAC Room Acoustics Software Type 7841 is used for measuring a wide range of room acoustical parameters. Based on the measurement and analysis of impulse responses, DIRAC supports a variety of measurement configurations.

Survey measurements are easily carried out using a small impulsive sound source, such as a blank pistol or even a balloon.

Speech intelligibility measurements can be carried out in compliance with the IEC 60268-16 standard, for male and female voices, through an artificial mouth-directional loudspeaker sound source or through direct injection into a sound system, taking into account the impact of background noise.

With the introduction of DIRAC 6 and the Echo Speech Source Type 4720, speech intelligibility measurements can be performed quickly and easily. The Echo delivers a calibrated signal that is used by DIRAC to calculate different speech intelligibility parameters. The Echo / DIRAC combination also performs well with high levels of background noise.

DIRAC is a valuable tool not only for field and laboratory acoustics engineers, but also for researchers and educational institutions. It has many uses, including measurement of acoustics within any room, hall or space. Users can compare the acoustics of one room with another, validate sound systems and perform scale model measurements.

Brüel & Kjær is the sole worldwide distributor of DIRAC, an acoustics measurement software tool, developed by Acoustics Engineering.

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