AcoustiCal|教育線上App不用買

AcoustiCal is a complete calculator for the most common acoustic problems. Whether you are a sound engineer or an audio hobbyist, this is your tool. With AcoustiCal you can easily perform the following operations: - Convert between frequency, period and wavelength - Convert between time and distance traveled by the sound - Convert between frequency, phase and delay - Sum of SPLs (coherent and incoherent) - Convert between dB, dBA and dBC - Compute the attenuation of the sound at a given distance - Compute the attenuation due to the air - Calculate the resonant frequency of a Helmholtz resonator - Calculate and visualize room modes - Calculate and visualize the reverberation time in a room with given materials - Convert between Volts, dBu and dBV - Convert between Watts, dBm and dBW - Perform Ohm's law calculations - Convert between peak and rms volts - Have a resistance color code calculator at hand - Calculate the sound pressure level of a loudspeaker at a given distance - Convert between loudspeaker sensitivity and efficiency - Calculate the needed power for a given SPL - Have a simple sound generator with the most common waveforms for acoustic measurements - Convert between filter bandwidth and Q factor - Calculate the -3dB cutoff frequencies of a filter

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