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The proximity effect in audio is an increase in bass or low frequency response when a sound source is close to a directional or cardioid microphone. [1] [2] Proximity effect is a change in the frequency response of a directional pattern microphone that results in an emphasis on lower frequencies. It is caused by the use of ports to create ...
The microphone's proximity effect is adjusted so that flat frequency response is achieved for sound sources very close to the front of the mic – typically 1 to 3 cm. Sounds arriving from other angles are subject to steep midrange and bass rolloff.
The Beta 58A has a frequency response extending from 50 to 16,000 Hz, with frequencies attenuated below 500 Hz to counter the proximity effect. [6] [1] It has two high frequency presence peaks, one at 4 kHz and another at 10 kHz. [1] The Beta 58A also features a supercardioid pick-up pattern for better sound rejection from the sides. [7]
Like all directional microphones, the SM58 is subject to proximity effect, a low-frequency boost when used close to the source. The cardioid response reduces pickup from the side and rear, helping to avoid feedback onstage. There are wired (with and without on/off switch) and wireless versions.
At a distance of about 50 cm (0.5 m) the time delay for a signal reaching first one and then the other microphone from the side is approximately 1.5 ms (1 to 2 ms). If the distance is increased between the microphones it effectively decreases the pickup angle.
The microphone came with a switch to tailor the mid-bass response, attenuating frequencies below 400 Hz with a mild high-pass filter. Like all premium microphones made by EV, it used EV's 1930s humbucker method of reducing electromagnetic interference by wiring a humbucking coil out of polarity with the microphone element coil. The microphone's ...
Proximity effect (audio), an increase in bass or low frequency response when a sound source is close to a microphone; Proximity Effect, a comic book series written by Scott Tucker and Aron Coleite; Proximity effect (electromagnetism), magnetically induced current distortions resulting in increased effective resistance of a conductor; Proximity ...
The condenser microphone, invented at Western Electric in 1916 by E. C. Wente, [22] is also called a capacitor microphone or electrostatic microphone—capacitors were historically called condensers. The diaphragm acts as one plate of a capacitor, and audio vibrations produce changes in the distance between the plates.