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Audio compressor9/3/2023 ![]() The Fairchild 670 contains about twenty tubes in its case and has shaped the sonic identity of Motown and Beatles recordings.įET compressors are trying to reproduce the sonic imprint of the tubes with transistors. They naturally modify the timbre of the sound signal. The quality of these compressors is intimately linked to the particularity and degree of maintenance of the tubes they use. Modify the rhythmic expression of a song.Timbral modifications (e.g., to brighten a sound source and/or give it more presence).To increase the natural sound of an acoustic instrument.Improving and giving weight to the drums (fattening drum sounds).Technological evolution and the audacity of some audio technicians ( Joe Meek, Bill Putnam) h ave diversified the creative and technical motivations that have expanded the use of a compressor beyond its original use. The compressor is then adjusted only to prevent overloads and unwanted distortion. Some embrace the versatility of compressors to manipulate a sound source, either surgically or aesthetically, while others take another approach and use them only as a kind of safety net. reduced, so that it can be pressed to a vinyl record (+/- 75dB). The dynamics of a symphony orchestra, which can be up to (+/- 100dB), needs to be compressed, i.e. The LA-2A from Teletronix is highly esteemed by sound technicians. This technological breakthrough in the world of radio gave birth to a classic compressor that is still used today. This prevents the risk of distortion during signal transmission. In radio, in order to make things easier, sound technicians use a “leveling amplifier” to automatically reduce the audio segments that are too intense. ![]() Compressors were originally a technical solution to the limitations and constraints of the equipment used in broadcasting and the limitations of the recording mediums. ![]()
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