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Shure 55S. The Shure 55SH is a professional cardioid dynamic microphone that has been commonly used in broadcast applications since 1939. Designed by American audio products company Shure, it has been described as "iconic" in pamphlets and reviews, [1] after the Elvis stamp issued by the U.S. Postal Service in 1993. [2]
Shure Inc. is an audio products corporation headquartered in the USA. It was founded by Sidney N. Shure in Chicago, Illinois, in 1925 as a supplier of radio parts kits. The company became a manufacturer of consumer and professional audio-electronics including microphones, wireless microphone systems, phonograph cartridges, discussion systems, mixers, and digital signal processing.
The Shure SM7 is a professional cardioid dynamic microphone, commonly used in broadcasting applications since 1973. Designed by Shure , it has been described as an "iconic" industry standard microphone for its focused, directional sound and its widespread adoption in radio, television and recording studios.
According to Shure, the SM57 frequency response extends from 40 Hertz (Hz) to 15 kHz. It is manufactured in the United States, Mexico, and China. The Shure A2WS is an accessory windscreen for the SM57 that attenuates wind noise and plosives, and protects the microphone capsule.
The frequency plan was created, which was internationally coordinated at Regional Administrative Conference for FM Sound Broadcasting in the VHF band in Geneva, 1984. [11] Allocated frequencies are still valid and are used in the Czech Republic and Slovakia. The first transmitter was put into operation on 102.5 MHz near Prague in November 1984.
This is a list of the fundamental frequencies in hertz (cycles per second) of the keys of a modern 88-key standard or 108-key extended piano in twelve-tone equal temperament, with the 49th key, the fifth A (called A 4), tuned to 440 Hz (referred to as A440). [1] [2] Every octave is made of twelve steps called semitones.
Frequencies also used are 8.6436 MHz and 17.2872 MHz. 4.332 RDS: 3648× the RDS signal bit rate of 1187.5 bit/s. While the frequency of 4.332 MHz is the most commonly used crystal resonator, its multiples (2×4.332 MHz = 8.664 MHz or 4×4.332 MHz = 17.328 MHz) have been used also. 4.43361875 PAL/NTSC: PAL B/D/G/H/I and NTSC M4.43 color subcarrier.
The list of frequency ranges is called a band allocation, which may be set by international agreements, and national regulations. The modes and types of allocations within each frequency band is called a bandplan; it may be determined by regulation, but most typically is set by agreements between amateur radio operators.