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A daily rest that is less than 11 hours but at least 9 hours long is called a reduced daily rest period. ' Multi-manning' The situation where, during each period of driving between any two consecutive daily rest periods, or between a daily rest period and a weekly rest period, there are at least two drivers in the vehicle to do the driving.
Drivers in California are allowed up to 12 driving hours and 16 on duty hours. Drivers for theatrical or television motion picture productions are exempt if the driver operates within a 100 air-mile radius of the location where the driver reports to and is released from work. These drivers may take an 8-hour break, and are allowed 15 hours on duty.
Scientific pitch notation is often used to specify the range of an instrument. It provides an unambiguous means of identifying a note in terms of textual notation rather than frequency, while at the same time avoiding the transposition conventions that are used in writing the music for instruments such as the clarinet and guitar.
Saxophones tuned to A=440 Hz would be marked 'L', 'LP' or 'Low Pitch' A 1927 Conn New Wonder Series 2 alto saxophone marked 'H' for 'High Pitch' (A=456 Hertz) Rising pitch put a strain on singers' voices and, largely due to their protests, the French government passed a law on February 16, 1859 setting the A above middle C at 435 Hz, 435 Hz ...
Scientific pitch, also known as philosophical pitch, Sauveur pitch or Verdi tuning, is an absolute concert pitch standard which is based on middle C (C 4) being set to 256 Hz rather than ~ 261.63 Hz, [a] making it ~ 31.77 cents lower than the common A440 pitch standard.
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Some other of the R/C toys operate on the 49 MHz Part 15 channels, and often a pair of R/C cars will be sold with one on 27.145 and one on 49.860 to avoid interference. This allows less selective, and therefore less expensive, receivers to be used than if they were using channels in the same band.
Pitch scaling is the opposite: the process of changing the pitch without affecting the speed. Pitch shift is pitch scaling implemented in an effects unit and intended for live performance. Pitch control is a simpler process which affects pitch and speed simultaneously by slowing down or speeding up a recording.