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A digital delay line (or simply delay line, also called delay filter) is a discrete element in a digital filter, which allows a signal to be delayed by a number of samples. Delay lines are commonly used to delay audio signals feeding loudspeakers to compensate for the speed of sound in air, and to align video signals with accompanying audio ...
The sample size is relatively small (say, n ≤ 10— ¯ and s charts are typically used for larger sample sizes) The sample size is constant; Humans must perform the calculations for the chart; As with the ¯ and s and individuals control charts, the ¯ chart is only valid if the within-sample variability is constant. [4]
The Dattorro industry scheme is based on digital delay lines and to ensure a proper resolution in the time domain, it leverages fractional delay lines, thus avoiding discontinuities. [ 2 ] The effects that this scheme is able to produce are: echo, chorus, vibrato, flanger, doubling, white chorus.
For example, the LMS (Least Means Square) algorithm in the context of the usual tapped-delay-line digital adaptive filter (see below) leads to: W k+1 = W k - μz k R k = W k - μz k N r,k. where the vector W k represents the set of filter weights at the k th iteration and the vector R k represents the last set of samples of the reference which ...
One example of an analog delay line is a bucket-brigade device. [1] Other types of delay line include acoustic (usually ultrasonic), magnetostrictive, and surface acoustic wave devices. A series of resistor–capacitor circuits (RC circuits) can be cascaded to form a delay. A long transmission line can also provide a delay element. The delay ...
The sample size is relatively large (say, n > 10— ¯ and R charts are typically used for smaller sample sizes) The sample size is variable; Computers can be used to ease the burden of calculation; The "chart" actually consists of a pair of charts: One to monitor the process standard deviation and another to monitor the process mean, as is ...
The digital canceller must process both linear and non-linear signal components, producing about 50 dB of cancellation. Both the analog and digital cancellers consist of a number of “taps” composed of attenuators, phase shifters, and delay elements. The cost, size, and complexity of the SIC solution is primarily determined by the analog stage.
In general, a delay generator operates in a 50 Ω transmission line environment with the line terminated in its characteristic impedance to minimize reflections and timing ambiguities. Historically, digital delay generators were single channel devices with delay-only (see DOT reference below). Now, multi-channel units with delay and gate from ...
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