Comb filters may be implemented in discrete time or continuous time; this article will focus on discrete-time implementations; the properties of the continuous-time comb filter are very similar.
22.
Comb filters may be implemented in discrete time or continuous time; this article will focus on discrete-time implementations; the properties of the continuous-time comb filter are very similar.
23.
It was not eliminated, but what remained was not readily apparent to human eyes . ( Modern televisions attempt to reduce this interference further using a comb filter .)
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In contrast, the Panavision system uses a spectral comb filter system, but their combination splitter-filter-lens is physically similar to the Technicolor assembly and can be used in the same way.
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Because the reflected sound takes a longer path, it constitutes a delayed version of the direct sound and a comb filter is created where the two combine at the listener.
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At the same time, Faroudja started manufacturing products based on the same technologies, including adaptive comb filters and video quality improvement products for use with Sony s U-Matic video recorders.
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The signal has also been known to confuse home theater line doublers ( devices for improving the quality of video for large projection TVs ) and some high-end television comb filters.
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The LD-S9 and HLD-X9 share a highly advanced comb filter, allowing them to offer a considerable advantage in picture quality over most other LD players when the S-Video connection is used.
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They are generally used to compensate for other undesired phase shifts that arise in the system, or for mixing with an unshifted version of the original to implement a notch comb filter.
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In order for the comb filter effect to be audible, the spectral content of the program material must be full enough within the frequency range of this moving comb filter to reveal the filter s effect.
