The visual or auditory result of the coupling of electronic circuits across separate channels.

In electronics, crosstalk is any phenomenon by which a signal transmitted on one circuit or channel of a transmission system creates an undesired effect in another circuit or channel. Crosstalk is usually caused by undesired capacitive, inductive, or conductive coupling from one circuit or channel to another.

Crosstalk is a significant issue in structured cabling, audio electronics, integrated circuit design, wireless communication and other communications systems.

In stereo audio reproduction, crosstalk can refer to signal leaking across from one program channel to another, reducing channel separation and stereo imaging. Crosstalk between channels in mixing consoles, and between studio feeds is a much more noticeable problem, as these are likely to be carrying very different programmes or material.

Crosstalk is an electrical effect and can be quantified with a crosstalk measurement. Crosstalk measurements are made on audio systems to determine the amount of signal leaking across from one channel to another. The Independent Broadcasting Authority published a weighting curve for use in crosstalk measurement that gives due emphasis to the subjective audibility of different frequencies. In the absence of any international standards, this is still in use despite the demise of the IBA.

Good crosstalk performance for a stereo system is not difficult to achieve in today's digital audio systems, though it was hard to keep below the desired figure of -30 dB or so on vinyl recordings and FM radio.

Key Terms

crosstalk measurement
transmission system
undesired capacitive
undesired effect

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Last modified on May 11 2019
Content adapted from Wikipedia
No credits found. is service provided by Codecide, a company located in Chicago, IL USA.
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