Technology / Home Audio Glossary

Y Cable Or Adapter: A cable used to split a signal into two parts or combine two signals into one. The term, Y Cable is used because the cable has the appearance of the letter Y, where there are two parts joine . . . View Full Definition

Z: The designation of impedance, as High Z, - 47,000 ohms, or low Z, - 4 ohms

Zero Bit Detection: A circuit in a D/A converter that monitors the digital audio bit stream. Upon encountering all bits low, or zero bits, the output of the D/A is disconnected from the preamp. This improves th . . . View Full Definition

Zero Crossing: An analog waveform consists of two alternating voltage polarities (positive to negative to positive...etc.). The point where the polarity changes from positive to negative, or vice versa, is . . . View Full Definition

Zero Output: The absence of output signal or output power.

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