Passthrough
In signal processing, a passthrough is a logic gate that enables a signal to "pass through" unaltered, sometimes with little alteration. Sometimes the concept of a "passthrough" can also involve daisy chain logic.
Examples of passthroughs
- Analog passthrough (for digital TV)
- Sega 32X (passthrough for Sega Genesis video games)
- VCRs, DVD recorders, etc. act as a "pass-through" for composite video and S-video, though sometimes they act as an RF modulator for use on Channel 3.
- Tape monitor features allow an AV receiver (sometime the recording device itself) to act as a "pass-through" for audio.
gollark: Nobody has good enough definitions of "sentience" or anything else to reasonably say what is or isn't that.
gollark: It's not code, it's giant matrix multiplications mostly.
gollark: If you can store them, you can just display the internal representation.
gollark: You'll probably have to wait until the paper is released.
gollark: With "good" features like multiple buttons and an anomalous scroll wheel.
See also
- Dongle, a device that converts signal, instead of just being a "passthrough" for unaltered signal
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