RCA cables started as single-channel connectors for audio, later evolving into stereo sound by adding a second cable. The iconic yellow RCA cable was created for composite video, used widely in VCRs, ...

A plug and socket for coaxial cable. RCA connectors are used for analog audio signals (see analog audio). They are also used for digital audio (see S/PDIF) and analog video (see composite video). For ...

Yeah, the signal type will be the determining factor, not necessarily the physical connector. Heck, you could say that an RCA jack is infinte, or 1080p, or just audio as well. As a rule of thumb, for ...