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Most modern TVs also feature additional inputs for devices such as DVD players, video game consoles, and headphones; the most common types for analog audio and analog video are RCA (for composite video and component video), mini-DIN for S-Video, SCART and D-terminal can be found in Europe and Japan respectively, the newer HDMI (which can also connect to computers), USB and Bluetooth.
After demodulating, a CIRC error corrector takes each audio data frame, stores it in a SRAM memory and verifies that it has been read correctly, if it is not, it takes the parity and correction bits and fixes the data, then it moves it out to a DAC to be converted to an analog audio signal.
On the back of the system, a variety of connectivity options were available such as analog audio, coaxial/XLR/toslink optical connectors for input and output, SCSI (for external hard drives or tape backup units), various sync sources (video/SMPTE/etc), MIDI, and RS-422 ports for remote controlling the Foundation 2000 from other devices, or using the it to control other devices.