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| DVD Knowledge Base 38 - What are the outputs of a DVD player? |
DVD players usually have two or three kinds of video output (composite, s-video, and component) and three or four kinds of audio output (analog stereo, digital PCM stereo, Dolby Digital, and DTS).
Video outputs
Most DVD players have the following video output connections, which can carry an NTSC, PAL, or SECAM signal.
- S-video (Y/C). 4-pin round plug. Carries brightness signal (Y) and two combined color signals (C).
- Composite video (CVBS). Standard yellow RCA video plug. Combines all three video signals into one.
- European players combine both of the signals above, and others, into a 21-pin rectangular SCART connector (aka Peritel or Euro Connector [EC]).
Some players may have additional video connections:
- Component interlaced analog video (EIA 770.1). Keeps all three video signals separate.
- Y'PbPr format: 3 RCA or BNC connectors.
- RGB (or RGBS or RGBHV) format: SCART connector or 3, 4, or 5 RCA or BNC connectors.
- Component progressive analog video. Keeps all three video signals separate.
- Y'PbPr format: 3 RCA connectors.
- RGB (or RGBS or RGBHV) format: SCART connector or 3, 4, or 5 RCA or BNC connectors.
- RF video. For connecting to the TV antenna input, usually on channel 3 or 4.
- Screw-on, 75-ohm, F-type connector. May require an adapter for TVs that have 300-ohm, two-screw, antenna wire connectors.
- DVI. Digital video output. Uses HDCP for copy-protected content.
- HDMI. Digital video in the DVI format (with HDCP), plus digital audio.
Most DVD players with component video outputs use YUV (Y'PbPr), which is incompatible with RGB equipment. European players with component video outputs usually provide RGBS (red/green/blue/sync) signals on the SCART connector. YUV to RGB transcoders are rumored to be available for $200-$300, but seem hard to track down. A $700 converter is available from avscience, and $900 converter, the CVC 100, is available from Extron.
Note: The correct term for analog color-difference output is Y'Pb'Pr', not Y'Cb'Cr' (which is digital, not analog). To simplify things, this FAQ sometimes uses the term YUV in the generic sense to refer to analog color difference signals.
Audio outputs
Most DVD players have the following audio output connections.
- Analog stereo audio. May be in Dolby Surround, depending on the disc.
- Two RCA connectors, red and white.
- European players transmit analog stereo audio on the SCART connector.
- Digital audio with 1 to 5.1 channels. Raw digital audio in PCM, MLP, Dolby Digital (AC-3), DTS, or MPEG-2 format. Requires an amplifier/receiver with a built-in decoder (or a separate external decoder).
- S/PDIF coax format: RCA connector. (IEC-958 Type II)
- Toslink format: square optical connector. (EIAJ CP-340 and EIAJ CP-1201)
Some players may have additional audio connections:
- Multichannel analog audio. Requires a multichannel-ready or "Dolby Digital ready" amplifier/receiver with 6 inputs.
- Six RCA connectors or one DB-25 connector.
- AC-3 RF audio. Only on combination LD/DVD players. Carries audio from AC-3 laserdiscs.
- One RCA connector.
- High-resolution digital audio.
- 1394 (FireWire): rectangular connector. Requires a receiver with 1394 audio input (and DTCP compatibility).
- HDMI. Requires a receiver or TV with HDMI input.
Some players can output 96/24 PCM audio using a non-standard variation of IEC-958 running at 6.144 Mbps instead of the normal limit of 3.1 MHz.
Note: The CSS license does not allow digital PCM output of CSS-protected material at 96 kHz. The player must downsample to 48 kHz.
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