Audio DAC:

Functioning the same as the video DAC, the audio DAC enables the audio and sound information on the DVD disc to play through the television or stereo. All DVD players require this feature.

Audio Signal-To-Noise Ratio:

The audio signal-to-noise ration compares the level of dialogue or music (wanted noise) to the level of background noise. The higher the ratio the better the sound quality.

DVD Player Depth:

The length of the DVD player from the side or top from front to back.

DVD Player Height:

The height of the DVD player measured from top to bottom, displayed in inches.

DVD Player Warranty:

Most DVD players include a warranty of some kind, most are limited to parts and labor. Warranties range from 90 days to two years.

DVD Player Weight:

The weight of the DVD player measured in pounds.

DVD Player Width:

The length of the DVD player measured horizontally, displayed in inches. This usually determines if the player will fit on a certain shelf.

Dynamic Range:

The ratio between the loudest signal to the quietest signal. Typically, the higher the decibel level the better the range.

Inputs:

Similar to outputs, common inputs included S-video, composite, digital and analogue audio ports, and sometimes a iLINK DV port.

Memory Card Slot:

The DVD player includes a memory card slot for additional memory storage.

Outputs:

DVD players can only function when there are output connections to the television. Common DVD player outputs include a composite, digital audio coaxial, S-video, analogue audio and usually a head phone jack.

Playable Media Types:

Major motion picture DVDs are usually encoded using MPEG2 media; however, newer DVD players have the ability to read additional codecs from DVDs or CDs usually burned using a computer. The more media the DVD player can read the more versatile it is.

Remote Control:

The DVD Player comes with a remote control.

Screen Size:

Screens are usually attached to portable DVD players. Sizes range from two inches to 12.

TV Tuner:

The DVD player has an integrated TV tuner.

Video DAC:

All DVD players include a Video DAC. It enables the video and picture information encoded on the DVD to play on the television.

Video Signal-to-Noise Ratio:

Both video and audio have a signal-to-noise ratio. It compares the level of wanted noise to the level of background noise. The higher the signal-to-noise ratio the better the sound and video quality.

Dialog Enhancer:

Somtimes music or background noise overpowers the dialog of in a movie. A dialog enhancer is a feature that raises to volume of the dialog of the DVD playing.

Parental Control:

The DVD player includes a password protected feature that allows parents to restrict the viewing of certian DVDs. This restriction is usually based on the DVD's MPAA rating.

Playable Disc Types:

Most DVD players can play more than just DVDs including CD, DVD-R and Mini DVDs.

Progressive Scan:

The DVD player includes the ability to display the DVD in progressive scan; however, this feature is pointless unless you have a television that also displays in progressive scan. These are usually high definition TVs with a 720 or 1080 resolution.

Shipping Depth:

The depth of the box which the DVD player is packaged or shipped in.

Shipping Height:

The height of the box the DVD player is shipped or packaged in.  

Shipping Width:

The width of the box that the DVD player is shipped or packaged in. 

Playback Time:

How long the battery will last while in use.