Panasonic PV-27DF4 Operating Instructions Manual

Panasonic PV-27DF4 Operating Instructions Manual Manual pdf 70 page image

70 For assistance, please call : 1-800-211-PANA(7262) or, contact us via the web at:http://www.panasonic.com/contactinfoAngleSome DVD discs feature scenes simultaneously shotfrom different angles. The ANGLE button can be used toview the scene from different angles. (ANGLE Indicatorlights up on the unit when a scene recorded fromdifferent angles is detected.)BitstreamThis is the digital form of multi-channel audio data (e.g.,5.1 channel) before it is decoded into its variouschannels.Chapter NumberTitles are subdivided into numbered sections. You canquickly search for a favorite scene using these numbers.DecoderA decoder restores the coded audio signals on DVDs tonormal. This is called decoding.Dolby DigitalThis is a method of coding digital signals developed byDolby Laboratories. Apart from stereo (2-channel) audio,these signals can also be multichannel audio. A largeamount of audio information can be recorded on one discusing this method.Dolby Pro LogicA surround system where a 4-channel audio track isrecorded as 2 channels and then is restored to 4channels for play. The surround channel is monaural andcan reproduce up to 7 kHz.DTS (Digital Theater Systems)This surround system is used in many movie theatersaround the world. There is good separation between thechannels, so realistic sound effects are possible.Dynamic rangeDynamic range is the difference between the lowest levelof sound that can be heard above the noise of theequipment and the highest level of sound beforedistortion occurs.DVDA high-density optical disc on which high-quality picturesand sound have been digitally recorded. DVDincorporates new video compression technology (MPEGII) and high-density recording technology which allowentire movies to be recorded with incredible playbackquality.Film and videoDVD-Videos are recorded using either film or video.Usually, film is recorded at 24 frames per second, therate movies are filmed at, while video is recorded at 30frames per second.Frame still and field stillFrames are the still pictures that go together to make amoving picture. There are about 30 frames shown eachsecond. One frame is made up of two fields. A regulartelevision shows these fields one after the other to createframes.A still is shown when you pause a moving picture. Aframe still is made up of two alternating fields, so thepicture may appear blurred, but overall quality is high. Afield still is not blurred, but it has only half the informationof a frame still so picture quality is lower.Linear PCM (pulse code modulation)These are uncompressed digital signals, similar to thosefound on CDs.Regional CodeThis is a copyright protection measure unique toDVD-Video. There are 6 regional codes worldwide. Inorder to play a disc encoded with a regional code, theDVD player must be equipped with the same code.Sampling bit numberThis is the resolution shown in number of bits todetermine how faithfully the sampled analog frequencywas expressed at the time the signal is converted fromanalog to digital.Sampling FrequencyThis is the number of times sampling is performed in (1)second shown in Hz units at the time the signal isconverted from analog to digital using the PCM method.The greater the number, the higher the sound quality.SubtitlesWritten dialogue which appears at the bottom of thescreen.Time NumberThe elapsed play time from the start of a disc or title. Useto quickly find scenes. (May not work with some discs.)Title NumberFor DVD discs with two or more titles, the title isnumbered as title 1, title 2, etc.Track NumberNumbers assigned to tracks on CDs to allow specifictracks to be quickly located.V.S.S. FeatureVirtual surround sound playback is possible even withonly 2 speakers. For example, using this unit’s built-inspeakers, the 2 speakers of a connected stereo, etc., youcan enjoy a surround sound effect. If the disc wasrecorded in Dolby Digital 5.1 ch, with just the two frontL/R speakers, you will feel as if you are hearing soundfrom nonexistent speakers on both sides of you. Thiseffect also works with Dolby Digital 2-channel discs.Glossary