Tag Archives: Dolby Digital

Factors to be considered when buy a DVD player

Jan 25th, 2012by Boren 2,460 views |Comments Off

Are you looking for a new DVD player? If yes, you have to pay attention to the terms of people manufacturing, marketing and reviewing players use these days to describe their products. Terms show us the changes that taken place with DVD technology in recent years. It seems these terms sound pleased to ears, but not everyone understands the meaning behind them.

Today’s new DVD player is more than just a device for watching DVD movies, they have better output: clearer images, immersed surround sound. And new players can also play CDs and audio files, video files. You can enjoy high-resolution multi-channel music with today’s new DVD players. Read More »

What is DTS and its relationship with Dolby Digital?

Jun 24th, 2010by dvdxplayer 1,822 views |Comments Off

DTS is s product of DTS, Inc., it stands for Digital Theater Systems Digital Sound. DTS is a multichannel audio compression format similar to Dolby Digital used in DVD-video discs, DVD-audio, 5.1 channel audio CDs, and some movie theaters.
DTS differs from Dolby Digital in that it generally uses higher data rates and many have the opinion that DTS is better quality. Read More »

About Dolby Digital

Jan 28th, 2010by dvdxplayer 2,883 views |2 Comments

Dolby Digital (AC-3) is Dolby’s third generation audio coding algorithm. It is a perceptual coding algorithm developed to allow the use of lower data rates with a minimum of perceived degration of sound quality.

This coder has been designed to take maximum advantage of human auditory masking in that it divides the audio spectrum of each channel into narrow frequency bands of different sizes optimized with respect to the frequency selectivity of human hearing. Read More »

Dolby Digital, Dolby Surround, Dolby Pro Logic, DTS stuff in plain English?

Jan 01st, 2010by dvdxplayer 4,820 views |1 Comments

Almost every DVD contains audio in the Dolby Digital (AC-3) format. DTS is an optional audio format that can be added to a disc in addition to Dolby Digital audio. Dolby Digital and DTS can store mono, stereo, and multichannel audio (usually 5.1 channels). Read More »

The disc says Dolby Digital. Why do I get 2-channel surround audio?

Dec 30th, 2009by dvdxplayer 1,720 views |Comments Off

Some discs (many from Columbia TriStar) have 2-channel Dolby Surround audio (or plain stereo) on track one and 5.1-channel audio on track two. Some studios create separate sound mixes optimized for Dolby Surround or stereo, and they feel the default track should match the majority of sound systems in use. Read More »

What’s the deal with DTS and DVD?

Dec 13th, 2009by dvdxplayer 2,629 views |Comments Off

Digital Theater Systems Digital Surround is an audio encoding format similar to Dolby Digital. It requires a decoder, either in the player or in an external receiver. Some people claim that, because of its lower compression level, DTS sounds better than Dolby Digital. Others claim there is no meaningfully perceptible difference, especially at the typical data rate of 768 kbps Read More »

Do all videos use Dolby Digital (AC-3)? Do they all have 5.1 channels?

Dec 11th, 2009by dvdxplayer 2,038 views |1 Comments

Most DVD-Video discs contain Dolby Digital soundtracks. However, it’s not required. Some discs, especially those containing only audio, have PCM tracks. It’s possible –but rare– for a 625/50 (PAL) disc to contain only MPEG audio. Discs with DTS audio are required to also include a Dolby Digital audio track (in a few rare cases they have a PCM track). Read More »