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Home»Electric»What is Dolby Digital and Dolby Digital Plus technology? What’s the difference?
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What is Dolby Digital and Dolby Digital Plus technology? What’s the difference?

Technology ExpertBy Technology ExpertJune 11, 2020No Comments4 Mins Read
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Sound technology is currently very developed and popular. In this article, I will introduce to you two technologies of audio Dolby Digital and Dolby Digital Plus. What are the two technologies that stand out? Let’s dig deeper through the article below.

Contents hide
1. What is Dolby Digital audio technology?
– Define
– Highlights of Dolby Digital audio technology
2. What is Dolby Digital Plus audio technology?
– Define
– Highlights of Dolby Digital Plus technology
3. Compare Dolby Digital and Dolby Digital Plus audio technologies
4. Should buy a television with Dolby Digital technology or Dolby Digital Plus

– About Dolby Labs company:

Dolby Labs or Dolby Laboratories was founded by Ray Dolby in the UK in 1965 and moved to San Francisco, California, USA in 1976.

The company is famous for its audio coding technology and audio filters. Dolby Type A (Audio filter reduces noise at the lowest level) is the first product and also a stepping stone to help the company create more outstanding and famous technology around the world.

You can see more info about Dolby Labs company and Dolby Digital Plus technology: https://www.dolby.com/us/en/index.html

– Dolby Digital technology:

Dolby Digital is a compressed audio technology developed by Dolby Labs. It was originally named Dolby Stereo Digital and changed its name to Dolby Digital in 1994.

The primary role of this technology was to provide digital audio in magnetic cinema 35mm film. It was later applied to HDTV television, DVD, Blu-ray disc and video games.

1. What is Dolby Digital audio technology?

– Define

Dolby Digital audio technology is a form of surround sound, emitting digital audio in 6 separate channels including 5 independent channels: center speaker, left speaker, front right speaker and two speakers on the sides and 1 channel 6th is the subwoofer for low frequency sound.

Surround sound is simply understood as the technique of enriching the fidelity and depth of sound by using multiple audio channels from the speakers that surround the listener.

Dolby Digital technology

Dolby Digital technology

– Highlights of Dolby Digital audio technology

The highlight of this technology is that the audio channels operate independently to amplify the sound strong, smooth, multi-dimensional and spread throughout the room, make viewers’ entertainment experience more interesting and engaging.

Dolby Digital is applied at the cinema

Dolby Digital is applied at the cinema

2. What is Dolby Digital Plus audio technology?

– Define

Dolby Digital Plus audio technology is an upgrade from Dolby Digital with the sound standard in modern cinemas.

This technology supports sound up to 7.1 channels (7 satellite channels and 1 subwoofer) with high fidelity, burst and power. Dolby Digital Plus is considered by experts to be a great step forward in modern audio technology.

Dolby Digital Plus audio technology

Surround sound

– Highlights of Dolby Digital Plus technology

Technology Doly Digital Plus 7.1 integrated on many devices for significantly better sound quality, helping listeners discover more new levels of sound and new level.

In addition, this technology also allows users to easily switch back to traditional Dolby Digital signals.

3. Compare Dolby Digital and Dolby Digital Plus audio technologies

Here, you can refer to the comparison of two audio technologies:

Dolby Digital 5.1 Dolby Digital 7.1
Number of channels

6 Channel

7 Channels

Device support

TVs, speakers, from big brands like Samsung, Sony, Toshiba, …

TVs, speakers, from big brands like Samsung, Sony, Toshiba, …

New technology products.i

Advantages

Realistic sound quality, strong and smooth.

Realistic sound quality, strong and smooth.

Easily convert signals to Dolby Digital 5.1.

Comparison chart of Dolby Digital 5.1 and Dolby Digital 7.1

4. Should buy a television with Dolby Digital technology or Dolby Digital Plus

If you intend to own a television with modern audio technology, you should choose Dolby Digital Plus.

However, price The TV’s has Dolby Digital Plus higher audio technology but you can Easy to convert back to Dolby Digital signal for use.

Some TVs of the companies own Dolby Digital Plus technology:

  • Samsung 4K Smart TV 55 inch UA55RU7400
  • Samsung 4K Smart TV 50 inch UA50RU7100 
  • Skyworth 4K Smart TV 50 inches 50UB5100
  • Skyworth Smart TV 43 inch 43TB5000
  • Sony Smart TV 50 inch KDL-50W660F

Note: Prices of the above products were updated at the time of publishing this article (June 1, 2020). Prices may change at other times, you need to note to avoid the occurrence of unnecessary cases.

Thank you for watching and see you in the following article.

Technology Expert
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