Dolby TrueHD contrast DTS-HD HD audio codec solution full resolution

Introduction:

With the end of the battle for the next generation of high-definition discs, the road to high definition in the future has become much clearer. However, fans who play HD tend to pay more attention to video technology, ignoring the progress of audio in these years. In fact, like the industry giants who promote video development, there are also many great leaders in the audio field. They bring an extraordinary dazzling dawn to the field that the ordinary people think is the sunset industry. They are the industry standard setters Dolby Laboratories and DTS. In the HD era, they introduced the next-generation audio standards Dolby TrueHD and DTS-HD.

After a long period of data collection, we have compiled it into a document and delivered it to the majority of audio players.

The history of Dolby Laboratories:

Dolby Laboratories LOGO

Dolby Laboratories was founded by Dr. Ray Milton Dolby. In 1957, Dolby graduated from Stanford University and received a Marshall scholarship from the University of Cambridge in the UK to study long-wavelength X-rays. In 1961 he received his Ph.D. in physics. In 1963, he accepted the appointment of the United Nations to India for a two-year advisor. However, Dr. Dolby's success is due to his hobby-recording. In many years of recording practice, Dr. Dolby realized that the noise floor caused damage to the recording quality when recording audio or video signals on a tape. In India he began to seriously consider a way to reduce noise without compromising the quality of the recording. His explorations became the basis for the later Dolby A noise reduction, B noise reduction and C noise reduction systems.

After returning to the UK in 1965, he established his own laboratory in London to implement the plan he had thought of in India. In 1968, a company named after "Dolby Laboratories" was established. After 41 years of development, Dolby Laboratories has become a leading company in the acoustic and electrical industry. The products affect the entire industrial chain of the entire sound and electricity industry, and drive the development of the entire industrial chain through its research and development results.

DTS company introduction:

From the perspective of corporate propaganda, DTS is much lower-key than Dolby Laboratories, and most users are not aware of the high-end AV applications. The audio format that most enthusiasts pursue is that there is an organization operating behind the scenes. . Below we will introduce DTS, which is also in the leading position in the sound and power industry.

DTS was founded in 1993 and is headquartered in Agoura Hills, California. The full name of DTS should be called DIGITAL THEATER SYSTEM, and the company name is DTS TECHNOLOGY. The company's main structure is divided into two parts, one is the professional "digital cinema system" based on the recording and decoding of film music and cinema, and the other is the development of family decoder and DVD/LD/ "DTS technology" for consumer electronics based on CD and other software packages.

When it comes to DTS, you must talk to its founder, Mr. Terry Beard. In the late 1980s, he had been studying film soundtracks in Hollywood for 20 years. He discovered that the film soundtracks on the film were built on the film, and it was very easy to develop sounds due to loss of play or over-banding. A new digital system that records tracks directly on a CD-ROM. This complete system is now the DTS system. In this way, not only the space is increased, but also the data traffic can be relatively large. It is also possible to replace the CD storing the sound effect data to play different language versions (at this time, DTS is still difficult to apply to households, as mentioned above) It is a DTS system for cinema-grade equipment).

When Mr. TerryBeard developed the DTS system, he met the world-class director Spielberg under the introduction of a friend. When Spielberg saw the film "Third-type contact" processed by DTS, he and him. In the same year, the version made by the DOLBY system was compared. At the moment, Global Studios was informed that his new film "Jurassic Park" was produced using the DTS system, and Universal Studios immediately purchased $4 million for more than 1,000 theaters. DTS equipment. By the time the "Jurassic Park" was released on June 11, 1993, the film industry caused a big sensation. DTS jumped into one of the world's mainstream systems. In July 1994, Spielberg and TerryBeard formally established DTS TECHNOLOGY. It is the origin of the company.

Entering 2009, DTS has succeeded in exerting continuous influence on the vast number of fever circles with its more powerful digital audio codec technology DTS-HD, which has become the dominant player in the next generation of audio formats.

Speaking of this, I believe that everyone has begun to be curious about these two audio formats, the author will give you a comparative introduction.

Dolby TrueHD / TS-HD basic features comparison:

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