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The Disneyland Park, originally Disneyland, is the first of two theme parks built at the Disneyland Resort in Anaheim, California, opened on July 17, 1955. It is the only theme park designed and built to completion under the direct supervision of Walt Disney. It was originally the only attraction on the property; its official name was changed to Disneyland Park to distinguish it from the expanding complex in the 1990s. It was the first Disney theme park.

Walt Disney came up with the concept of Disneyland after visiting various amusement parks with his daughters in the 1930s and 1940s. He initially envisioned building a tourist attraction adjacent to his studios in Burbank to entertain fans who wished to visit; however, he soon realized that the proposed site was too small. After hiring a consultant to help him determine an appropriate site for his project, Disney bought a 160-acre (65 ha) site near Anaheim in 1953. Construction began in 1954 and the park was unveiled during a special televised press event on the ABC Television Network on July 17, 1955.

Since its opening, Disneyland has undergone expansions and major renovations, including the addition of New Orleans Square in 1966, Bear Country (now Critter Country) in 1972, Mickey's Toontown in 1993, and Star Wars: Galaxy's Edge in 2019. Opened in 2001, Disney California Adventure Park was built on the site of Disneyland's original parking lot.

Disneyland has a larger cumulative attendance than any other theme park in the world, with 726 million visits since it opened (as of December 2018). In 2018, the park had approximately 18.6 million visits, making it the second most visited amusement park in the world that year, behind only Magic Kingdom, the very park it inspired. According to a March 2005 Disney report, 65,700 jobs are supported by the Disneyland Resort, including about 20,000 direct Disney employees and 3,800 third-party employees (independent contractors or their employees). Disney announced "Project Stardust" in 2019, which included major structural renovations to the park to account for higher attendance numbers.

The United States Federal Aviation Administration has declared a zone of prohibited airspace around both Disneyland and some of the surrounding areas centered at Sleeping Beauty Castle. No aircraft, including recreational and commercial drones, are permitted to fly within this zone; this level is only shared with Walt Disney World, other pieces of critical infrastructure (military bases, Pantex) in the United States and whenever the President of the United States travels outside of Washington, D.C.

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Dolby Pro Logic is a surround sound processing technology developed by Dolby Laboratories, designed to decode soundtracks encoded with Dolby Surround.

Dolby Stereo (also known as Dolby MP or Dolby SVA) was developed by Dolby in 1976 for analog cinema sound systems. The format was adapted for home use in 1982 as Dolby Surround when HiFi capable consumer VCRs were introduced. It was further improved with the Dolby Pro Logic decoding system after 1987.

The Dolby MP Matrix was the professional system that encoded 4 channels of film sound into 2. This track used by the Dolby Stereo theater system on a 35mm optical stereo print and decoded back to the original 4.0 Surround. The same 4 channel encoded stereo track was largely left unchanged and made available to consumers as "Dolby Surround" on Home Video. However, the original Dolby Surround decoders in 1982 were a simple passive matrix 3 channel decoder : L/R and Mono Surround. The surround was limited to 7kHz. It also had Dolby Noise Reduction and an adjustable delay for improved channel separation and to prevent dialog leaking and arriving to listeners' ears first. The front center channel was equally split between the left and right channels for phantom center reproduction. This differed from the Cinema Dolby Stereo system which used active steering and other processing to decode a center channel for dialog and center focused on screen action. Later on in 1987, the Pro Logic decoding system was released to consumers. It featured virtually the same type of 4 channel decoding as the Dolby Stereo theater processor with active steering logic and much better channel separation (up to 30dB) as well as including a dedicated center channel output for the first time. Many standalone Pro Logic decoders also included a phantom center option for compatibility with earlier non-Pro Logic Dolby Surround equipped home theaters to split the center channel signal to the L/R speakers for legacy phantom center reproduction.

Dolby Surround Pro Logic is the full name that refers to the matrix surround format and decoding system in one. When a Dolby Surround soundtrack is created in post production (Dolby MP Matrix), four channels of sound are matrix-encoded into an ordinary stereo (two-channel) soundtrack. The center channel is encoded by placing it equally in the left and right channels minus 3dB; and the surround channel is encoded using phase shift techniques for out of phase information (L-R). The surround channel was often used for ambient background sounds in the original recording, music scores and effects.

A Dolby Pro Logic decoder/processor "unfolds" the soundtrack back into its original 4.0 surround—left and right, center, and a single limited frequency-range (7 kHz low-pass filtered) mono rear channel—while systems lacking the decoder play back the audio as standard stereo.

Although Dolby Surround was introduced as an analog format, all Dolby Digital decoders incorporate a digitally implemented Dolby Surround Pro Logic decoder for digital stereo signals that carry matrix-encoded Dolby Surround. One of the first was the MSP400 surround sound receiver and amplifier by RCA for their high-end Dimensia brand. It was released in 1987 for the Digital Command Component System.

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Tethys Petroleum Limited is an oil and gas company active in the field of exploration and production. The company is focused on central Asia, mainly in Kazakhstan.

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The Texas Pacific Land Corporation (NYSE: TPL) is a publicly traded land trust with its administrative office in Dallas, Texas. Owning well over 900,000 acres (3,600 km2) in 20 West Texas counties, TPL is among the largest private landowners in the state of Texas. The corporation previously operated under the name "Texas Pacific Land Trust".

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