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  2. Test CD - Wikipedia

    en.wikipedia.org/wiki/Test_CD

    A test CD is a compact disc containing tracks of musical and technical tests and demonstrations. Most of the tracks are made of electronic signals and pure frequencies . The purpose of these specialized compact discs is to make accurate tests and calibrate audio equipment .

  3. Surround sound - Wikipedia

    en.wikipedia.org/wiki/Surround_sound

    Surround sound is a technique for enriching the fidelity and depth of sound reproduction by using multiple audio channels from speakers that surround the listener (surround channels). Its first application was in movie theaters .

  4. DualDisc - Wikipedia

    en.wikipedia.org/wiki/DualDisc

    How a hybrid Super Audio CD works. The biggest competition to DualDisc was the hybrid Super Audio CD (SACD), which was developed by Sony and Philips Electronics, the same companies that created the standard CD. DualDiscs and hybrid SACDs were competing solutions to the problem of providing higher-resolution audio on a disc that can still be ...

  5. 5.1 surround sound - Wikipedia

    en.wikipedia.org/wiki/5.1_surround_sound

    5.1 surround sound ("five-point one") is the common name for surround sound audio systems. 5.1 is the most commonly used layout in home theatres. [1] It uses five full-bandwidth channels and one low-frequency effects channel (the "point one"). [2] Dolby Digital, Dolby Pro Logic II, DTS, SDDS, and THX are all common 5.1 systems. 5.1 is also the ...

  6. DTS, Inc. - Wikipedia

    en.wikipedia.org/wiki/DTS,_Inc.

    DTS Neo:PC: This is a technology based on the DTS Neo:6 matrix surround technology, which transforms any stereo content (MP3, WMA, CD Audio, or games) into a simulated 7.1-channel surround sound experience. The 7.1-channel surround sound is output as a DTS stream for output via a S/PDIF cable port.

  7. The best surround sound systems in 2024 - AOL

    www.aol.com/news/best-surround-sound-systems...

    Logitech Z906 5.1 $ at Amazon. Logitech Z906 5.1 $ at Walmart. 5.1 is the primary spec to meet in a surround sound system, and this setup from Logitech meets all the basic requirements, with a ...

  8. Sound test - Wikipedia

    en.wikipedia.org/wiki/Sound_test

    A sound test is a function built into the options screen of many video games.This function was originally meant to test whether the game's music and sounds would function correctly (hence the name), as well as giving the player the ability to compare samples played in Monaural, Stereophonic and later Surround sound.

  9. Grammy Award for Best Immersive Audio Album - Wikipedia

    en.wikipedia.org/wiki/Grammy_Award_for_Best...

    The category was renamed Best Immersive Audio Album for the 2019 Grammy season. [1] According to NARAS, "driven by the technological side of music evolution, the Best Surround Sound Album category [was] renamed Best Immersive Audio Album. The same goes for the Field to which it belongs.