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5.1 surround sound

Most common loudspeaker configuration for 5.1; used by Dolby Digital, SDDS, DTS, THX, and Dolby Pro Logic II. The white square in the center of the diagram depicts the low-frequency speaker. Each black square depicts a loudspeaker. The center speaker in the top line of the diagram is used for dialogue. The left and right speakers on either side of the center speaker are used to create stereo sound for music and other sound effects in the film. The left and right surround speakers in the bottom line create the surround sound effect.

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 standard surround sound audio component of digital broadcast and music.[3]

All 5.1 systems use the same speaker channels and configuration, having a Front Left (FL) and Front Right (FR), a Center Channel (CNT), two surround channels (Surround Left - SL and Surround Right - SR) and the low-frequency effects (LFE) channel designed for a subwoofer.[4][5]

  1. ^ "Surround Sound Examined: 5.1 vs 7.1 vs Virtual Surround - Tested.com". Tested. Archived from the original on 30 November 2012. Retrieved 6 June 2019.
  2. ^ "Understanding Surround Sound Formats". Crutchfield.com. 23 September 2009. Retrieved 7 March 2011.
  3. ^ "What is 5.1". Archived from the original on 17 March 2012.
  4. ^ "Help Guide | Names and functions of speakers". helpguide.sony.net. Retrieved 12 June 2023.
  5. ^ "Help Guide | Installing 5.1-channel speaker system". helpguide.sony.net. Retrieved 12 June 2023.

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