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  2. Surround sound - Wikipedia

    en.wikipedia.org/wiki/Surround_sound

    Other commercial formats include the competing DVD-Audio (DVD-A) and Super Audio CD (SACD) formats, and MP3 Surround. Cinema 5.1 surround formats include Dolby Digital and DTS . Sony Dynamic Digital Sound (SDDS) is an 8-channel cinema configuration that features 5 independent audio channels across the front with two independent surround ...

  3. Yamaha DSP-1 - Wikipedia

    en.wikipedia.org/wiki/Yamaha_DSP-1

    The Yamaha DSP-1 is a processor of early home theater surround sound equipment, produced in 1986. [1] The DSP-1 (referred to by Yamaha as a Digital Soundfield Processor) allowed owners to synthesize up to 6-channels of surround sound from 2 channel stereo sound via a complex digital signal processor (DSP).

  4. 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 ...

  5. Synthetic music mobile application format - Wikipedia

    en.wikipedia.org/wiki/Synthetic_music_mobile...

    Synthetic music [1] Mobile Application Format, abbreviated SMAF, is a music data format specified by Yamaha for portable electronic devices, such as cell phones and PDAs. The file extension for SMAF is .MMF and is common as ringtones for mobile phones with one of five sound chips. SMAF resembles MIDI, but also supports graphics and PCM sound

  6. Audio file format - Wikipedia

    en.wikipedia.org/wiki/Audio_file_format

    Audio file icons of various formats. An audio file format is a file format for storing digital audio data on a computer system. The bit layout of the audio data (excluding metadata) is called the audio coding format and can be uncompressed, or compressed to reduce the file size, often using lossy compression.

  7. Surround channels - Wikipedia

    en.wikipedia.org/wiki/Surround_channels

    This is part of the design for Tomlinson Holman's 10.2 surround sound. For movies surround channel information is usually more diffuse ambient noise. Some surround sound systems such as Dolby Digital EX and Pro Logic IIx incorporate a third (back surround) or even fourth surround channel (back left and back right). These channels are matrixed ...

  8. Yamaha XG - Wikipedia

    en.wikipedia.org/wiki/Yamaha_XG

    The XG-compatible Yamaha S-YXG50 SoftSynthesizer, which is discontinued, is an entirely software-based MIDI synth. It used a 2 MB or 4 MB wavetable sound set, and was common among non-professional users who needed a cheap, high-quality MIDI synthesizer for purposes such as playing video games that rely on MIDI for their music.

  9. Yamaha YM2612 - Wikipedia

    en.wikipedia.org/wiki/Yamaha_YM2612

    The YM2612, a.k.a. OPN2, is a sound chip developed by Yamaha.It is a member of Yamaha's OPN family of FM synthesis chips, and is derived from the YM2203. [1]The YM2612 is a six-channel FM synthesizer used in several game and computer systems, most notably in Sega's Mega Drive/Genesis video game console [2] as well as Fujitsu's FM Towns computer series. [3]