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  2. R-S-T system - Wikipedia

    en.wikipedia.org/wiki/R-S-T_system

    The S stands for "Strength". Strength is an assessment of how powerful the received signal is at the receiving location. Although an accurate signal strength meter can determine a quantitative value for signal strength, in practice this portion of the RST code is a qualitative assessment, often made based on the S meter of the radio receiver at the location of signal reception.

  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. List of Yamaha Corporation products - Wikipedia

    en.wikipedia.org/wiki/List_of_Yamaha_Corporation...

    PSR-OR700 (2007, Oriental version of Yamaha PSR-S700) PSR-A2000 (2012, Oriental model and black version of Yamaha PSR S710. And the first A series whose Pitch Band and Modulation uses a Joystick) PSR-A3000 (2016, Oriental version based on Yamaha PSR-S770 and first A Series to have multiple colours in the board)

  5. AV receiver - Wikipedia

    en.wikipedia.org/wiki/AV_receiver

    An audio/video receiver (AVR) or a stereo receiver is a consumer electronics component used in a home theater, home audio, or hi-fi system. Its purpose is to receive audio and video signals from a number of sources, and to process them and provide power amplifiers to drive loudspeakers , and/or route the video to displays such as a television ...

  6. Continuous Tone-Coded Squelch System - Wikipedia

    en.wikipedia.org/wiki/Continuous_Tone-Coded...

    Receivers in a system using 67.0 Hz can take noticeably longer to decode than ones using 203.5 Hz, and they can take longer than one decoding 250.3 Hz. In some repeater systems, the time lag can be significant. The lower tone may cause one or two syllables to be clipped before the receiver audio is unmuted (is heard).

  7. Yamaha Corporation - Wikipedia

    en.wikipedia.org/wiki/Yamaha_Corporation

    Yamaha Corporation (ヤマハ株式会社, Yamaha Kabushiki gaisha, / ˈ j ɑː m ɒ ˌ h ɑː /; Japanese pronunciation:) is a Japanese musical instrument and audio equipment manufacturer. It is one of the constituents of Nikkei 225 and is the world's largest musical instrument manufacturing company.

  8. Space–time code - Wikipedia

    en.wikipedia.org/wiki/Space–time_code

    A space–time code (STC) is a method employed to improve the reliability of data transmission in wireless communication systems using multiple transmit antennas. STCs rely on transmitting multiple, redundant copies of a data stream to the receiver in the hope that at least some of them may survive the physical path between transmission and ...

  9. Out of Phase Stereo - Wikipedia

    en.wikipedia.org/wiki/Out_Of_Phase_Stereo

    When a sine wave is mixed with one of identical frequency but opposite amplitude (ie: of an inverse polarity), the combined result is silence. [2] A two-channel stereo recording contains a number of waveforms; sounds that are panned to the extreme left or right will contain the greatest difference in amplitude between the two channels, while those towards the centre will contain the smallest.