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What is General Midi mean?
General MIDI (also known as GM or GM 1) is a standardized specification for electronic musical instruments that respond to MIDI messages. GM was developed by the American MIDI Manufacturers Association (MMA) and the Japan MIDI Standards Committee (JMSC) and first published in 1991. The official specification is available in English from the MMA, bound together with the MIDI 1.0 specification, and in Japanese from the Association of Musical Electronic Industry (AMEI).
GM imposes several requirements beyond the more abstract MIDI 1.0 specification. While MIDI 1.0 by itself provides a communications protocol which ensures that different instruments can interoperate at a fundamental level (e.g., that pressing keys on a MIDI keyboard will cause an attached MIDI sound module to play musical notes), GM goes further in two ways: it requires that all GM-compatible instruments meet a certain minimal set of features, such as being able to play at least 24 notes simultaneously (polyphony), and it attaches specific interpretations to many parameters and control messages which were left unspecified in the MIDI 1.0 spec, such as defining instrument sounds for each of the 128 possible program numbers.
GM ensures that playback of MIDI files sounds consistently between different devices compliant with the GM specification. Instrument selection in MIDI is done by assigning a "Program Number": this assignment previously was arbitrary, while a specific instrument is attributed to each program number with GM.
The GM 1 specification was superseded by General MIDI 2 in 1999; however, GM 1 is still commonly used. General MIDI was widely supported by computer game developers in the 1990s.
referencePosted on 26 Oct 2024, this text provides information on Miscellaneous in Business related to Business. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.
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