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MIDI is a technical standard that describes a communications protocol, digital interface, and electrical connectors that connect a wide variety of electronic musical instruments, computers, and related audio devices for playing, editing, and recording music. The specification originates in the paper Universal Synthesizer Interface published by Dave Smith and Chet Wood of Sequential Circuits at the 1981 Audio Engineering Society conference in New York City.
A music sequencer is a device or application software that can record, edit, or play back music, by handling note and performance information in several forms, typically CV/Gate, MIDI, or Open Sound Control (OSC), and possibly audio and automation data for DAWs and plug-ins.
General MIDI 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).
The Electronic Industries Alliance was an American standards and trade organization composed as an alliance of trade associations for electronics manufacturers in the United States. They developed standards to ensure the equipment of different manufacturers was compatible and interchangeable. The EIA ceased operations on February 11, 2011, but the former sectors continue to serve the constituencies of EIA.
A440 (also known as Stuttgart pitch) is the musical pitch corresponding to an audio frequency of 440 Hz, which serves as a tuning standard for the musical note of A above middle C, or A4 in scientific pitch notation. It is standardized by the International Organization for Standardization as ISO 16. While other frequencies have been (and occasionally still are) used to tune the first A above middle C, A440 is now commonly used as a reference frequency to calibrate acoustic equipment and to tune pianos, violins, and other musical instruments.
AMEI, or Amei, or A-mei may refer to:
The Japan Electronics and Information Technology Industries Association is a Japanese trade organization for the electronics and IT industries. It was formed in 2000 from two earlier organizations, the Electronic Industries Association of Japan and the Japan Electronic Industries Development Association.
Scientific pitch notation (SPN), also known as American standard pitch notation (ASPN) and international pitch notation (IPN), is a method of specifying musical pitch by combining a musical note name and a number identifying the pitch's octave.
The USB Implementers Forum (USB-IF) is a nonprofit organization created to promote and support USB. Its main activities are the promotion and marketing of USB, Wireless USB, USB On-The-Go, and the maintenance of the specifications, as well as a compliance program.
Ikutaro Kakehashi, also known by the nickname Taro, was a Japanese engineer, inventor, and entrepreneur. He founded the musical instrument manufacturers Ace Tone, Roland Corporation, and Boss Corporation, and the audiovisual electronics company ATV Corporation.
SEMI is an industry association comprising companies involved in the electronics design and manufacturing supply chain. They provide equipment, materials and services for the manufacture of semiconductors, photovoltaic panels, LED and flat panel displays, micro-electromechanical systems (MEMS), printed and flexible electronics, and related micro and nano-technologies.
The EIAJ connector type, more formally known as EIAJ RC-5320A, is a type of coaxial power connector or jack for small appliances.
MIDI Show Control, or MSC, is a significant Real Time System Exclusive extension of the international Musical Instrument Digital Interface (MIDI) standard. MSC enables all types of entertainment equipment to easily communicate with each other through the process of show control.
The MIDI Manufacturers Association (MMA) is a non-profit trade organization where companies work together to create MIDI standards that assure compatibility among MIDI products. The MMA is a U.S. organization established in 1985 by the original developers of the MIDI 1.0 Specification in 1983. Since 1985 the MMA has produced 11 new specifications and adopted 38 sets of enhancements to MIDI.
The Japan MIDI Standards Committee (JMSC) is the body that ratifies and proposes MIDI standards within the Japanese manufacturing and developer community. It now operates within the Association of Musical Electronics Industry (AMEI). The JMSC ratifies MIDI as Japanese Industrial Standards through the Japanese Industrial Standards Committee.
The Japan Electronic Industry Development Association was an industry research, development, and standards body for electronics in Japan. It was merged with EIAJ to form JEITA on November 1, 2000.
Founded in 1948, the Electronic Industries Association of Japan (EIAJ) was one of two Japanese electronics trade organizations that were merged into the Japan Electronics and Information Technology Industries Association (JEITA).
A variable-length quantity (VLQ) is a universal code that uses an arbitrary number of binary octets to represent an arbitrarily large integer. A VLQ is essentially a base-128 representation of an unsigned integer with the addition of the eighth bit to mark continuation of bytes. VLQ is identical to LEB128 except in endianness. See the example below.
A DLS format is any of the standardized file formats for digital musical instrument sound banks. The DLS standards also include detailed specifications for how MIDI protocol-controlled music synthesizers should render the instruments in a DLS file. As a result, DLS can also be considered primarily a synthesizer specification and only secondarily a file format.
The Global Standards Collaboration (GSC) started life as The "Inter-regional Telecommunications Standards conference (ITSC) in 1990. This was an initiative of the T1 Committee of the United States who invited the other founding partner organizations ITU-T, ETSI and the Japanese TTC to the first ISC Meeting in Fredericksburg, VA. The goal was set by the “spirit of Melbourne”, stemming from a CCITT Plenary Assembly, to find a way of co-operation between Participating Standards Organizations (PSOs) from different regions of the world in order to facilitate global standardization within the ITU. The ITSC focussed its work on fixed telecommunications networks.
References
- ↑ "AMEI Information". AMEI. July 3, 2009.
