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An important technological development of that year was the invention of the Clavivox synthesizer by Raymond Scott with subassembly by Robert Moog. They were almost solely responsible for the electronics revolution of the first half of the twentieth century. They allowed for vastly more complicated systems and gave us radio, television, phonographs, radar, long-distance telephony and much more. They played a leading role in the field of microwave and high power transmission as well as television receivers until the middle of the 1980s. Vacuum tubes are still used in some specialist applications such as high power RF amplifiers, cathode ray tubes, specialist audio equipment, guitar amplifiers and some microwave devices.

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The Casio CZ-101 was the first and best-selling phase distortion synthesizer in the Casio CZ line. Released in November 1984, it was one of the first fully programmable polyphonic synthesizers that was available for under $500. Its initial list price of $795 made it the first fully programmable synthesizer that sold for less than $1000. It had 8-voice polyphony with one Digitally controlled oscillator per voice. Please help improve this section by clarifying or removing indiscriminate details. If importance cannot be established, the section is likely to be moved to another article, pseudo-redirected, or removed.

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The vacuum tube was no longer the only means of controlling electron flow. The MOSFET was subsequently invented in 1959, and was the first compact transistor that could be miniaturised and mass-produced. This played a key role in the emergence of microelectronics and the Digital Revolution.

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In 1980, Yamaha eventually released the first FM digital synthesizer, the Yamaha GS-1, but at an expensive price. In 1983, Yamaha introduced the first stand-alone digital synthesizer, the DX7, which also used FM synthesis and would become one of the best-selling synthesizers of all time. The DX7 was known for its recognizable bright tonalities that was partly due to an overachieving sampling rate of 57 kHz. Some synth-pop bands created futuristic visual styles of themselves to reinforce the idea of electronic sounds were linked primarily with technology, as Americans Devo and Spaniards Aviador Dro.

In 1963, Korg released the Donca-Matic DA-20, an electro-mechanical drum machine. Korg released the Donca-Matic DC-11 electronic drum machine in 1966, which they followed with the Korg Mini Pops, which was developed as an option for the Yamaha Electone electric organ. Korg's Stageman and Mini Pops series were notable for "natural metallic percussion" sounds and incorporating controls for drum "breaks and fill-ins." Concurrently, composers began to experiment with newly developed sound-on-film technology. Recordings could be spliced together to create sound collages, such as those by Tristan Tzara, Kurt Schwitters, Filippo Tommaso Marinetti, Walter Ruttmann and Dziga Vertov. Further, the technology allowed sound to be graphically created and modified.

The first means of recording and reproducing audio was invented in the late 19th century with the mechanical phonograph. Record players became a common household item, and by the 1920s composers were using them to play short recordings in performances. Electronic systems design deals with the multi-disciplinary design issues of complex electronic devices and systems, such as mobile phones and computers.