Electronics


Research has shown that people speculated about computers playing music, possibly because computers would make noises, but there is no evidence that they actually did it. Pietro Grossi was an Italian pioneer of computer composition and tape music, who first experimented with electronic techniques in the early sixties. He founded the S 2F M in 1963 to experiment with electronic sound and composition. The introduction of electrical recording in 1925 was followed by increased experimentation with record players.

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However, early junction transistors were relatively bulky devices that were difficult to manufacture on a mass-production basis, which limited them to a number of specialised applications. Relating to electrical devices that amplify and process electrical signals. Theoretical and experimental studies of electricity during the 18th and 19th centuries led to the development of the first electrical machines and the beginning of the widespread use of electricity. The trend has continued to the present day with modern nightclubs worldwide regularly playing electronic dance music .

In the late 1940s, experiments in sound-based composition using shellac record players were first conducted by Schaeffer. In 1950, the techniques of musique concrete were expanded when magnetic tape machines were used to explore sound manipulation practices such as speed variation and tape splicing. Today's electronics engineers have the ability to design circuits using premanufactured building blocks such as power supplies, semiconductors (i.e. semiconductor devices, such as transistors), and integrated circuits.

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With the proposed method, an accuracy of 76.91% and a ROC value of 90% were obtained. Identification of human emotion involving electroencephalogram signals has become an emerging field in health monitoring application as EEG signals can give us a more diverse insight on emotional states. The aim of this study is to develop an efficient framework based on deep learning concept for automatic identification of human emotion from EEG signals.

Even with a load of electronic gadgetry, you still need some musical ability to write a successful song. If confirmed by the Senate, Califf would oversee decisions on covid-19 vaccines along with a raft of other knotty issues, including the regulation of electronic cigarettes and effectiveness standards for prescription drugs. Edison effect was the result of the emission of electrons from the cathode, the hot filament in the lamp. The motion of the electrons to the anode, a metal plate, constituted an electric current that would not exist if the anode were negatively charged. The development of screen-printable electronic ink for flexible electronics.

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Dub music was pioneered by studio engineers, such as Sylvan Morris, King Tubby, Errol Thompson, Lee "Scratch" Perry, and Scientist, producing reggae-influenced experimental music with electronic sound technology, in recording studios and at sound system parties. These were fertile years for electronic music—not just for academia, but for independent artists as synthesizer technology became more accessible. By this time, a strong community of composers and musicians working with new sounds and instruments was established and growing. 1960 witnessed the composition of Luening's Gargoyles for violin and tape as well as the premiere of Stockhausen's Kontakte for electronic sounds, piano, and percussion. This piece existed in two versions—one for 4-channel tape, and the other for tape with human performers.

Therefore, emotions affect people's lives and decision-making mechanisms throughout their lives. However, the fact that emotions vary from person to person, being an abstract concept and being dependent on internal and external factors makes the studies in this field difficult. In recent years, studies based on electroencephalography signals, which perform emotion analysis in a more robust and reliable way, have gained momentum. In this article, emotion analysis based on EEG signals was performed to predict positive and negative emotions. In the second stage, the spectral entropy values of the EEG signals of all channels were calculated and these values were classified by the bidirectional long-short term memory architecture in the third stage. In the last stage, the performance of the deep-learning architecture was evaluated with accuracy, sensitivity, specificity and receiver operating characteristic curve.

In 1969, Matsushita released it as the SP-10, the first direct-drive turntable on the market, and the first in their influential Technics series of turntables. It was succeeded by the Technics SL-1100 and SL-1200 in the early 1970s, and they were widely adopted by hip hop musicians, with the SL-1200 remaining the most widely used turntable in DJ culture for several decades. Cage completed Williams Mix in 1953 while working with the Music for Magnetic Tape Project.

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