Electronics

The world's first computer to play music was CSIRAC, which was designed and built by Trevor Pearcey and Maston Beard. In 1951 it publicly played the Colonel Bogey March, of which no known recordings exist, only the accurate reconstruction. However, CSIRAC played standard repertoire and was not used to extend musical thinking or composition practice. CSIRAC was never recorded, but the music played was accurately reconstructed. The oldest known recordings of computer-generated music were played by the Ferranti Mark 1 computer, a commercial version of the Baby Machine from the University of Manchester in the autumn of 1951. Following his work with Studio d'Essai at Radiodiffusion Française , during the early 1940s, Pierre Schaeffer is credited with originating the theory and practice of musique concrète.

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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EBay is a great place to find affordable laptops, tablets, and desktop computers. Our huge inventory offers great new and used computers for the home or office. Authors retain the copyright of their papers and are strongly encouraged to release their articles under a Creative Commons license. All papers have DOIs, are reviewed on MathSciNet and ZBMath, and are indexed by Web of Science. The Electronic Journal of Combinatorics (E-JC) is a fully-refereed electronic journal with very high standards, publishing papers of substantial content and interest in all branches of discrete mathematics, including combinatorics, graph theory, and algorithms for combinatorial problems. The use of printed spiral coils as inductors in the construction of Wireless Power Transmission circuits can save space and be integrated with other circuit boards.

During the 1990s, with the proliferation of increasingly affordable music technology, electronic music production became an established part of popular culture. Contemporary electronic music includes many varieties and ranges from experimental art music to popular forms such as electronic dance music. Pop electronic music is most recognizable in its 4/4 form and more connected with the mainstream than preceding forms which were popular in niche markets. The first electronic musical devices were developed at the end of the 19th century.

Computers, electronic clocks, and programmable logic controllers are constructed of digital circuits. The number of different analog circuits so far devised is huge, especially because a 'circuit' can be defined as anything from a single component, to systems containing thousands of components. At some point in my daughter’s infancy, we discovered a silly little toy called the Tap & Play Magic Piano.

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.

"In Kontakte, Stockhausen abandoned traditional musical form based on linear development and dramatic climax. This new approach, which he termed 'moment form', resembles the 'cinematic splice' techniques in early twentieth-century film." In the 1950s, Japanese electronic musical instruments began influencing the international music industry. Ikutaro Kakehashi, who founded Ace Tone in 1960, developed his own version of electronic percussion that had been already popular on the overseas electronic organ. At NAMM 1964, he revealed it as the R-1 Rhythm Ace, a hand-operated percussion device that played electronic drum sounds manually as the user pushed buttons, in a similar fashion to modern electronic drum pads. Synth-pop sometimes used synthesizers to replace all other instruments but was more common that bands had one or more keyboardists in their line-ups along with guitarists, bassists, and/or drummers.

We also developed alternative fabrication by magnetron sputtering with two-step direct e-beam patterning. With the explosive growth of voice information interaction, there is an urgent need for safe and effective compression transmission methods. In this paper, compressive sensing is used to realize the compression and encryption of speech signals.

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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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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 .

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.