Ronics Pdf Compressor Machine
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How to Wreck a Nice Beach
The history of the vocoder: how popular music hijacked the Pentagon's speech scrambling weapon The vocoder, invented by Bell Labs in 1928, once guarded phones from eavesdroppers during World War II; by the Vietnam War, it was repurposed as a voice-altering tool for musicians, and is now the ubiquitous voice of popular music. In How to Wreck a Nice Beach—from a mis-hearing of the vocoder-rendered phrase “how to recognize speech”—music journalist Dave Tompkins traces the history of electronic voices from Nazi research labs to Stalin’s gulags, from the 1939 World’s Fair to Hiroshima, from artificial larynges to Auto-Tune. We see the vocoder brush up against FDR, JFK, Stanley Kubrick, Stevie Wonder, Neil Young, Kraftwerk, the Cylons, Henry Kissinger, and Winston Churchill, who boomed, when vocoderized on V-E Day, “We must go off!” And now vocoder technology is a cell phone standard, allowing a digital replica of your voice to sound human. From T-Mobile to T-Pain, How to Wreck a Nice Beach is a riveting saga of technology and culture, illuminating the work of some of music’s most provocative innovators.
Functional safety of machine controls
The EN ISO 13849-1 standard, “Safety of machinery – Safety-related parts of control systems”, contains provisions governing the design of such parts. This report is an update of BGIA Report 2/2008e of the same name. It describes the essential subject-matter of the standard in its third, revised 2015 edition, and explains its application with reference to numerous examples from the fields of electromechanics, fluidics, electronics and programmable electronics, including control systems employing mixed technologies. The standard is placed in its context of the essential safety requirements of the Machinery Directive, and possible methods for risk assessment are presented. Based upon this information, the report can be used to select the required Performance Level PLr for safety functions in control systems. The Performance Level PL which is actually attained is explained in detail. The requirements for attainment of the relevant Performance Level and its associated Categories, component reliability, levels of diagnostic coverage, software safety and measures for the prevention of systematic and common-cause failures are all discussed comprehensively. Background information is also provided on implementation of the requirements in real-case control systems. Numerous example circuits show, down to component level, how Performance Levels a to e can be engineered in the selected technologies with Categories B to 4. The examples provide information on the safety principles employed and on components with well-tried safety functionality. Numerous literature references permit closer study of the examples provided. The report shows how the requirements of EN ISO 13849-1 can be implemented in engineering practice, and thus makes a contribution to consistent application and interpretation of the standard at national and international level.
Consumption and Everyday Life
This engaging book introduces key ideas and theorists of consumption in an accessible way. Case studies that describe familiar acts of consumption from areas of everyday life are used to ground relevant debates and ideas.