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The difference between bias noise and the noise of virgin tape is an indicator of tape uniformity. Another important but rarely quantified type of noise is modulation noise, which appears only in the presence of a recorded signal, and which cannot be reduced by Dolby or dbx noise reduction systems. [17]
Studer AG, a privately owned Swiss manufacturer of professional audio equipment, began development of high fidelity cassette recorders in late 1970s. Willi Studer was reluctant to diversify into the highly competitive cassette deck market; for most of the decade, the company's experience in cassette technology was limited to reliable but low-fidelity classroom equipment.
The individual sprockets on a Hyperglide cassette or freewheel are designed specifically to work with their neighbours. [3] For example, the 18-tooth sprocket on a wide-range cassette (such as one for a mountain bike) will have a different ramp pattern than the 18-tooth sprocket on a narrow-range cassette, because the number of teeth on the neighbouring sprocket requires a different ramp ...
At the "HCC-dagen" computer fair in Utrecht, Netherlands, between 24 and 26 November 1995, Philips presented the DCC-175 portable recorder that can be connected to an IBM-compatible PC using the "PC-link" cable. This was the only DCC recorder that can be connected to, and controlled by a computer, and it was only ever available in the Netherlands.
Cassette players in cars and for home use were often integrated with a radio receiver. In-car cassette players were the first to adopt automatic reverse ("auto-reverse") of the tape direction at each end, allowing a cassette to be played endlessly without manual intervention. Home cassette decks soon added the feature.
A freewheel and freewheel hub A freehub (above) for use with a cassette and a threaded hub (below) for use with a freewheel. A freewheel (also known as a block) consists of either a single sprocket or a set of sprockets mounted on a body which contains an internal ratcheting mechanism and mounts on a threaded hub. Threaded rear hubs were ...
WASHINGTON (Reuters) -U.S. President-elect Donald Trump on Saturday named his social media platform CEO Devin Nunes to lead an intelligence advisory panel and said his former intelligence chief ...
It relied on an ordinary cassette tape recorder for data storage. The main difference between the two machines lay in the internal software; when the ZX81 was released, ZX80 owners were able to upgrade by the relatively simple expedient of plugging a new ROM onto the circuit board.