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Wave Radio. Wave Radio/CD. The "Wave Radio" (which has since become known as "Wave Radio I") was an AM/FM clock radio that was introduced in 1993. It was smaller than the Acoustic Wave Music System and used two 2.5-inch speakers. [3] A "Wave Radio/CD" model was introduced in 1998 and was essentially a Wave Radio I with a CD player.
The iPod is a discontinued series of portable media players and multi-purpose mobile devices designed and marketed by Apple Inc. [2] [3] The first version was released on November 10, 2001, about 8+1⁄2 months after the Macintosh version of iTunes was released. Apple sold an estimated 450 million iPod products as of 2022.
The iPod Nano (stylized and marketed as iPod nano) is a discontinued portable media player designed and formerly marketed by Apple Inc. The first-generation model was introduced on September 7, 2005, as a replacement for the iPod Mini, [2] using flash memory for storage.
iPod. The iPod Classic (stylized and marketed as iPod classic and originally simply iPod) is a discontinued portable media player created and formerly marketed by Apple Inc. There were six generations of the iPod Classic, as well as a spin-off (the iPod Photo) that was later re-integrated into the main iPod line.
Roland SC-55. The Roland MT-32 Multi-Timbre Sound Module is a MIDI synthesizer module first released in 1987 by Roland Corporation. It was originally marketed to amateur musicians as a budget external synthesizer with an original list price of $695. However, it became more famous along with its compatible modules as an early de facto standard ...
Audio system measurements are a means of quantifying system performance. These measurements are made for several purposes. Designers take measurements so that they can specify the performance of a piece of equipment. Maintenance engineers make them to ensure equipment is still working to specification, or to ensure that the cumulative defects ...
The iPod Shuffle (stylized and marketed as iPod shuffle) is a discontinued digital audio player designed and formerly marketed by Apple Inc. It was the smallest model in Apple's iPod family, and was the first iPod to use flash memory .
Perceptual Evaluation of Audio Quality (PEAQ) is a standardized algorithm for objectively measuring perceived audio quality, developed in 1994–1998 by a joint venture of experts within Task Group 6Q of the International Telecommunication Union's Radiocommunication Sector . It was originally released as ITU-R Recommendation BS.1387 in 1998 and ...