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US Patent 7471988 Method and apparatus for automatic equalization mode activation

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Patent
Patent

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
7471988
Date of Patent
December 30, 2008
Patent Application Number
10489211
Date Filed
June 28, 2002
Patent Citations Received
‌
US Patent 11974338 Pairing devices by proxy
3
Patent Primary Examiner
‌
Walter F Briney, III
Patent abstract

A digital audio player and a method for processing encoded digital audio data, wherein the digital audio data is encoded using one of a plurality of encoding formats. The exemplary audio data player includes a hard disk or other data storage medium for storing data files, a microcontroller, buffer memory for anti-skip protection, and an audio decoder. The encoded audio data files and associated decoder files are downloaded from a personal computer or similar device to the audio data player hard drive. The player provides a menu-driven user interface for selection, sorting, and playback of stored audio data files. The audio decoder, generally a digital signal processor, provides various preset equalization modes. The preset modes are specific to audio genres such as jazz, pop, and rock. The user may select a specific equalization mode by using the user interface, or the preset equalization mode will be automatically set based on the genre, or other attribute information, included in a tag portion of the audio data file.

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