Method and apparatus for automatic equalization mode activation
A technology of equalization mode and input device, which is applied in the direction of carrier indicating device, digital signal formatting, electronic editing of digitized and analog information signals, etc., and can solve problems such as inability to create or edit playlists
Inactive Publication Date: 2004-12-08
DOLBY INT AB
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Problems solved by technology
However, audio data players generally cannot create or edit playlists on the audio player itself
Method used
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[0026] The embodiments disclosed below are not intended to be exhaustive or to limit the invention to the exact forms disclosed in the following detailed description. Rather, the embodiment would be selected and described by one of ordinary skill in the art using its teachings.
[0027] figure 1 A block diagram of a portable audio data player 10 according to the present invention is given. The general structure and operation of the various elements are described below. However, a detailed description of the individual elements of audio data player 10 is well known to those of ordinary skill in the art and will not be discussed in detail here. The audio data player 10 includes a microcontroller 22 for controlling the various elements of the audio data player 10 and its overall operation, and the microcontroller 22 includes a buffer memory 25 for transferring data from a data memory 32 to an audio decoder. device DSP12. The microcontroller 22 includes an appropriate amount of ...
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A digital audio player (10) 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 (32) for storing data files, a microcontroller (22), buffer memory (25) for anti-skip protection, and an audio decoder (12). 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 (21, 26) 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 (21, 26), 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.
Description
technical field [0001] The present invention relates to an apparatus and method for processing digitally encoded audio data and is characterized by associated music management software. Background technique [0002] The use of portable audio data players capable of playing digitally encoded audio data has become commonplace. In particular, relatively small hand-held devices that can process digitally encoded audio data stored on solid-state memory devices have become popular. Also, as the demand for portable audio data players with higher data storage capacity has increased, another generation of players has been developed and gained popularity. These portable audio data players include miniaturized, high-capacity hard drives that are not as susceptible to jumping and other similar problems as typical hard drives used in personal computers ("PCs") and other applications. [0003] In an audio data player, digital audio data is first stored in a data storage device by downlo...
Claims
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IPC IPC(8): G11B20/10G11B20/12G11B27/00G11B27/034G11B27/10G11B27/34G11C7/16
CPCG11B27/34G11B2220/61G11B27/105G11C2207/16G11C7/16G11B27/034G11B20/10
Inventor 玛格丽特·P·史密斯莉萨·R·约翰逊辛·H·奇
Owner DOLBY INT AB