Title:
コンピューティング装置用のロウパワーディジタルオーディオデコード/再生システムおよび方法
Document Type and Number:
Japanese Patent JP2004536414
Kind Code:
A
Abstract:
A low-power digital audio decoding and playing system and method for computing devices provides a low-cost, low power-consumption, long-battery-life audio playing and decoding system, which may be used to play compressed audio files of various formats. In one aspect, a computer system adapted to play audio files comprises a system CPU, memory, at least one drive comprising compressed audio data, and an audio controller coupled to the system CPU, memory and drive. The audio controller is adapted to cause the drive to read the compressed audio data from the drive, to cause the system CPU to decompress the compressed audio data from the drive into decompressed audio data, to cause the decompressed audio to be stored in the memory, and to cause the decompressed audio data to be retrieved from the memory for playing.
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Inventors:
Sterling dew
Rijinia Chan
William El Densham
Shaw Chuen Har
James Lamb
Vorodimeier Ivehenko
Rijinia Chan
William El Densham
Shaw Chuen Har
James Lamb
Vorodimeier Ivehenko
Application Number:
JP2002546339A
Publication Date:
December 02, 2004
Filing Date:
November 29, 2001
Export Citation:
Assignee:
O2 Micro International Ltd.
International Classes:
G11B20/10; G06F1/32; G06F3/16; G06F9/445; G06F13/38; G06F17/00; G10L19/00; G10L21/00; G11B27/10; H04L; (IPC1-7): G11B20/10; G10L19/00
Attorney, Agent or Firm:
Masatake Shiga
Tadashi Takahashi
Takashi Watanabe
Masakazu Aoyama
Suzuki Mitsuyoshi
Kazuya Nishi
Yasuhiko Murayama
Shinya Mitsuhiro
Tadashi Takahashi
Takashi Watanabe
Masakazu Aoyama
Suzuki Mitsuyoshi
Kazuya Nishi
Yasuhiko Murayama
Shinya Mitsuhiro