0.75-power computing apparatus and method and program for...

Details 0.75-power computing apparatus and method and program for... 0.75-power computing apparatus and method and program for...

2006-02-28

2006-02-28

Mai, Tan V. (Department: 2193)

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Particular function performed

Reexamination Certificate

active

07007057

ABSTRACT:
To provide an audio signal quantization device in which an amount of arithmetical operation can be reduced. A 0.75-power computing apparatus includes: an inverse number computing unit; a first −0.5-power computing unit; a multiplication unit; a second −0.5-power computing unit; and a program storage medium that is connected to an outside, whereby a program stored in the program storage medium is executed to compute the 0.75-power in a quantization computing expression. The inverse number computing unit, the first −0.5-power computing unit, the multiplication unit, and the second −0.5-power computing unit operate in such a manner that a multiplication between an infinity and zero which leads its operation result to an indefinite value is inhibited.

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“Information Technology—Generic coding of moving pictures and associated audio, Part 7: Advanced Audio Coding, AAC,” ISO/IEC 13818-7, PPS. ii-v (introduction) and 1-88, © ISO/IEC, (1997).

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