Method for allocating optimum amount of bits to MPEG audio data

Details Method for allocating optimum amount of bits to MPEG audio data Method for allocating optimum amount of bits to MPEG audio data

1995-09-07

1998-02-24

MacDonald, Allen R.

395 231, 395 239, 395 235, 395 236, G10L 900

Patent

active

057218064

ABSTRACT:
A method for allocating an optimum amount of bits to MPEG audio data at high speed. A signal-to-mask ratio obtained through a psychoacoustic model is divided by 6 and the resultant integer quotient is defined as an array pointer. A valid bit allocation amount is obtained at the high speed according to the defined array pointer. The obtained valid bit allocation amount is compared with a fixed bit allocation amount. An optimum bit allocation amount is obtained in accordance with the compared result. Therefore, according to the present invention, the optimum bit allocation amount to the MPEG audio data can be obtained at the high speed with no unnecessary loop repetition by using the signal-to-mask ratio obtained through the psychoacoustic model.

REFERENCES:
patent: 5613035 (1997-03-01), Kim

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