Audio signal encoding method, program of audio signal encoding method, recording medium having program of audio signal encoding method recorded thereon, and audio signal encoding device

摘要

Disclosed herein is an audio signal encoding method for dividing an audio signal into a plurality of subband signals, allocating bits to said subband signals on a basis of psychoacoustic analysis, and encoding said audio signal, said audio signal encoding method including an evaluation criterion calculating step, a sorting step and a repetitive process step.