METHOD AND APPARATUS FOR DETERMINING ENCODING RATE IN VARIABLE RATE VOCODER

摘要

PROBLEM TO BE SOLVED: To provide a method and an apparatus for determining an encoding rate in a variable rate vocoder. SOLUTION: The apparatus for determining an encoding rate in a variable rate vocoder comprises: subband energy computation means 4 and 6 for receiving an input signal and determining a plurality of subband energy values in accordance with a predetermined subband energy computation format; and an encoding rate determination means 16 for receiving the plurality of subband energy values and selecting or determining the encoding rate in accordance with the plurality of subband energy values. COPYRIGHT: (C)2008,JPO&INPIT