CPC G10L 19/032 (2013.01) | 6 Claims |
1. An encoding method for audio signal comprising:
computing first feature information of an input audio signal inputting the input audio signal to a recurrent encoding model;
generating a first bitstream by quantizing the first feature information;
generating a first output signal from a quantized first feature information by inputting the quantized first feature information a recurrent decoding model;
calculating a residual signal by subtracting the first output signal from the input audio signal;
computing second feature information of the residual signal by inputting the residual signal to a nonrecurrent encoding model;
generating a second bitstream by quantizing the second feature information; and
outputting an overall bitstream by multiplexing the first bitstream and the second bitstream.
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