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METHODS OF ENCODING AND DECODING AUDIO SIGNAL USING NEURAL NETWORK MODEL, AND DEVICES FOR PERFORMING THE METHODS
METHODS OF ENCODING AND DECODING AUDIO SIGNAL USING NEURAL NETWORK MODEL, AND DEVICES FOR PERFORMING THE METHODS
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机译:使用神经网络模型编码和解码音频信号的方法,以及用于执行方法的设备
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摘要
The encoding method includes computing the first feature information of an input signal using a recurrent encoding model, quantizing the first feature information and producing the first feature bitstream, computing the first output signal from the quantized first feature information using a recurrent decoding model, computing the second feature information of the input signal using a nonrecurrent encoding model, quantizing the second feature information and producing the second feature bitstream, computing the second output signal from the quantized second feature information using a nonrecurrent decoding model, determining an encoding mode based on the input signal, the first and second output signals, and the first and second feature bitstreams, and outputting an overall bitstream by multiplexing an encoding mode bit and one of the first feature bitstream and the second feature bitstream depending on the encoding mode.
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