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High efficiency coding method, high efficiency code decoding method, high efficiency code coding apparatus, high efficiency code decoding apparatus, and high efficiency coding / decoding system
High efficiency coding method, high efficiency code decoding method, high efficiency code coding apparatus, high efficiency code decoding apparatus, and high efficiency coding / decoding system
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机译：高效编码方法，高效编码解码方法，高效编码编码设备，高效编码解码设备和高效编码/解码系统
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摘要
And performs variable bit allocation between channels for samples in time regions or frequency regions of a plurality of channels (CH1 to CH8). This high-efficiency encoding method is a method in which the bit times of channels (CH1, CH3, CH6) for distributing a bit amount larger than a certain reference amount (for example, 147 kbps) are multiplied by a first bit amount not exceeding 147 kbps, And decomposes and quantizes the second bit-rate (bit-rate over 147 kbps). This high-efficiency encoding method allows a decoder which performs bit allocation in channels to reproduce compressed signals without deteriorating sound quality, by using a bit rate smaller than a predetermined value for each well-used channel, , And by using a bit allocation technique between channels, it is possible to reproduce compressed signals while maintaining a high sound quality.
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