This paper analyzes the limitation of fixed gain quantization in G. 728 speech coding algorithm and proposes an adaptive quantization scheme with exact gain.
本文分析了G . 728语音编码算法增益固定量化的缺陷，设计了精确表示增益的自适应量化方案。
An adaptive quantization constrain set (AQCS) was proposed by using statistical property of quantization errors based on theory of projection onto the Narrow quantization constrain set (NQCS).
根据窄量化约束集(NQCS)理论，利用量化误差的统计特性，提出了一种改进量化约束集(AQCS)。
In this paper, we propose an adaptive digital image watermarking algorithm using successive subband quantization (SSQ) and human visual system (HVS) based on wavelet domain.
本文提出了一种基于连续子带量化(SSQ)和人类视觉系统(HVS)的小波域自适应数字水印算法。
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