The EVRC(Enhanced Variable Rate Coder) rate decision algorithm is introduced in detail.
速率判决算法是变速率语音编码中最关键的技术之一,首先详细介绍了增强型变速率编解码(EVRC)速率判决的算法,然后具体阐述了如何在TMS320C54X系列的DSP上实现该算法。
Starting with the principal concepts of speech compressing coding, this paper introduces the algorithm and characteristics of the enhanced variable rate codec (EVRC) in detail.
本文从语音压缩编码的原理出发，详细介绍了增强型变速率编解码器的算法原理和特色。