---
title: "音频编码关键技术"
date: 2018-12-29
lastmod: 2020-01-05
weight: 2
type: 
icon: #
description: "音视频中阶路线图,音频编码关键技术"
# search related keywords
---

- 波形编码
  - 脉冲编码调制PCM (Pulse Code Modulation)
  - 自适应差分脉冲编码调制ADPCM (Adaptive Differential PCM)
  - 子带-自适应差分脉冲编码调制SB-ADPCM (Subband ADPCM)
- 参数编码
  - 线性预测编码LPC (Linear Predictive Coding)
- 混合编码
  - 码激励线性预测编码CELPC (Code-excited Linear Predictive Coding)
  - 矢量和激励线性预测编码VSELPC (Vector Sum Excited Linear Predictive Coding)
  - 规则脉冲激励长时预测RPE-LTP (Regular Pulse Excited-Long Term Prediction)
  - 低时延码激励线性预测LD-CELP (Low Delay-Code Excited Linear Prediction)
  - 多脉冲激励MPE (Multi-Pulse Excitation）
- 共轭结构代数码本激励线性预测编码方案CS-ACELP (conjugate-structure algebraic CELP)
  - 自适应预测编码技术
  - 矢量量化
  - 合成分析
  - 感觉加权