回顾40年音频编码发展，解析从MP3到现代系统的演进历程。
Perceptual Audio Coding: A 40-Year Historical Perspective
- 梳理感知音频编码40年关键进展，聚焦技术演进路径。
- 涵盖从基础感知编码器到集成编解码系统的完整发展历程。
- 适合对音频压缩、多媒体技术演进感兴趣的读者。
在音频与声学信号处理的发展史上，感知音频编码无疑是一个辉煌的成功案例，其广泛应用遍及各类数字媒体设备，包括计算机、平板、手机、机顶盒和数字广播。从技术角度看，感知音频编码经历了从最初简单的感知驱动编码器（如流行的MP3格式）到如今全面集成的编码/渲染系统的发展。本文通过厘清感知音频编码演化过程中的关键节点，提供该领域的历史全景图，并展望未来发展方向。
原文摘要 · Abstract (English)
In the history of audio and acoustic signal processing, perceptual audio coding has certainly excelled as a bright success story by its ubiquitous deployment in virtually all digital media devices, such as computers, tablets, mobile phones, set-top-boxes, and digital radios. From a technology perspective, perceptual audio coding has undergone tremendous development from the first very basic perceptually driven coders (including the popular mp3 format) to today's full-blown integrated coding/rendering systems. This paper provides a historical overview of this research journey by pinpointing the pivotal development steps in the evolution of perceptual audio coding. Finally, it provides thoughts about future directions in this area.
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