As the kernel high-quality coding of audio criterion of the standard MPEG-4, MPEG-4 AAC is the most advanced multi-track coding of audio technology of all existing psychoacoustic coding standards.

• MEPG-4AAC作为MPEG-4标准中的高质量音频编码核心规范，是目前所有感知音频编码标准中最先进的多声道音频压缩编码核心技术。