Vector quantization (VQ) is an efficient lossy compression technique, whose prominent virtues are high compression ratio and simple decoding process, so it has become one of important compression techniques for speech and image coding.

• 矢量量化技术作为一种有效的有损压缩技术，具有压缩比大、解码算法简单的特点，而成为语音、图像压缩编码的重要技术之一。