首页> 外国专利> SYSTEM AND METHOD OF DIGITAL COMPRESSION AND DECOMPRESSION USING SCALED QUANTIZATION

SYSTEM AND METHOD OF DIGITAL COMPRESSION AND DECOMPRESSION USING SCALED QUANTIZATION

机译:基于尺度量化的数字压缩与解压缩系统及方法

摘要

A system and method of compressing and decompressing a digital signal using scaled quantization of variable-sized packets of difference samples. Difference samples are generated and subdivided into packets. Packet boundaries may be moved to maximize resolution. A scale value is established for each packet, and scaled samples are generated for the difference samples. Packet boundaries, scale values, and scaled samples are then output as the compressed signal. Decompression is performed by multiplying scaled samples by the appropriate scale value. The resulting set of decompressed difference samples are sequentially added to an initial sample to produce a decompressed signal.
机译:一种使用差异样本的可变大小分组的缩放量化来压缩和解压缩数字信号的系统和方法。生成差异样本并将其细分为数据包。分组边界可以被移动以最大化分辨率。为每个数据包建立一个比例值,并为差异采样生成比例采样。然后,将数据包边界,比例值和比例采样作为压缩信号输出。通过将缩放后的样本乘以适当的缩放值来执行解压缩。将所得的一组解压缩差值样本顺序添加到初始样本中,以产生解压缩信号。

著录项

  • 公开/公告号WO9532555A1

    专利类型

  • 公开/公告日1995-11-30

    原文格式PDF

  • 申请/专利权人 DIGITAL PICTURES INC.;

    申请/专利号WO1995US06185

  • 发明设计人 KEEN DANA;KLEIN MARK DAVID;

    申请日1995-05-11

  • 分类号H03M7/30;

  • 国家 WO

  • 入库时间 2022-08-22 03:49:14

相似文献

  • 专利
  • 外文文献
  • 中文文献
获取专利

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号