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Parallel Processing Method of Audio Compression Algorithms

机译:音频压缩算法的并行处理方法

摘要

1. TECHNICAL FIELD OF THE INVENTION;A method of parallel processing audio compression algorithms.;2. The technical problem to be solved by the invention;In order to process audio signals in real time, it is intended to provide a parallel processing method of an audio compression algorithm that performs compression using parallel processing while communicating using parameters.;3. Summary of Solution to Invention;A first step of receiving data and delivering the data to two programs respectively; A second step of extracting a pure tone component of a signal and extracting a noise component after performing a fast Fourier transform process; A third step of calculating a scale factor value and scale factor selection information after analyzing the subbands; Calculating a signal to mask ratio after calculating the masking threshold; And a fifth step of quantizing the subbands and generating a bit string after performing bit allocation.;4. Important uses of the invention;Used for real time processing of MPEG audio compression algorithms.
机译:1.并行处理音频压缩算法的方法; 2。本发明要解决的技术问题;为了实时处理音频信号,旨在提供一种音频压缩算法的并行处理方法,其在使用参数进行通信的同时使用并行处理执行压缩。发明内容解决方案的第一步:接收数据并将数据分别传送到两个程序的第一步;在执行快速傅立叶变换处理之后,提取信号的纯音成分并提取噪声成分的第二步骤;分析子带后,计算比例因子值和比例因子选择信息的第三步;在计算掩蔽阈值之后,计算信噪比;第五步,在进行位分配后,对子带进行量化并生成位串。本发明的重要用途;用于MPEG音频压缩算法的实时处理。

著录项

  • 公开/公告号KR19980037111A

    专利类型

  • 公开/公告日1998-08-05

    原文格式PDF

  • 申请/专利权人 양승택;이준;

    申请/专利号KR19960055812

  • 发明设计人 김성한;

    申请日1996-11-20

  • 分类号H04N7/13;

  • 国家 KR

  • 入库时间 2022-08-22 02:48:18

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