Unlock instant, AI-driven research and patent intelligence for your innovation.

A Signal Denoising and Filtering Method Based on Distributed Algorithm

A distributed algorithm, denoising and filtering technology, applied in the field of signal processing, can solve the problem of low signal processing efficiency, achieve the effect of improving efficiency, great practicability, and reducing time consumption

Active Publication Date: 2021-10-22
HEFEI UNIV OF TECH
View PDF7 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The purpose of this application is to: solve the problem of low signal processing efficiency in the hardware circuit of the filtering method in the existing voice signal denoising, and realize fast and efficient voice signal filtering operation

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A Signal Denoising and Filtering Method Based on Distributed Algorithm
  • A Signal Denoising and Filtering Method Based on Distributed Algorithm
  • A Signal Denoising and Filtering Method Based on Distributed Algorithm

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0026] In order to better understand the above-mentioned purpose, features and advantages of the present application, the present application will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0027] In the following description, a lot of specific details are set forth in order to fully understand the application, however, the application can also be implemented in other ways different from those described here, therefore, the protection scope of the application is not limited by the following disclosure Limitations of specific embodiments.

[0028] like figure 1 As shown, this embodiment provides a signal denoising and filtering method based on a distributed algorithm, including:

[0029] Step 1, calculate the coefficient sum of the filter accordin...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

This application discloses a signal denoising filtering method based on a distributed algorithm. The method includes: Step 1. Calculate the coefficient sum of the filter according to the filtering effective coefficient of the filter and the input address, and correlate with the input address to generate First-level lookup table; step 2, according to the preset number of grouping groups, group the first-level lookup table on average, and record the grouped first-level lookup table as a second-level lookup table; step 3, calculate the pending The sum value of the data is recorded as the pre-addition data, and the pre-addition data is spliced ​​to generate a search address; step 4, according to the search address, the coefficient sum is searched in the secondary lookup table, and the pre-addition is performed according to the search address The data bits in the data, the coefficient sum is left-shifted, and the shifted result is accumulated, and the accumulated result is recorded as the filtered data of the data to be processed. Through the technical solution in this application, it is beneficial to realize fast and efficient voice signal filtering operation.

Description

technical field [0001] The present application relates to the technical field of signal processing, and in particular, to a signal denoising and filtering method based on a distributed algorithm. Background technique [0002] Speech is an important means and initial source for human beings to acquire knowledge and various information. Human beings cannot live without various sounds in nature, but in the process of acquiring speech, they will inevitably be disturbed and affected by the external environment. Such as the roar of various machines or electromagnetic interference in nature. [0003] The quality of the voice signal processing will affect and lead to the quality of the voice signal. Only by performing a series of digital processing on these voice signals can the unnecessary noise and clutter in the voice signal be properly filtered out to obtain a clean, effective, high-quality A good speech signal, so the denoising processing of the speech signal is of great pract...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): G10L21/0208
CPCG10L21/0208
Inventor 宋宇鲲杜诗强许丁鸿聂言硕张多利倪伟杜高明
Owner HEFEI UNIV OF TECH