Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Extraction: Partition and Distribution Coefficients01:14

Extraction: Partition and Distribution Coefficients

2.9K
The distribution law or Nernst's distribution law is the law that governs the distribution of a solute between two immiscible solvents. This law, also known as the partition law, states that if a solute is added to the mixture of two immiscible solvents at a constant temperature, the solute is distributed between the two solvents in such a way that the ratio of solute concentrations in the solvents remains constant at equilibrium.
For extracting a solute from an aqueous phase into an...
2.9K
Vector Algebra: Method of Components01:08

Vector Algebra: Method of Components

14.9K
It is cumbersome to find the magnitudes of vectors using the parallelogram rule or using the graphical method to perform mathematical operations like addition, subtraction, and multiplication. There are two ways to circumvent this algebraic complexity. One way is to draw the vectors to scale, as in navigation, and read approximate vector lengths and angles (directions) from the graphs. The other way is to use the method of components.
In many applications, the magnitudes and directions of...
14.9K
Extraction: Advanced Methods00:56

Extraction: Advanced Methods

521
Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is...
521
Independent and Dependent Sources01:18

Independent and Dependent Sources

1.5K
In electrical circuits, sources play a crucial role in providing power for the operation of the circuit. These sources can be broadly categorized into two types: independent and dependent.
Independent voltage or current sources supply a fixed amount of voltage or current, respectively, which is unaffected by other elements within the circuit. These are represented using specific symbols. Independent voltage sources are symbolized with polarities (+ and -), indicating the direction of the...
1.5K
Outliers and Influential Points01:08

Outliers and Influential Points

4.2K
An outlier is an observation of data that does not fit the rest of the data. It is sometimes called an extreme value. When you graph an outlier, it will appear not to fit the pattern of the graph. Some outliers are due to mistakes (for example, writing down 50 instead of 500), while others may indicate that something unusual is happening. Outliers are present far from the least squares line in the vertical direction. They have large "errors," where the "error" or residual is the...
4.2K
Vector Components in the Cartesian Coordinate System01:29

Vector Components in the Cartesian Coordinate System

21.6K
Vectors are usually described in terms of their components in a coordinate system. Even in everyday life, we naturally invoke the concept of orthogonal projections in a rectangular coordinate system. For example, if someone gives you directions for a particular location, you will be told to go a few km in a direction like east, west, north, or south, along with the angle in which you are supposed to move. In a rectangular (Cartesian) xy-coordinate system in a plane, a point in a plane is...
21.6K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Exploring neuroprotective effects of Chuanzhitongluo capsule on an alzheimer's disease rat model.

Metabolic brain disease·2025
Same author

Mailuo Shutong Pill ameliorates diabetic foot ulcers in rats by suppressing ferroptosis induced by lipid peroxidation.

Journal of ethnopharmacology·2025
Same author

Efficacy and safety of Shouhui Tongbian Capsules, a traditional Chinese medicine, combined with 2L polyethylene glycol for bowel preparation before colonoscopy: a multicenter, randomized, single-blind, parallel-controlled clinical trial.

Therapeutic advances in gastroenterology·2025
Same author

Yuzhi Zhixue Granules regulate the JAK/STAT pathway to affect T-cell differentiation in the colon of ulcerative colitis.

Phytomedicine : international journal of phytotherapy and phytopharmacology·2025
Same author

Jingfang Granules alleviates the lipid peroxidation induced ferroptosis in rheumatoid arthritis rats by regulating gut microbiota and metabolism of short chain fatty acids.

Journal of ethnopharmacology·2024
Same author

Integrative microbiomics, proteomics and lipidomics studies unraveled the preventive mechanism of Shouhui Tongbian Capsules on cerebral ischemic stroke injury.

Journal of ethnopharmacology·2024

Related Experiment Video

Updated: Sep 6, 2025

Identification of Disease-related Spatial Covariance Patterns using Neuroimaging Data
14:27

Identification of Disease-related Spatial Covariance Patterns using Neuroimaging Data

Published on: June 26, 2013

15.8K

Efficient independent vector extraction of dominant source (L).

Lele Liao1, Guoliang Cheng1, Zhaoyi Gu1

  • 1Key Laboratory of Modern Acoustics, Institute of Acoustics, Nanjing University, Nanjing 210093, China.

The Journal of the Acoustical Society of America
|July 1, 2022
PubMed
Summary

This study introduces an efficient blind source extraction method for isolating a target speaker's voice. The fast fixed-point algorithm successfully extracts the dominant source, reducing computational load.

More Related Videos

Using Informational Connectivity to Measure the Synchronous Emergence of fMRI Multi-voxel Information Across Time
07:12

Using Informational Connectivity to Measure the Synchronous Emergence of fMRI Multi-voxel Information Across Time

Published on: July 1, 2014

12.4K
Cortical Source Analysis of High-Density EEG Recordings in Children
09:32

Cortical Source Analysis of High-Density EEG Recordings in Children

Published on: June 30, 2014

21.5K

Related Experiment Videos

Last Updated: Sep 6, 2025

Identification of Disease-related Spatial Covariance Patterns using Neuroimaging Data
14:27

Identification of Disease-related Spatial Covariance Patterns using Neuroimaging Data

Published on: June 26, 2013

15.8K
Using Informational Connectivity to Measure the Synchronous Emergence of fMRI Multi-voxel Information Across Time
07:12

Using Informational Connectivity to Measure the Synchronous Emergence of fMRI Multi-voxel Information Across Time

Published on: July 1, 2014

12.4K
Cortical Source Analysis of High-Density EEG Recordings in Children
09:32

Cortical Source Analysis of High-Density EEG Recordings in Children

Published on: June 30, 2014

21.5K

Area of Science:

  • Signal Processing
  • Audio Analysis
  • Machine Learning

Background:

  • Complete decomposition via blind source separation is computationally intensive and unnecessary for isolating a single target speaker.
  • Existing methods may not be optimal for scenarios where only one source's speech is desired.

Purpose of the Study:

  • To propose a computationally efficient blind source extraction method.
  • To address the computational demands of traditional blind source separation for single-speaker extraction.
  • To develop a method effective under the assumption of a dominant target source.

Main Methods:

  • Utilized a fast fixed-point optimization algorithm for efficient source extraction.
  • Introduced a one-unit scaling operation to resolve scaling ambiguity inherent in source extraction.
  • Assumed the average power of the target source exceeds that of interfering sources.

Main Results:

  • The proposed method demonstrated significant computational efficiency compared to complete decomposition.
  • Experimental results validated the successful extraction of the dominant source.
  • The scaling ambiguity was effectively resolved by the proposed operation.

Conclusions:

  • The developed blind source extraction method offers a computationally efficient alternative for isolating a target speaker.
  • The method is particularly effective when the target source has higher average power than interfering sources.
  • This approach simplifies the process of extracting specific audio sources from mixed signals.