Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Masking and Demasking Agents

Masking and Demasking Agents

EDTA titrations may necessitate masking and demasking agents to temporarily protect a particular metal ion in a mixture from the EDTA reaction. These agents facilitate the sequential analysis of the metal ions by forming stable complexes with some—but not all—metal ions during certain steps.
There are many masking agents, such as cyanide, fluoride, triethanolamine, thiourea, and 2,3-bis(sulfanyl)propan-1-ol (formerly 2,3-dimercapto-1-propanol), with the masking agent chosen based on...

You might also read

Related Articles

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

Sort by

Same author

Deep learning-based environmental source separation and sound enhancement: Advancements for cochlear implant and normal hearing listeners.

The Journal of the Acoustical Society of America·2026

Same author

Capabilities of the CCi-MOBILE cochlear implant research platform for real-time sound coding.

The Journal of the Acoustical Society of America·2025

Same author

Speech Enhancement for Cochlear Implant Recipients using Deep Complex Convolution Transformer with Frequency Transformation.

IEEE/ACM transactions on audio, speech, and language processing·2025

Same author

Multi-objective non-intrusive hearing-aid speech assessment model.

The Journal of the Acoustical Society of America·2024

Same author

Advanced accent/dialect identification and accentedness assessment with multi-embedding models and automatic speech recognition.

The Journal of the Acoustical Society of America·2024

Same author

Child-adult speech diarization in naturalistic conditions of preschool classrooms using room-independent ResNet model and automatic speech recognition-based re-segmentation.

The Journal of the Acoustical Society of America·2024

Search research articles

Related Experiment Video

Updated: May 6, 2026

A Protocol for Comprehensive Assessment of Bulbar Dysfunction in Amyotrophic Lateral Sclerosis ALS

A Protocol for Comprehensive Assessment of Bulbar Dysfunction in Amyotrophic Lateral Sclerosis ALS

Published on: February 21, 2011

A NEW MASK-BASED OBJECTIVE MEASURE FOR PREDICTING THE INTELLIGIBILITY OF BINARY MASKED SPEECH.

Chengzhu Yu¹, Kamil K Wójcicki, P C Loizou

¹Dept. of Electrical Engineering, Erik Jonsson School of Enigneering and Computer Science, University of Texas at Dallas, Richardson, TX 75080.

Proceedings of the ... IEEE International Conference on Acoustics, Speech, and Signal Processing. ICASSP (Conference)

|November 7, 2013

Summary

This study introduces a novel weighting method for objective speech intelligibility measures. By considering loudness in time-frequency units, the new measure significantly improves performance over existing methods.

Keywords:

Speech intelligibility ideal binary mask objective measure speech separation

More Related Videos

Author Spotlight: Investigating the Impact of Emotional Prosodies on Voice Recognition and Perception

Author Spotlight: Investigating the Impact of Emotional Prosodies on Voice Recognition and Perception

Published on: August 9, 2024

Behavioral Assessment of Hearing in 2 to 4 Year-old Children: A Two-interval, Observer-based Procedure Using Conditioned Play-based Responses

Behavioral Assessment of Hearing in 2 to 4 Year-old Children: A Two-interval, Observer-based Procedure Using Conditioned Play-based Responses

Published on: January 23, 2017

Related Experiment Videos

Last Updated: May 6, 2026

A Protocol for Comprehensive Assessment of Bulbar Dysfunction in Amyotrophic Lateral Sclerosis ALS

A Protocol for Comprehensive Assessment of Bulbar Dysfunction in Amyotrophic Lateral Sclerosis ALS

Published on: February 21, 2011

Author Spotlight: Investigating the Impact of Emotional Prosodies on Voice Recognition and Perception

Author Spotlight: Investigating the Impact of Emotional Prosodies on Voice Recognition and Perception

Published on: August 9, 2024

Behavioral Assessment of Hearing in 2 to 4 Year-old Children: A Two-interval, Observer-based Procedure Using Conditioned Play-based Responses

Behavioral Assessment of Hearing in 2 to 4 Year-old Children: A Two-interval, Observer-based Procedure Using Conditioned Play-based Responses

Published on: January 23, 2017

Area of Science:

Speech processing
Acoustic signal analysis
Machine learning for audio

Background:

Objective speech intelligibility measures evaluate binary masking algorithms.
Current measures compare estimated masks to ideal binary masks (IdBM).
Existing methods often weigh all time-frequency (T-F) units equally.

Purpose of the Study:

To enhance existing mask-based objective speech intelligibility measures.
To introduce a T-F unit weighting strategy based on target or masker loudness.

Main Methods:

Developed a novel objective measure for speech intelligibility.
Weighted time-frequency units based on loudness of target speech or masker.
Compared the proposed measure against existing mask-based objective measures.

Main Results:

The proposed objective measure demonstrated significantly improved performance.
Weighting T-F units by loudness enhanced measure accuracy.
Outperformed two existing mask-based objective measures.

Conclusions:

Loudness-weighted T-F units improve objective speech intelligibility measures.
The proposed method offers a more effective evaluation of masking algorithms.
This approach advances the field of speech signal processing.