Related Experiment Video
Updated: Feb 12, 2026
08:51
The Use of Thermal Infra-Red Imaging to Detect Delayed Onset Muscle Soreness
Published on: January 22, 2012
19.8K
A new method of onset and offset detection in ensemble singing
Sara D'Amario1, Helena Daffern1, Freya Bailes2
1Department of Electronic Engineering, University of York , York , UK.
Logopedics, Phoniatrics, Vocology
|March 28, 2018
Summary
This study introduces a new method for analyzing singing, improving note detection accuracy. It also reveals insights into singer synchronization during duets, influenced by visual cues and leadership dynamics.
Area of Science:
- Music Information Retrieval
- Bioacoustics
- Signal Processing
Background:
- Accurate detection of phonation onset/offset and note boundaries is crucial for music analysis.
- Existing methods for note detection in singing have limitations in performance and accuracy.
- Understanding singer synchronization is key to analyzing ensemble performance dynamics.
Purpose of the Study:
- To develop and evaluate a novel method for precise detection of phonation and note events in sung phrases.
- To investigate the temporal synchronization patterns between singers in duets.
- To explore factors influencing synchronization, such as visual contact and leader-follower dynamics.
Main Methods:
- Combination of electrolaryngography and acoustic analysis.
- Application of the TIMEX peak-picking algorithm for event detection.
- Analysis of singing duo recordings with manual annotations by experts.
Main Results:
- The novel method achieved 78% performance accuracy within a 50ms tolerance, outperforming state-of-the-art techniques (around 60%).
- Pilot study on duets revealed bidirectional temporal adaptations between singers.
- Synchronization precision and tendencies (leading/lagging) were potentially affected by visual contact and leader-follower relationships.
Conclusions:
- The developed method offers a significant improvement for detecting vocal events in singing.
- Singer synchronization in ensembles is a complex interplay of temporal adaptation and external factors.
- Findings provide a foundation for future research on ensemble singing dynamics and synchronization.
Related Concept Videos
01:18Effects of EDTA on End-Point Detection Methods
669
Different methods, such as visual observance of metal-ion indicators, spectroscopic techniques, and potentiometric methods, can determine the endpoint of an EDTA titration.
In the visual method, metal-ion indicators (metallochromic dyes), which have distinct colors in their free and complex forms, are added to the mixture to signal the titration's end point. They form stable complexes with metal ions, but these complexes are weaker than the corresponding metal–EDTA complexes. As a...
In the visual method, metal-ion indicators (metallochromic dyes), which have distinct colors in their free and complex forms, are added to the mixture to signal the titration's end point. They form stable complexes with metal ions, but these complexes are weaker than the corresponding metal–EDTA complexes. As a...
669
01:19Precipitation Titration: Endpoint Detection Methods
6.0K
In argentometric precipitation titrations, endpoints can be detected visually by the Mohr, Volhard, and Fajans methods. In the Mohr method, adding a soluble chromate indicator gives an initial yellow color to the analyte solution. As the titrant is added, the first excess of silver ions forms a red silver chromate precipitate, marking the endpoint. The solution pH should be maintained at about 8 by adding solid CaCO3.
In the Volhard method, a standard excess of AgNO3 is first added to the...
In the Volhard method, a standard excess of AgNO3 is first added to the...
6.0K
01:00Detection of Gross Error: The Q Test
7.1K
When one or more data points appear far from the rest of the data, there is a need to determine whether they are outliers and whether they should be eliminated from the data set to ensure an accurate representation of the measured value. In many cases, outliers arise from gross errors (or human errors) and do not accurately reflect the underlying phenomenon. In some cases, however, these apparent outliers reflect true phenomenological differences. In these cases, we can use statistical methods...
7.1K
01:29Methods of Sterilization I: Physical Methods
23.8K
As used in a healthcare facility, sterilization destroys all microorganisms through physical or chemical methods. The physical method includes steam, dry heat, boiling water, and radiation.
Steam sterilization uses non-toxic, low-cost moist heat in the form of saturated steam under pressure, which is fast, microbicidal, and sporicidal, and quickly warms and penetrates fabrics. Autoclaves, or steam sterilizers, expose each item to direct steam contact for a predetermined time at the necessary...
Steam sterilization uses non-toxic, low-cost moist heat in the form of saturated steam under pressure, which is fast, microbicidal, and sporicidal, and quickly warms and penetrates fabrics. Autoclaves, or steam sterilizers, expose each item to direct steam contact for a predetermined time at the necessary...
23.8K
01:10Detection of Black Holes
2.6K
Although black holes were theoretically postulated in the 1920s, they remained outside the domain of observational astronomy until the 1970s.
Their closest cousins are neutron stars, which are composed almost entirely of neutrons packed against each other, making them extremely dense. A neutron star has the same mass as the Sun but its diameter is only a few kilometers. Therefore, the escape velocity from their surface is close to the speed of light.
Not until the 1960s, when the first neutron...
Their closest cousins are neutron stars, which are composed almost entirely of neutrons packed against each other, making them extremely dense. A neutron star has the same mass as the Sun but its diameter is only a few kilometers. Therefore, the escape velocity from their surface is close to the speed of light.
Not until the 1960s, when the first neutron...
2.6K
03:50The Scientific Method
68.6K
Chemistry is an empirical science. Scientists often pose questions to understand the chemistry in everyday life and seek answers to these questions. To achieve this, scientists follow a definitive series of steps that together make up the Scientific Method. This approach involves making observations, asking questions, building a hypothesis, conducting experiments, analyzing results, and forming a conclusion.
68.6K