The Roving Wire-Breaking Technique: a low cost mobility measurement procedure for string musical instruments

2018 ◽  
Vol 139 ◽  
pp. 140-148
Author(s):  
Guilherme Orelli Paiva ◽  
Frédéric Ablitzer ◽  
François Gautier ◽  
José Maria Campos dos Santos
Keyword(s):  
Low Cost ◽  
Measurement Procedure ◽  
Musical Instruments ◽  
Mobility Measurement

Nonspecific sensor arrays ("electronic tongue") for chemical analysis of liquids (IUPAC Technical Report)

2005 ◽  
Vol 77 (11) ◽  
pp. 1965-1983 ◽  
Author(s):  
Yu. Vlasov ◽  
A. Legin ◽  
A. Rudnitskaya ◽  
C. Di Natale ◽  
A. D'Amico
Keyword(s):  
Low Cost ◽  
Electronic Tongue ◽  
Sensor Arrays ◽  
Principal Component ◽  
Measurement Procedure ◽  
Potentiometric Sensors ◽  
Past Century ◽  
Multisensor Systems ◽  
Technical Report ◽  
History Of

The history of the development of potentiometric sensors over the past century demonstrates progress in constructing single, discrete (i.e., separate, to distinguish from sensor arrays) ion sensors, which have been made as selective as possible. Only a few types reveal high selectivity. However, easy measurement procedure, with low cost and availability, give rise to the search for new ways for their successful application. The present document describes a new concept for application of potentiometric multisensor systems, viz., sensor arrays for solution analysis, and the performance of this new analytical tool - the "electronic tongue". The electronic tongue is a multisensor system, which consists of a number of low-selective sensors and uses advanced mathematical procedures for signal processing based on the pattern recognition (PARC) and/or multivariate analysis [artificial neural networks (ANNs), principal component analysis (PCA), etc.]. Definitions of the multisensor systems and their parameters are suggested. Results from the application of the electronic tongue, both for quantitative and qualitative analysis of different mineral water and wine samples, are presented and discussed.

Materials in Musical Instruments: Romance of Art and Science

MRS Bulletin ◽  
1995 ◽  
Vol 20 (3) ◽  
pp. 25-27 ◽  
Author(s):  
Uwe J. Hansen
Keyword(s):  
Low Cost ◽  
Musical Instruments ◽  
Art And Science ◽  
Tone Quality ◽  
The Difference

A few years ago, I surprised my wife by asking for a guitar for Christmas. Our budget was limited in those days, so I started at the low-cost end and remember being disappointed with the tone quality of the guitar we purchased. Even with my poorly trained ear, I could tell the difference between a $50 guitar and a $100 instrument. The jump from $100 to $200 was also easily detectable. I could even make out the difference in tone quality between a $200 and a $500 guitar. One hand-crafted instrument with a $1000 price tag had a lovely tone. However, the limitations of my ear made it difficult to detect significant improvement in tone quality beyond that stage. At any rate, I realized that an instrument manufacturer would clearly not waste precious select woods on a “cigar-box” instrument. Since then, while trying to unlock the secrets of fine tone quality, the importance of materials in crafting fine musical instruments has become apparent during my investigations of various musical instruments in the laboratory.

Low-cost and scalable fabrication of wearable soft sensor for neck mobility measurement

2019 ◽  
Author(s):  
Rami A. Abu Shammeh ◽  
Iyad Al-Nasri ◽  
David Walton ◽  
Ana-Luisa Trejos ◽  
Aaron D. Price
Keyword(s):  
Low Cost ◽  
Soft Sensor ◽  
Mobility Measurement ◽  
Neck Mobility

scholarly journals The Meanings in Making: Openness, Technology and Inclusive Music Practices for People with Disabilities

2015 ◽  
Vol 25 ◽  
pp. 25-29 ◽  
Author(s):  
Koichi Samuels
Keyword(s):  
Northern Ireland ◽  
Open Source ◽  
Low Cost ◽  
People With Disabilities ◽  
Musical Instruments ◽  
Music Making ◽  
Creative Music ◽  
Creative Music Making

Digital musical instruments and interfaces can be designed to enable people with disabilities to participate in creative music-making. Advances in personalized, open source technologies and low-cost DIY components have made customized musical tools easily accessible for use in inclusive music-making. In this article, the author discusses his research with the Drake Music Project Northern Ireland on making music-making more inclusive.

scholarly journals Performance Enhancement of Consumer-Grade MEMS Sensors through Geometrical Redundancy

Sensors ◽  
2021 ◽  
Vol 21 (14) ◽  
pp. 4851
Author(s):  
Giorgio de Alteriis ◽  
Domenico Accardo ◽  
Claudia Conte ◽  
Rosario Schiano Lo Moriello
Keyword(s):  
Random Walk ◽  
Performance Enhancement ◽  
Inertial Sensors ◽  
Low Cost ◽  
Cost Effective ◽  
Measurement Procedure ◽  
Measurement Unit ◽  
Mems Sensors ◽  
Mems Technology ◽  
Bias Instability

The paper deals with performance enhancement of low-cost, consumer-grade inertial sensors realized by means of Micro Electro-Mechanical Systems (MEMS) technology. Focusing their attention on the reduction of bias instability and random walk-driven drift of cost-effective MEMS accelerometers and gyroscopes, the authors hereinafter propose a suitable method, based on a redundant configuration and complemented with a proper measurement procedure, to improve the performance of low-cost, consumer-grade MEMS sensors. The performance of the method is assessed by means of an adequate prototype and compared with that assured by a commercial, expensive, tactical-grade MEMS inertial measurement unit, taken as reference. Obtained results highlight the promising reliability and efficacy of the method in estimating position, velocity, and attitude of vehicles; in particular, bias instability and random walk reduction greater than 25% is, in fact, experienced. Moreover, differences as low as 0.025 rad and 0.89 m are obtained when comparing position and attitude estimates provided by the prototype and those granted by the tactical-grade MEMS IMU.

scholarly journals Experimental Evaluation of Miniature Impedance Board for Loosening Monitoring of the Threaded Pipe Connection

2021 ◽  
Vol 9 ◽  
Author(s):  
Yabin Liang ◽  
Yixuan Chen ◽  
Zuocai Zhang ◽  
Qian Feng
Keyword(s):  
Structural Health Monitoring ◽  
Health Monitoring ◽  
Structural Damage ◽  
Damage Identification ◽  
Low Cost ◽  
Impedance Measurement ◽  
Measurement Procedure ◽  
Practical Applications ◽  
Electromechanical Impedance ◽  
Structural Health

Electromechanical impedance (Electromechanical impedance)-based methods as potential nondestructive evaluation (NDT) techniques have been widely used in the field of structural health monitoring (SHM), especially for the civil, mechanical, and aerospace engineering fields. However, it is still difficult to apply in practical applications due to the limitations of the impedance measurement hardware, which is usually expensive, bulky, and heavy. In this paper, a small, lightweight, and low power consumption EMI-based structural health monitoring system combined with the low-cost miniature impedance board AD5933 was studied experimentally to investigate its quantifiable performance in impedance measurement and structural damage identification. At first, a simple impedance test with a free PZT patch was introduced to present the impedance calibration and measurement procedure of AD5933, and then its calibration performance was validated by comparing the signature with the one measured by a professional impedance analyzer (WK6500B). In order to further validate the feasibility and effectiveness of the AD5933 board in practical applications, a threaded pipe connection specimen was assembled in the laboratory and then connected with the AD5933 to acquire its impedance signatures under different loosening severities. The final results demonstrated that the impedance measured by the AD5933 show a good consistency with the measurements by the WK6500B, and the evaluation board could be successfully utilized for the loosening severities identification and quantitatively evaluation.

Virtual Reality Musical Instruments: State of the Art, Design Principles, and Future Directions

2016 ◽  
Vol 40 (3) ◽  
pp. 22-40 ◽  
Author(s):  
Stefania Serafin ◽  
Cumhur Erkut ◽  
Juraj Kojs ◽  
Niels C. Nilsson ◽  
Rolf Nordahl
Keyword(s):  
Virtual Reality ◽  
Low Cost ◽  
Rapid Development ◽  
Design Guidelines ◽  
Musical Instruments ◽  
Visual Component ◽  
Head Mounted Display ◽  
Future Challenges ◽  
Long Time ◽  
Immersive Visualization

The rapid development and availability of low-cost technologies have created a wide interest in virtual reality. In the field of computer music, the term “virtual musical instruments” has been used for a long time to describe software simulations, extensions of existing musical instruments, and ways to control them with new interfaces for musical expression. Virtual reality musical instruments (VRMIs) that include a simulated visual component delivered via a head-mounted display or other forms of immersive visualization have not yet received much attention. In this article, we present a field overview of VRMIs from the viewpoint of the performer. We propose nine design guidelines, describe evaluation methods, analyze case studies, and consider future challenges.

The Game Boy

2018 ◽  
Author(s):  
Kenneth B. McAlpine
Keyword(s):  
Popular Music ◽  
Video Game ◽  
Low Cost ◽  
Musical Instruments ◽  
New Wave ◽  
Cultural Phenomenon ◽  
Video Game Music

This chapter examines the cultural phenomenon that was Nintendo’s Game Boy and suggests that its portability and low cost was pivotal in taking chiptune from primarily a desktop activity to something that could be taken onstage and gigged. Crucial to the Game Boy’s success was Tetris, the machine’s ‘killer app’. It was such a hit that its music made the transition from silicon to vinyl, demonstrating that video game music could be popular music in its own right. After the release of Nanoloop and Little Sound DJ in the late 1990s, musicians realized that the Game Boy was more than just a handheld gaming device; it was a cheap and very portable music workstation. The chapter concludes by looking at how this idea has driven a new wave of equipment hacking, as users have rediscovered and reinvented vintage consoles as musical instruments.

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