Article How to Calibrate Microphones
The basic procedure of how to calibrate microphones is described in IEC 61094. This standard describes two methods of measurement: by sound pressure and by free field. Free field is the…
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2023
Workshop
Condition-based Predictive Maintenance
4 May 2023
In-Person Workshop
Surabaya, Indonesia
Event Details Date: 4 May 2023 Venue: Hotel Santika Premiere Gubeng, Surabaya, Indonesia Time: 9.30am – 4.30pm Main Speaker: Dr Suri Ganeriwala
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Workshop
Noise Immission Control
1 – 2 March 2023
In-Person Worshop
Kuala Lumpur, Malaysia
Event Details Date: 1 – 2 March 2023 Venue: Sky Garden Seminar Room Sunway Nexis Time: 9.00am – 5.00pm (MYT) Main Speaker: Dr Marthias Barthel
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Workshop
Vibration & Shock Test
27 – 28 February 2023
In-Person Workshop
Kuala Lumpur, Malaysia
Event Details Date: 27 – 28 February 2023 Venue: Sky Garden Seminar Room Sunway Nexis Time: 9.00am – 5.00pm (MYT) Main Speaker: Mr Dmitrii Kovalenko
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Article
Methods for Calculating Loudness
ISO 532-1:2017 – Acoustics – Methods for Calculating Loudness – Part 1: Zwicker Method ISO 532-1:2017 specifies two methods for estimating the loudness and loudness level of sounds as perceived…
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Article
Equal Loudness Contour
Data obtained at Bell Labs by Kingsbury (1927) was the earliest to be used to generate loudness contour. For many years, contours reported by Fletcher and Munson (1933) were…
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Article
What is psychoacoustics?
[caption id="attachment_11084" align="alignnone" width="937"] Gustav Fechner (1801-1887), “Father of Psychophysics.”[/caption] Psychoacoustics is the branch of psychophysics involving the scientific study of sound perception. It is the branch of science studying…
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Article
What is environmental sound?
How should environmental sound be characterised? An environmental sound is non-speech and is not a in the context of sine tone, pink noise, or white noise often used in…
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