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Open AccessArticle

Microphone and Loudspeaker Array Signal Processing Steps towards a “Radiation Keyboard” for Authentic Samplers

by 1,*,† and 2,†
1
Bremen Spatial Cognition Center, University of Bremen, 28359 Bremen, Germany
2
Department of Media Technology, Hamburg University of Applied Sciences, 22081 Hamburg, Germany
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Appl. Sci. 2020, 10(7), 2333; https://doi.org/10.3390/app10072333
Received: 30 December 2019 / Revised: 21 March 2020 / Accepted: 23 March 2020 / Published: 29 March 2020
(This article belongs to the Special Issue Musical Instruments: Acoustics and Vibration)
To date electric pianos and samplers tend to concentrate on authenticity in terms of temporal and spectral aspects of sound. However, they barely recreate the original sound radiation characteristics, which contribute to the perception of width and depth, vividness and voice separation, especially for instrumentalists, who are located near the instrument. To achieve this, a number of sound field measurement and synthesis techniques need to be applied and adequately combined. In this paper we present the theoretic foundation to combine so far isolated and fragmented sound field analysis and synthesis methods to realize a radiation keyboard, an electric harpsichord that approximates the sound of a real harpsichord precisely in time, frequency, and space domain. Potential applications for such a radiation keyboard are conservation of historic musical instruments, music performance, and psychoacoustic measurements for instrument and synthesizer building and for studies of music perception, cognition, and embodiment. View Full-Text
Keywords: microphone array; wave field synthesis; acoustic holography; sampler; synthesizer microphone array; wave field synthesis; acoustic holography; sampler; synthesizer
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MDPI and ACS Style

Ziemer, T.; Plath, N. Microphone and Loudspeaker Array Signal Processing Steps towards a “Radiation Keyboard” for Authentic Samplers. Appl. Sci. 2020, 10, 2333. https://doi.org/10.3390/app10072333

AMA Style

Ziemer T, Plath N. Microphone and Loudspeaker Array Signal Processing Steps towards a “Radiation Keyboard” for Authentic Samplers. Applied Sciences. 2020; 10(7):2333. https://doi.org/10.3390/app10072333

Chicago/Turabian Style

Ziemer, Tim; Plath, Niko. 2020. "Microphone and Loudspeaker Array Signal Processing Steps towards a “Radiation Keyboard” for Authentic Samplers" Appl. Sci. 10, no. 7: 2333. https://doi.org/10.3390/app10072333

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