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Automized Optimization of Stage Monitor Hearing – Moving the monitor hearing sweet spot in real time – a solution for the moving musicians on stage?
KTH, School of Computer Science and Communication (CSC).
KTH, School of Computer Science and Communication (CSC).
2012 (English)Independent thesis Advanced level (professional degree), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

A novel stage monitor hearing model has been developed to evaluate the idea of a system that moves the stage monitor hearing according to the positions of the live performing musician. The aim of the study was to answer to what extent is such a system useful during live music performances. The system model is programmed using Pure Data and adjusts the different sound mixes for each monitor on the stage so that the location of the spot of the ideal stage sound corresponds to the positions of the musicians. The positions of the musicians are obtained by using a Motion Capture camera system together with software to communicate with Pure Data. During the study interviews and user tests were performed with performing musicians and sound engineers. The results indicate that the musician’s performance is improved and previous limitations caused by a restricted monitor hearing sweet spot are reduced. The extent of the usability of such a system within the rock and pop genres is believed to increase with the overall sound level and complexity of the genre performed, and it is also associated with the musician’s own musical preferences. A set of model simplifications was however made to the system that would need to be taken into consideration for implementation in an actual live concert performance.

Abstract [sv]

En ny modell för medhörning på scen vid musikaliska framträdanden har utvecklats för att utvärdera idén om ett system som flyttar det utgående ljudet för medhörning enligt musikernas positioner. Studiens mål var att besvara frågan om till vilken grad ett sådant system är användbart under liveframträdanden. Modellsystemet är programmerat i Pure Data och justerar de olika ljudmixerna för varje monitor på scenen så att den optimala lyssnarpositionen för medhörningen stämmer överrens med musikernas positioner. Musikernas positioner registreras och presenteras digitalt genom ett Motion Capture kamerasystem tillsammans med mjukvara som kommunicerar med Pure Data. Under studien genomfördes intervjuer och användartester med musiker och ljudtekniker. Resultaten indikerar att en musikers musikaliska prestation blir förbättrad och tidigare begränsningar minskar vid användande av systemet. Graden av användbarheten av systemet inom rock- och popgenrer tros öka med den totala ljudnivån och komplexiteten av musiken som framförs, musikerns egna musikaliska preferenser spelar också in. Under studien gjordes ett antal förenklingar av verkligheten som behöver tas med i utvecklingen av ett system som skulle kunna användas i en verklig konsertmiljö.

Place, publisher, year, edition, pages
2012.
Series
Kandidatexjobb CSC, K12095
National Category
Computer Science
Identifiers
URN: urn:nbn:se:kth:diva-131100OAI: oai:DiVA.org:kth-131100DiVA: diva2:654546
Educational program
Master of Science in Engineering - Media Technology
Uppsok
Technology
Supervisors
Examiners
Available from: 2013-10-07 Created: 2013-10-07

Open Access in DiVA

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Other links

http://www.csc.kth.se/utbildning/kandidatexjobb/medieteknik/2012/rapport/paloranta_jimmie_OCH_renstrom_ida_K12095.pdf
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Computer Science

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CiteExportLink to record
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Citation style
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