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• W2296949306 abstract "The sound radiated during a tennis impact has been shown to greatly influence the perception of‘feel’ but has also been suggested to contribute to the perception of equipment quality, as is thecase with many other consumer products. In an industry that is governed by design limitations,tennis racket manufactures are continually aiming to differentiate their products from theircompetitors’ and the sound character of a racket is seen as one such method to do so.In order to control the sound radiated from a tennis racket it was first necessary to identify howa tennis racket radiates sound. Through a number of controlled player tests, involvinggroundstrokes and serves, the sound was recorded along with measurements of the physicalvibrations excited in the frame. Analysis of the data revealed typical characteristics of the soundin the time and frequency domain. The sound was split into two sections to aid the analysis; aninitial impulsive component that decayed very quickly and a ringing component that was of muchlower amplitude but decayed at a much slower rate. The evolution of the frequency contentover time was also investigated, however, the data provided much more information as to whereeach frequency component originated by analysing the data together with the experimentalmodal analysis data.The experimental modal analysis of a tennis racket was a vital stage in understanding whichcomponents of the racket were responsible for radiating the identified frequency component inthe sound spectrum. The investigations identified frame bending modes, out-of-plane and inplane,as well as torsional modes, hoop modes and stringbed modes. To enable directcomparison between the natural frequencies excited during a tennis shot and the frequenciesrecorded from a freely suspended racket, the effect of the hand on the modal behaviour of theracket was analysed; experimental modal analysis data from a hand-gripped racket was comparedwith data generated by adding simulated mass to the modal model of the freely suspended racket.The first stringbed mode was identified as a key contributor to the sound of the racket, especiallyin the ringing component of the sound. Analysis of the physical vibrations in the frame followinga tennis shot revealed that the first stringbed mode excited the frame of the racket, which is ivthought to be the reason why stringbed modes contribute to the sound more so than theirsurface area would suggest that they are capable of.Analysis of the relationship between subjective perceptions of players and calculated soundmetrics suggest a negative correlation exists between the duration and loudness of a tennis shotand the appeal of the sound. Further investigations involving a jury to evaluate the appeal of atennis impact sound, modified in terms of duration, revealed further evidence to support thetheory that tennis impact sounds of greater duration are less appealing than those that decayquickly.This is the first study to investigate the sound radiated from a tennis racket and has identifiedhow the sound is radiated from the racket and also suggests which parameters of the sound areconsidered appealing to tennis players. With this information it is possible to suggest designmodifications that would influence the sound of a tennis racket in a predictable manner." @default.
• W2296949306 created "2016-06-24" @default.
• W2296949306 creator A5080637541 @default.
• W2296949306 date "2013-01-01" @default.
• W2296949306 modified "2023-09-28" @default.
• W2296949306 title "Impulsive sound quality of tennis rackets" @default.
• W2296949306 hasPublicationYear "2013" @default.
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