The Subjective Evaluation of Bells and Ringtone on Campus

Rong Gen Deng; Wei Ming Liao

doi:10.4028/www.scientific.net/AMR.461.775

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 461The Subjective Evaluation of Bells and Ringtone on...

The Subjective Evaluation of Bells and Ringtone on Campus

Abstract:

Bell comes from the Bell of Jiangxi Normal University 70 Anniversary celebration. Ring is the class ring on the campus of Jiangxi Normal University. Soundscape is used to describe the acoustic environment to the listener as the center of, referring to the sound in a certain area of the overall situation. The present study subjectively evaluated the two elements of voice on the campus. We could acquire acoustic waveform and frequency by the physical analysis of both two elements. Bell acoustic showed weakened by the strong cycle, frequency 249.79Hz (B3 +19); ring acoustic frequency was 500.08Hz (B4 +21). Therefore, Bell structured but ring was on the contrary, bell frequency was lower than ring, and bell pitch was slightly lower than ring pitch. Synthesizing physical analysis, subjective evaluation of sound quality, subjective feelings of the two elements (bell and ring), the subjective evaluation of bell was better.

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Periodical:

Advanced Materials Research (Volume 461)

Pages:

775-778

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.461.775

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Online since:

February 2012

Authors:

Rong Gen Deng, Wei Ming Liao

Keywords:

Bell, Ring, Soundscape, Subjective Evaluation

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