Essay on Assessing Sound Quality: Prevent Hearing Loss & Enhance Customer Satisfaction

Introduction

Noise is any sound that is not necessary and in excess and can result in hearing loss or annoyance (Field & Long 2018). Concentrate is on forestalling hearing misfortune related with clamor presentation. Customer fulfillment with a specific product is to a great extent subject to the sound qualities of the product (Armstrong et.al 2017). Along these lines, during item improvement, sound quality is a significant structure thought. Assessing sound quality is an important but also a troublesome undertaking (Newell 2017). Sound can be described in an overall subjective manner; commonly pleasant, luxurious annoyance and spottiness.

Is your time best spent reading someone else’s essay? Get a 100% original essay FROM A CERTIFIED WRITER!

Save 25%

Impulsivity/Impulsiveness

Gottlieb, Vaisbuch and Puria (2018) define acoustic impulsivity as an increase in sound amplitude in small scales. In this manner, proportion of impulsive sounds must record for the standard psychoacoustic quantities, yet in addition some proportion of the level of impulsive in sound quality (Rhie, Kim & Yun, 2019). Impulsiveness can be measured with the following formulae; IN= 1M i-1MNi- Bb.iWhere Ni = Instantaneous loudness situated at a data sample

i = of the loudness versus time signal

Nb,i = Non-impulsive loudness component of sound at data sample i.

Calculation is done as 95% of loudness over a period of 1 second of time since it is assumed impulsive sound goes back to non-impulsive sound in less than 1 minute. A strategy for estimating impulsive nose produced by IT and media communications gear Used in the appraisal of vehicle inside noise (Agba et.al 2019). Schmidt (2019) reports that time-varying loudness represents peoples' perception of acoustic magnitude and duration of sound events.

Fluctuation Strength

Quantification of slower amplitude, usually of up to 20Hz , modulation of sound above the range of 20Hz it is can be described as the fluctuation strength. Above the stipulated maximum of 20Hz the effect changes and is described as roughness (Ross et al 2017). SI unit for fluctuation is vacil, described as 1000Hz tone of 60dB at 100% amplitude modulation of 4Hz. A formula to describe fluctuation strength (F) of modulation frequency (fmod) and with a masking depth (DL)

F=0.008.024 BarkL dzfmod4Hz+4Hzfmod

Harmonic Content

Harmonic frequency can be described as lowest frequency of any object vibration this factor gives sounds the strongest audible subject to frequency, which is an outcome of complex waveform (Raghu, 2018). This is also an increasing continuous form of sonic components of sound over the audible harmonic frequency.

Total harmonic distortion is measured by: THD= n=2Vn_rms2Vfund_rmsVn rms is RMS voltage of the nth harmonic.

Vfund_rms is RMS of the fundamental frequency

Harmonic spectrum of sound is made up of positive integers of higher frequency harmonics, which are hard to define in singular components whereas they are. Used to evaluate vehicle inside commotion, and vehicle outside noise.

Conclusion

Different sound waves and harmonic distortion have an impact to the human in different degree levels of intensity. Assessing and measuring sound can be quite expensive and tiresome, yet the practice to fuse moderators acoustic designs in building activities. The effect of sound is also important as it determines clients' satisfaction level with certain products and services in the building industry, and concern for effective and desirable sound emanates from various acoustic option as discussed herein.

Bibliography

Agba, B.L., Sacuto, F., Au, M., Labeau, F. and Gagnon, F. 2019. Impulsive noise measurements. In wireless communications for power substations: RF characterization and modeling (pp. 35-68). Springer, Cham.

Armstrong, T., Rockloff, M., Greer, N. and Donaldson, P., 2017. Rise of the machines: A critical review on the behavioural effects of automating traditional gambling games. Journal of gambling studies, 33(3), pp.735-767. doi: 10.1007/s10899-016-9644-4

Field, H.L. and Long, J.M., 2018. Sound and noise. In Introduction to Agricultural Engineering Technology (pp. 181-187). Springer, Cham.

Gottlieb, P.K., Vaisbuch, Y. and Puria, S., 2018. Human ossicular-joint flexibility transforms the peak amplitude and width of impulsive acoustic stimuli. The Journal of the Acoustical Society of America, 143(6), pp.3418-3433. doi: 10.1121/1.5039845

Newell, P., 2017. Recording studio design. Taylor & Francis.

Raghu, M., 2018. A Study to Explore the Effects of Sound Vibrations on Consciousness. International Journal of Social Work and Human Services Practice, p.75.

Rhie, Y.L., Kim, G.W. and Yun, M.H., 2019. Exploring the relationship between psychoacoustic and affective variables in a shutterpress sound. Human Factors and Ergonomics in Manufacturing & Service Industries, 29(4), pp.372-386. https://doi.org/10.1002/hfm.20794

Ross, J., Campbell, T., Parida, B., Arnoldy, M. and Omar, T., 2017, April. Development of Candidate New Emergency Warning Signals (EWS) to Improve Railroad Safety. In 2017 Joint Rail Conference. American Society of Mechanical Engineers Digital Collection.

Schmidt, F., 2019. Loudness models examined in the light of findings from loudness judgments and neural loudness correlates (Doctoral dissertation, Universitat Oldenburg).

Cook, R.G., Qadri, M.A. and Oliveira, R., 2016. Detection and discrimination of complex sounds by pigeons (Columba Livia). Behavioural processes, 123, pp.114-124.