IoT Based Performance Measurement of Car Audio Systems in Korean Recreation VehiclesIoT 센서를 이용한 국산 RV차량 음향시스템의 음향특성에 관한 분석
- Other Titles
- IoT 센서를 이용한 국산 RV차량 음향시스템의 음향특성에 관한 분석
- Authors
- 박형우; 이상민
- Issue Date
- Feb-2017
- Publisher
- 한국인터넷정보학회
- Keywords
- Characteristics of hearing; Sound field; Vehicle Audio; Hearing loss; IoT sensor; 청각특성; 음장; 차량 오디오; 청력손실; IoT센서
- Citation
- 인터넷정보학회논문지, v.18, no.1, pp.57 - 64
- Journal Title
- 인터넷정보학회논문지
- Volume
- 18
- Number
- 1
- Start Page
- 57
- End Page
- 64
- URI
- http://scholarworks.bwise.kr/ssu/handle/2018.sw.ssu/6590
- DOI
- 10.7472/jksii.2017.18.1.57
- ISSN
- 1598-0170
- Abstract
- Recent automobile manufacturing technology has improved not only the function and performance of cars, but also the audio systems in cars so as to increase their marketability. Automobile manufacturers always have the option of simply installing an expensive acoustic system to help customers enjoy a high-level sound quality car audio system. However, this also tends to increase the MSRP (Manufacturer's Suggested Retail Price) of the car. Therefore, it is desirable, where possible, to enhance the sound quality of plainer, less expensive audio devices to help customers feel as if they have a high-quality and expensive audio device in their car. In order to make this happen, the manufacturer must develop an optimal interior environment and audio system at a relatively lower cost. To this end, features of the car audio system can be enhanced by analyzing audio frequency response and using performance metrics to figure out the characteristics of the human auditory system. This study analyzed the sound field of Korean Recreation Vehicles (RVs) using the Internet of Things (IoT) sensor for the measurement of car audio system. As a result, high energy of sensitive bandwidth, one of the human auditory characteristics often makes annoying sound. This study also found that increasing the frequency response flatness is required by taking human auditory field into account when designing the car audio system for the future.
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