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Development of the Mobile Application for Equalization of Digital Audio System
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- 발행기관
- 보안공학연구지원센터(IJCA) 바로가기
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- 간행물
- International Journal of Control and Automation SCOPUS 바로가기
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- 통권
- Vol.8 No.9 (2015.09)바로가기
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- 페이지
- pp.161-172
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- 저자
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- 언어
- 영어(ENG)
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- URL
- https://www.earticle.net/Article/A254616
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원문정보
초록
- 영어
- Digital audio is technology that can be used to record, store, generate, manipulate, and reproduce sound using audio signals encoded in digital form. A band-pass filter is a device that passes frequencies within a certain range and rejects (attenuates) frequencies outside that range. Graphic equalizers are often included in consumer audio equipment and software which plays music on home computers. In the graphic equalizer, the input signal is sent to a bank of filters. The digital audio system for concert in opera theater or concert hall must be installed a lot of speaker units. Also, the speaker units are installed at intervals in a theater. And the audio systems must be controlled by the kinds of concert for the best sound quality. As that result, the user needs the remote control in order to play the audio system according to the kinds of concert in opera theater or concert hall efficiently in real-time. In this paper, we implement the mobile application for the remote control using wireless communications to control the digital audio system. Also, we implement the crossover and equalizer of the digital audio system. Each GEQ (Graphic EQualizer) Vertical Seek Bar is used. It has the frequency range value from -15.0 to 15.0 and the frequency range value is divided in units of 0.5 such as -15.0, -14.5, -14.0 …. 14.0, 14.5, and 15. And the 31Vertical Seek Bars are used for controlling each frequency range of volume. Also they are represented by graphic user interface for easy operation of user.
목차
Abstract
1. Introduction
2. Related Works
2.1. Audio Crossover
2.2. Equalizer
3. System Structure
4. Development of Mobile Application for Remote Control
4.1. Design of the Packet and Commands
4.2. Band Pass Filter
4.3. Graphic Equalizer
5. Conclusions and Future Work
Acknowledgements
References
키워드
Band Pass Filter Equalization Digital Audio System Mobile Application Remote Control Graphic Equalizer저자
간행물 정보
발행기관
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- 발행기관명
- 보안공학연구지원센터(IJCA) [Science & Engineering Research Support Center, Republic of Korea(IJCA)]
- 설립연도
- 2006
- 분야
- 공학>컴퓨터학
- 소개
- 1. 보안공학에 대한 각종 조사 및 연구 2. 보안공학에 대한 응용기술 연구 및 발표 3. 보안공학에 관한 각종 학술 발표회 및 전시회 개최 4. 보안공학 기술의 상호 협조 및 정보교환 5. 보안공학에 관한 표준화 사업 및 규격의 제정 6. 보안공학에 관한 산학연 협동의 증진 7. 국제적 학술 교류 및 기술 협력 8. 보안공학에 관한 논문지 발간 9. 기타 본 회 목적 달성에 필요한 사업
간행물
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- 간행물명
- International Journal of Control and Automation
- 간기
- 월간
- pISSN
- 2005-4297
- 수록기간
- 2008~2016
- 십진분류
- KDC 505 DDC 605
이 권호 내 다른 논문 / International Journal of Control and Automation Vol.8 No.9
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