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研究生： 黃國庭
Huang, Kuo-Ting
論文名稱： 利用MP3音訊裝置所建置之電子導覽系統
An MP3 E-Narrator System Design and Implementation
指導教授： 林清一
Lin, Chin E.
學位類別： 碩士
Master
系所名稱： 工學院 - 航空太空工程學系
Department of Aeronautics & Astronautics
論文出版年： 2007
畢業學年度： 95
語文別： 英文
論文頁數： 56
中文關鍵詞： 導覽 、射頻
外文關鍵詞： narrator, radio frequency
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    • 本研究規劃設計一套MP3音訊播音控制裝置，利用射頻(Radio Frequency)訊號自動啟動，適用於展場導覽場之導遊解說系統。本文所提出的系統包括兩個子系統，一個是藉由射頻發送器定時發出對應於展物內容的記憶位置碼(address code)的固定裝置(wall-set)，另一個是結合MP3播放器與射頻接收器的手持裝置(user-set)，手持裝置(user-set)透過接收固定裝置(wall-set)所發送的記憶位置碼(address code)來進行選取對應之展物內容的動作，都透過微處理器(microcontroller)來達成各模組的結合與控制。本文所提出的系統被稱為電子導覽系統，能使用於不同展覽環境中。MP3的控制程式設計，將記憶空間分割為固定大小的單元，除了開機初使化外，藉由從初始位置之單元位移控制(block shift control)來達成展覽內容的搜尋。本文所提的電子導覽系統包含各種人性化功能，以適用不同的情境需求。

    An MP3 audio player system is designed and created under a radio frequency (RF) signal coverage environment for exhibition narration. The proposed system contains wall sets to be installed to pronounce address code by RF interrogation, and user sets to be hand-carried to activate the audio contents on MP3 by RF receiver. Both wall set and user set are controlled using microprocessors. The proposed system is termed as e-Narrator System for application in different exhibition environments. Based on the proposed system configuration, program content can easily be edited, selected and download to MP3. The wall set pronounces each exhibition works on sequential number as address code; while the user set receives this address code and can correctly search for audio narration record on MP3 memory very quickly. Control program is designed to play MP3 from any previous location, instead of the beginning, by a block shift control. The e-Narrator System is a very simple organization system with easy installation for implementations. Many humanization functions can also be built into the proposed system and tested with different scenarios.

    CHAPTER I INTRODUCTION.............................1 1.1Motivation......................................1 1.2Objective.......................................3 1.3Method..........................................3 1.4 Thesis Organization............................4 CHAPTER II RELATED TECHNOLOGIES....................5 2.1 WirelessCommunication..........................5 2.1.1 Wireless communication range consideration...5 2.1.2 Digital modulation...........................13 2.1.3 Antenna......................................16 2.2 MP3 compression technology.....................19 2.2.1 Encoding audio...............................19 2.2.2 Decoding audio............................20 2.2.3 Bit rate..................................20 2.2.4 File structure............................21 CHAPTER III MP3 PLAYER CONTROL..................23 3.1 MP3 player characteristic............................23 3.2 Memory arrangement according to system requirement...24 3.3 MP3 player control method...................27 3.4 Software programming development............30 CHAPTER IV System Implementation..................................33 4.1 Hardware Configuration......................33 4.1.1 Wall-set - RF Interrogator................34 4.1.2 User-set..................................35 4.2 System Planning........................................36 4.2.1 Narration Contents planning...............37 4.2.2 Wall-set planning.........................39 4.2.3 Address code frame........................41 4.2.4 User-set planning.........................42 CHAPTER V SYSTEM REALIZATION AND EXPERIMENTAL RESULTS.........................................43 5.1. System realization.........................43 5.2 Experiment design and results...............46 5.3 Market survey and bill of materials.......................................49 CHAPTER VI CONCLUSION...........................53 IV References......................................55

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