基于單片機的數碼錄音與播放系統

電子機電論文編號:JD108   字數:17591,頁數:51

 目 錄

摘要 ............................................................. 3
目錄.............................................................  4
第1章   緒論 ......................................................7
第2章 摘要.......................................................  9
KEYWORDS  SPCE061A ,W29C040,flash memory,voice record ..............9
第3章硬件系統的設計與實現 ........................................10
3.1方案的選擇..................................................... 10
3.2凌陽單片機的簡介 .............................................. 11
3.2.1 綜述 ....................................................... 11
3.2.2 結構概覽 ................................................... 14
3.2.3 芯片的引腳排列和說明........................................ 15
3.2.4 SPCE061A最小系統 ............................................19
3.2.5 SPCE061A開發方法............................................ 19
3.3 SPCE061A 的外部存儲器（Memory）的擴展........................  21
3.3.1  綜述........................................................21
3.3.2  W29C040 的介紹 .............................................21
3.3.3 W29C040寫、擦除流程圖 ...................................... 23
3.3.4 系統結構圖 ..................................................24
3.3.5 SPCE061A與W29C040的硬件連接圖..............................  25
第4章軟件系統的設計與實現.......................................  27
4.1  凌陽音頻介紹 ................................................ 27
4.1.1音頻概述 .................................................... 27
4.1.2 數字音頻的采樣和量化.......................................  27
4.1.3 音頻格式的介紹.............................................. 27
4.1.4 語音壓縮編碼基礎 ........................................... 27
4.2 凌陽音頻編碼算法 ............................................. 28
4．2.1 壓縮分類 .................................................. 29
4．2．2 凌陽常用的音頻形式和壓縮算法 ............................. 29
4．2．3凌陽語音的播放、錄制、合成和辨識 .......................... 29
4.2.4 語音錄入使用介紹 ........................................... 30
4.3  W29C040與SPCE061A的系統軟件設計 ............................. 33
4.3.1本系統軟件實際流程圖 ........................................ 33
4.3.2 程序源代碼.................................................  36
第 5章 拓 展 設計 ............................................... 42
5.1 數碼錄音和播放系統的增強設計.................................  42
5.2溫度測量顯示存儲系統..........................................  43
5.2.1系統總體方案介紹............................................. 43
5.2.2系統的硬件設計 .............................................. 43
5.3 SPCE061A的周邊模塊...........................................  43
5.3.1 電源模塊...................................................  44
5.4 系統的軟件設計 ............................................... 44
5.4.1 主流程 ..................................................... 44
5.5 凌陽的其他應用 ............................................... 45
第6章 結 束語 ................................................... 46
參考文獻.........................................................  47
附錄中英文翻譯 .................................................. 48
附錄1 英文原稿 ................................................... 48
附錄2 中文譯稿...................................................  49
致謝............................................................. 50

摘要

本次畢業設計的主要目的是制作一個基于單片機的數碼錄音和播放系統。選用凌陽16位單片機SPCE061A和外部擴展存儲器W29C040來實現。其具有體積小、集成度高、易擴展、可靠性高、功耗低、結構簡單、中斷處理能力強等特點，特別適應于數字語音錄放和語音識別等數字應用領域。 SPCE061A是臺灣凌陽公司生產的十六位單片機，該單片機內置有2路DA轉換，8路AD轉換及在線仿真等豐富的功能， W29C040是臺灣華邦公司生產的4M位的FLASH存儲芯片，利用它存儲凌陽格式的語音資源，可以長達4分鐘語音錄放。該系統可以廣泛應用于需求的錄音較長的場合。如檢測溫度的存儲播放系統，自錄語音提示等應用方案。本系統提供W29C040相關的讀寫模塊，此模塊也可應用于W29C040同系列的相關FLASH芯片中。如果是簡單的控制對象，只需要利用單片機作為控制核心，不需要另加外部設備就能實現。對于較復雜的系統，只需對單片機進行適當的擴展即可，十分方便。對一個復雜或功能強大的語音，圖象處理系統需要很大的,不同的存儲器（ROM,FLASH,SRAM）的存儲空間，為了解決I/O不夠的問題，我們使用W29C040芯片來擴展SPCE061A的存儲器來實現更大空間的存儲。
關鍵詞 SPCE061A，閃存，W29C040，語音輸入/錄放

Abstract
This graduation project's main purpose is manufactures one based on monolithic integrated circuit's digital sound recording and the broadcast system. Selects Ling Yang 16 monolithic integrated circuit SPCE061A and exterior expanded memory unit W29C040 realizes. It has the volume to be small, the integration rate high, easy to expand, the reliability to be high, the power loss is low, the structure is simple, interrupt processing ability strong and so on characteristics, adapts specially in digital digital application domains and so on pronunciation recording and sending out and speech recognition. SPCE061A is 16 monolithic integrated circuits which Taiwan Ling Yang company produces, this monolithic integrated circuit built-in has 2 group DA to transform, 8 group AD transformations and the online simulation and so on rich function, W29C040 is 4M which Taiwan China Nation Company produces the position FLASH memory chip, uses it to save the Ling Yang form the pronunciation resources, may be 4 minute pronunciation recording and sending out. This system may widely apply in the demand recording long situation. If examination temperature memory broadcast system, from records application plans and so on voice prompt. This system provides the W29C040 related read-write module, this module may also apply in W29C040 in the homologous series related FLASH chip. If is the simple controlled member, only needs using the monolithic integrated circuit to take the control core, does not need to add separately the external instrumentation to be able to realize. Regarding the complex system, only need carry on the suitable expansion to the monolithic integrated circuit, is very then convenient. To one complex or the function formidable pronunciation, the imagery processing system needs to be very big, different memory (ROM, FLASH, SRAM) storage space, to solve the I/O insufficient problem, we use the W29C040 chip to expand SPCE061The memory to realize the bigger spatial memory.
key word SPCE061A, dodges saves, W29C040, speech input/recording and sending out