基于USB接口的嵌入式音频系统的设计-计算机应用专业论文.docx
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soft ware p ro grammi n g to ach ieve t he au dio pl a yb ack s ys t em fun cti ons and b y mo dif yi n g th e o ptimiz atio n, get a goo d M ID I fil e pl a yback.
3. Th e combi n atio n of US B t e chno lo g y and M ID I, a p erso n can achi ev e th e effect o f simult an eo us o perati on o f mul tipl e in stru ment s b y M ID I fil e proces sin g , th e op erati on i s sim ple and po rtabl e.
Key wor ds: MID I, S CM, USB co mmu nic atio ns, au dio
目 录
中 文 摘 要 ......................................................................................................................I
E n g l is h Ab s tr a c t ................................................................................................. II
第一章 绪 论........................................................................................................1
1.1 音频系统的发展现状 ....................................................................................1
HYPERLINK \l _TOC_250007 1.2 MIDI 文件介绍 1
1.3 论文选题的意义 .............................................................................................2
1.4 论文章节安排 ................................................................................................3
HYPERLINK \l _TOC_250006 第二章 MIDI 概述 4
HYPERLINK \l _TOC_250005 MIDI 简介 4
HYPERLINK \l _TOC_250004 MIDI 标准的发展 4
HYPERLINK \l _TOC_250003 MIDI 的优点 5
HYPERLINK \l _TOC_250002 2.2 MIDI 原理、规范和新发展 7
2.2.1 音乐合成 ..............................................................................................7
HYPERLINK \l _TOC_250001 2.2.2 MIDI 技术规范 10
HYPERLINK \l _TOC_250000 2.3 MIDI 文件 12
2.4 本章小结 ......................................................................................................13
第三章 音频系统的硬件设计..............................................................................14
3.1 音频系统硬件 ..............................................................................................14
3.1.1 主控芯片 ........................................................................................
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