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这是语音识别技术的第一个例子。 语音技术的概念实际包括两个技术：合成器和识别器（参见图 1）。语音合成器将文本作为输入，并产生 音频流作为输出。语音合成也称为“文本到语音”（text-to-speech，TTS）。另一方面，语音识别器的行 探究 Windows Vista 中新的语音识别与合成 API 为刚好相反。它将音频流作为输入，并将其转换为文本副本。 对于合成器而言，将一串字符转换为听起来符合规范的音频流需要做大量工作。想象其工作方式的最简单 的方法是分析一个两部分系统的前端和后端。

namespace CYBrowse { #region DateFileHeadStruct /// <summary> /// Defines head struct to read the date file. /// </summary> public struct TagIdiomLibraryHead { public string idiomFlag; //6 byte public int idiomLength; //4 byte public int idiomCount; //3 byte public int[] idiomPositon; //3 byte } #endregion DateFileHeadStruct #region ListViewColumnNameEnum enum ListViewColumnName { ColumnIdiom = 0,//成语 ColumnCode = 1,//拼音简码 ColumnRecordNumber = 2//编号 }; #endregion ListViewColumnNameEnum /// <summary> /// Defines the idiom dictionary main form. /// </summary> public partial class IdiomDictionary : Form { /// <summary> /// The max length of an idiom. /// </summary> const int idiomMaxLength = 36; public const string helpFileName = @"\ReadMe.txt"; /// <summary> /// Declares the idiom dictionary set. /// </summary> public IdiomDictionarySet idiomDictionarySet; /// <summary> /// The index table constructed by the first word in each idiom. /// </summary> public char[] firstWordConstructedIndexTable; /// <summary> /// Represents the index table's count. /// </summary> public int firstWordConstructedIndexTableCount; #region Constructor public IdiomDictionary() { idiomDictionarySet = new IdiomDictionarySet(); InitializeComponent(); } #endregion Constructor /// <summary> /// Invokes this method when IdiomDictionary Form loads. /// </summary> private void IdiomDictionaryLoad(object sender, EventArgs e) { idiomDictionarySet.SetIdiomLibraryBuffer(); firstWordConstructedIndexTable = new char[idiomDictionarySet.idiomLibraryHead.idiomCount]; firstWordConstructedIndexTableCount = 0; listView.Columns.Add("成语",180); listView.Columns.Add("拼音简码", 80); listView.Columns.Add("编号", 60); listView.Sorting = SortOrder.Ascending; listView.BeginUpdate(); for (int i = 0; i < idiomDictionarySet.idiomLibraryHead.idiomCount; i++) { ListViewItem listViewItem= new ListViewItem(); idiomDictionarySet.Move(i); listViewItem.SubItems.Clear(); listViewItem.SubItems[0].Text = (string)idiomDictionarySet.m_CM.Clone(); listViewItem.SubItems.Add(idiomDictionarySet.m_PYCODE); listViewItem.Tag = i; listView.Items.Add(listViewItem); } comboBoxFirst.BeginUpdate(); for (int i = 0; i < idiomDictionarySet.idiomLibraryHead.idiomCount; i++) { listView.Items[i].SubItems.Add((i + 1).ToString()); char ch = listView.Items[i].SubItems[0].Text[0]; if (firstWordConstructedIndexTableCount == 0 || firstWordConstructedIndexTable[firstWordConstructedIndexTableCount - 1] != ch) { firstWordConstructedIndexTable[firstWordConstructedIndexTableCount] = ch; comboBoxFirst.Items.Add(ch); firstWordConstructedIndexTableCount++; } }

CAN总线控制器实验装置说明书