龍魂 · 鸿蒙端侧语音识别与合成实战：从实时字幕到语音助手
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龍魂 · 鸿蒙端侧语音识别与合成实战：从实时字幕到语音助手
龍魂系统 · 鸿蒙原生适配层 · 端侧语音识别与合成深度集成
DNA: ZHUGEXIN⚡️2025-🇨🇳🐉⚖️♠️🧚🏼♀️❤️♾️ | UID: 9622 | CONFIRM: #CONFIRM🌌9622-ONLY-ONCE🧬LK9X-772Z
一、核心定位
| 维度 | 说明 |
|---|---|
| 平台 | 鸿蒙 HarmonyOS NEXT · 纯血鸿蒙 · 端侧AI |
| 语言 | ArkTS · 声明式UI · 端侧推理引擎 |
| 场景 | 实时字幕 · 语音助手 · 语音输入 · 语音播报 · 离线识别 |
| 架构 | 龍魂蚁群触角 → 鸿蒙端侧AI框架 → 语音引擎 |
| 主权 | 数据本地 · 端侧推理不上云 · 国密SM2/SM3签名 |
| 设计 | 离线优先 · 实时流式 · 低延迟 · 多语言 · 方言适配 |
二、系统架构
┌─────────────────────────────────────────┐
│ 龍魂系统 · 语音AI层 │
│ DNA: ZHUGEXIN⚡️2025-🇨🇳🐉⚖️♠️🧚🏼♀️❤️♾️ │
│ UID: 9622 │
├─────────────────────────────────────────┤
│ 鸿蒙端侧语音引擎层 │
│ │
│ VoiceAbility → VoiceAssistantPage │
│ ├── 语音识别引擎（ASR · 流式识别） │
│ ├── 语音合成引擎（TTS · 情感合成） │
│ ├── 实时字幕系统（LiveCaption） │
│ ├── 语音助手对话（VoiceDialog） │
│ ├── 唤醒词检测（WakeWord） │
│ ├── 声纹识别（VoicePrint） │
│ ├── 噪声抑制（NoiseSuppression） │
│ ├── 端侧模型管理（ModelManager） │
│ └── 国密签名验证（CryptoVerifier） │
├─────────────────────────────────────────┤
│ 鸿蒙系统能力层 │
│ │
│ 语音(Voice) · 音频(Audio) · 麦克风(Mic) │
│ 端侧AI(AIEngine) · 神经网络(NeuralNetwork) │
│ 扬声器(Speaker) · 媒体(Media) │
│ 后台任务(WorkScheduler) · 通知(Notification) │
│ 国密(CryptoFramework) · 文件(File) │
└─────────────────────────────────────────┘
三、语音模型建模
3.1 数据模型（entry/src/main/ets/models/VoiceModel.ets）
// entry/src/main/ets/models/VoiceModel.ets
// 龍魂 · 语音模型层 · ArkTS
// === DNA常量 ===
const MASTER_DNA = "ZHUGEXIN⚡️2025-🇨🇳🐉⚖️♠️🧚🏼♀️❤️♾️";
const MASTER_UID = "9622";
const CONFIRM_SEAL = "#CONFIRM🌌9622-ONLY-ONCE🧬LK9X-772Z";
// === 语音识别状态 ===
export enum ASRStatus {
IDLE = 'idle', // 空闲
LISTENING = 'listening', // 监听中
RECOGNIZING = 'recognizing', // 识别中
CONFIRMING = 'confirming', // 确认中
COMPLETED = 'completed', // 完成
ERROR = 'error' // 错误
}
// === 语音合成状态 ===
export enum TTSStatus {
IDLE = 'idle', // 空闲
SYNTHESIZING = 'synthesizing', // 合成中
PLAYING = 'playing', // 播放中
PAUSED = 'paused', // 暂停
COMPLETED = 'completed', // 完成
ERROR = 'error' // 错误
}
// === 语音引擎类型 ===
export enum VoiceEngineType {
ASR = 'asr', // 自动语音识别
TTS = 'tts', // 文本转语音
WAKE = 'wake', // 唤醒词
VPR = 'vpr', // 声纹识别
NSE = 'nse' // 噪声抑制
}
// === 语言类型 ===
export enum LanguageType {
ZH_CN = 'zh-CN', // 简体中文
ZH_TW = 'zh-TW', // 繁体中文
EN_US = 'en-US', // 美式英语
EN_GB = 'en-GB', // 英式英语
JA_JP = 'ja-JP', // 日语
KO_KR = 'ko-KR', // 韩语
FR_FR = 'fr-FR', // 法语
DE_DE = 'de-DE', // 德语
ES_ES = 'es-ES', // 西班牙语
RU_RU = 'ru-RU' // 俄语
}
// === 方言类型 ===
export enum DialectType {
MANDARIN = 'mandarin', // 普通话
CANTONESE = 'cantonese', // 粤语
SICHUAN = 'sichuan', // 四川话
HAKKA = 'hakka', // 客家话
WU = 'wu', // 吴语
MIN = 'min', // 闽语
XIANG = 'xiang', // 湘语
GAN = 'gan' // 赣语
}
// === 语音性别 ===
export enum VoiceGender {
MALE = 'male', // 男声
FEMALE = 'female', // 女声
NEUTRAL = 'neutral' // 中性
}
// === 情感类型 ===
export enum EmotionType {
NEUTRAL = 'neutral', // 中性
HAPPY = 'happy', // 开心
SAD = 'sad', // 悲伤
ANGRY = 'angry', // 愤怒
EXCITED = 'excited', // 兴奋
CALM = 'calm', // 平静
SERIOUS = 'serious' // 严肃
}
// === 端侧模型 ===
export class VoiceModel {
id: string; // 模型ID
name: string; // 模型名称
engineType: VoiceEngineType; // 引擎类型
language: LanguageType; // 语言
dialect?: DialectType; // 方言
// 模型信息
version: string; // 版本
size: number; // 大小MB
path: string; // 本地路径
// 性能
accuracy: number; // 准确率
latency: number; // 延迟ms
memoryUsage: number; // 内存占用MB
// 状态
isDownloaded: boolean; // 是否已下载
isLoaded: boolean; // 是否已加载
isEnabled: boolean; // 是否启用
// 审计
downloadedAt?: Date;
loadedAt?: Date;
dnaSignature: string;
constructor(data: Partial<VoiceModel> = {}) {
this.id = data.id || `MODEL-${Date.now()}`;
this.name = data.name || '未命名模型';
this.engineType = data.engineType || VoiceEngineType.ASR;
this.language = data.language || LanguageType.ZH_CN;
this.dialect = data.dialect;
this.version = data.version || '1.0.0';
this.size = data.size || 0;
this.path = data.path || '';
this.accuracy = data.accuracy || 0.95;
this.latency = data.latency || 200;
this.memoryUsage = data.memoryUsage || 100;
this.isDownloaded = data.isDownloaded || false;
this.isLoaded = data.isLoaded || false;
this.isEnabled = data.isEnabled || true;
this.downloadedAt = data.downloadedAt;
this.loadedAt = data.loadedAt;
this.dnaSignature = this.signData();
}
private signData(): string {
const payload = `${this.id}-${this.name}-${this.engineType}-${this.version}`;
return `SM3-${payload.split('').reduce((a,b)=>a+b.charCodeAt(0),0).toString(16).substring(0,16)}`;
}
getDisplayName(): string {
const langNames: Record<string, string> = {
'zh-CN': '中文', 'zh-TW': '繁体中文', 'en-US': '英语',
'en-GB': '英式英语', 'ja-JP': '日语', 'ko-KR': '韩语'
};
const engineNames: Record<string, string> = {
'asr': '识别', 'tts': '合成', 'wake': '唤醒', 'vpr': '声纹', 'nse': '降噪'
};
return `${langNames[this.language] || this.language} ${engineNames[this.engineType] || this.engineType} v${this.version}`;
}
load(): void {
if (!this.isDownloaded) { console.error(`[龍魂] 模型未下载: ${this.name}`); return; }
this.isLoaded = true; this.loadedAt = new Date();
console.info(`[龍魂] 模型加载: ${this.name}`);
}
unload(): void { this.isLoaded = false; console.info(`[龍魂] 模型卸载: ${this.name}`); }
}
// === 语音识别结果 ===
export class ASRResult {
id: string; text: string; confidence: number; isFinal: boolean;
startTime: number; endTime: number; words: WordInfo[];
detectedLanguage: LanguageType; detectedDialect?: DialectType;
constructor(data: Partial<ASRResult> = {}) {
this.id = data.id || `ASR-${Date.now()}`;
this.text = data.text || ''; this.confidence = data.confidence || 0; this.isFinal = data.isFinal || false;
this.startTime = data.startTime || 0; this.endTime = data.endTime || 0;
this.words = data.words || []; this.detectedLanguage = data.detectedLanguage || LanguageType.ZH_CN;
this.detectedDialect = data.detectedDialect;
}
getDuration(): number { return this.endTime - this.startTime; }
isHighConfidence(): boolean { return this.confidence >= 0.9; }
}
export interface WordInfo { word: string; startTime: number; endTime: number; confidence: number; }
// === 语音合成结果 ===
export class TTSResult {
id: string; text: string; audioData: ArrayBuffer; sampleRate: number; duration: number;
gender: VoiceGender; emotion: EmotionType; speed: number; pitch: number;
constructor(data: Partial<TTSResult> = {}) {
this.id = data.id || `TTS-${Date.now()}`; this.text = data.text || '';
this.audioData = data.audioData || new ArrayBuffer(0); this.sampleRate = data.sampleRate || 16000;
this.duration = data.duration || 0; this.gender = data.gender || VoiceGender.FEMALE;
this.emotion = data.emotion || EmotionType.NEUTRAL; this.speed = data.speed || 1.0; this.pitch = data.pitch || 1.0;
}
}
// === 实时字幕片段 ===
export class CaptionSegment {
id: string; text: string; speakerId?: string; startTime: number; endTime: number;
confidence: number; isFinal: boolean;
constructor(data: Partial<CaptionSegment> = {}) {
this.id = data.id || `CAP-${Date.now()}`; this.text = data.text || '';
this.speakerId = data.speakerId; this.startTime = data.startTime || 0;
this.endTime = data.endTime || 0; this.confidence = data.confidence || 0; this.isFinal = data.isFinal || false;
}
formatTime(ms: number): string {
const seconds = Math.floor(ms / 1000); const mins = Math.floor(seconds / 60); const secs = seconds % 60;
return `${mins.toString().padStart(2, '0')}:${secs.toString().padStart(2, '0')}`;
}
getTimeRange(): string { return `[${this.formatTime(this.startTime)} - ${this.formatTime(this.endTime)}]`; }
}
// === 语音助手对话 ===
export class VoiceDialog {
id: string; role: 'user' | 'assistant' | 'system'; text: string; audioUrl?: string;
timestamp: Date; intent?: string; slots?: Record<string, any>;
isPlaying: boolean; isError: boolean;
constructor(data: Partial<VoiceDialog> = {}) {
this.id = data.id || `DIALOG-${Date.now()}`; this.role = data.role || 'user';
this.text = data.text || ''; this.audioUrl = data.audioUrl;
this.timestamp = data.timestamp || new Date(); this.intent = data.intent; this.slots = data.slots;
this.isPlaying = data.isPlaying || false; this.isError = data.isError || false;
}
getRoleIcon(): string {
switch (this.role) { case 'user': return '👤'; case 'assistant': return '🤖'; case 'system': return '⚙️'; default: return '❓'; }
}
getRoleColor(): string {
switch (this.role) { case 'user': return '#c41e3a'; case 'assistant': return '#00ff00'; case 'system': return '#888'; default: return '#fff'; }
}
}
// === 声纹档案 ===
export class VoicePrint {
id: string; userId: string; name: string; features: number[];
sampleCount: number; samples: string[]; threshold: number;
createdAt: Date; updatedAt: Date; dnaSignature: string;
constructor(data: Partial<VoicePrint> = {}) {
this.id = data.id || `VPRINT-${Date.now()}`; this.userId = data.userId || '';
this.name = data.name || '未命名声纹'; this.features = data.features || [];
this.sampleCount = data.sampleCount || 0; this.samples = data.samples || [];
this.threshold = data.threshold || 0.85; this.createdAt = data.createdAt || new Date();
this.updatedAt = data.updatedAt || new Date(); this.dnaSignature = this.signData();
}
private signData(): string { return `SM3-${this.id}-${this.userId}-${Date.now()}`; }
match(features: number[]): number {
if (this.features.length === 0 || features.length === 0) return 0;
const dot = this.features.reduce((sum, f, i) => sum + f * (features[i] || 0), 0);
const mag1 = Math.sqrt(this.features.reduce((sum, f) => sum + f * f, 0));
const mag2 = Math.sqrt(features.reduce((sum, f) => sum + f * f, 0));
return dot / (mag1 * mag2);
}
verify(features: number[]): boolean { return this.match(features) >= this.threshold; }
}
// === 语音全局状态 ===
@Observed
export class VoiceState {
models: Map<string, VoiceModel> = new Map(); activeModelId: string = '';
asrStatus: ASRStatus = ASRStatus.IDLE; asrResults: ASRResult[] = []; currentASRResult: ASRResult | null = null;
ttsStatus: TTSStatus = TTSStatus.IDLE; ttsQueue: TTSResult[] = []; currentTTSResult: TTSResult | null = null;
captions: CaptionSegment[] = []; isCaptionEnabled: boolean = false;
captionSettings: CaptionSettings = {
fontSize: 16, fontColor: '#ffffff', bgColor: 'rgba(0,0,0,0.8)',
showSpeaker: true, showTimestamp: false, maxLines: 3, autoScroll: true
};
dialogs: VoiceDialog[] = []; isAssistantEnabled: boolean = false;
wakeWord: string = '龍魂龍魂'; isWakeWordEnabled: boolean = true;
voicePrints: Map<string, VoicePrint> = new Map(); isVoicePrintEnabled: boolean = false;
isRecording: boolean = false; isPlaying: boolean = false; volume: number = 0.8;
get statistics(): VoiceStats {
return {
totalModels: this.models.size, loadedModels: Array.from(this.models.values()).filter(m => m.isLoaded).length,
totalASRResults: this.asrResults.length, totalCaptions: this.captions.length,
totalDialogs: this.dialogs.length, totalVoicePrints: this.voicePrints.size,
avgConfidence: this.getAvgConfidence(), totalRecordingTime: this.getTotalRecordingTime()
};
}
private getAvgConfidence(): number {
if (this.asrResults.length === 0) return 0;
return Math.round(this.asrResults.reduce((sum, r) => sum + r.confidence, 0) / this.asrResults.length * 100) / 100;
}
private getTotalRecordingTime(): number { return this.asrResults.reduce((sum, r) => sum + r.getDuration(), 0); }
loadModel(id: string): void { const model = this.models.get(id); if (model) { model.load(); this.activeModelId = id; } }
startRecognition(): void { this.asrStatus = ASRStatus.LISTENING; this.isRecording = true; console.info('[龍魂] 开始语音识别'); }
stopRecognition(): void { this.asrStatus = ASRStatus.IDLE; this.isRecording = false; console.info('[龍魂] 停止语音识别'); }
addASRResult(result: ASRResult): void {
this.asrResults.push(result); this.currentASRResult = result;
if (this.isCaptionEnabled) this.addCaption(result);
if (this.isAssistantEnabled && result.isFinal) {
this.addDialog({ role: 'user', text: result.text, intent: result.text.includes('打开') ? 'open' : result.text.includes('关闭') ? 'close' : 'chat' });
}
}
addCaption(result: ASRResult): void {
const segment = new CaptionSegment({ text: result.text, startTime: result.startTime, endTime: result.endTime, confidence: result.confidence, isFinal: result.isFinal });
if (result.isFinal) { this.captions.push(segment); } else {
const last = this.captions[this.captions.length - 1];
if (last && !last.isFinal) last.text = result.text; else this.captions.push(segment);
}
if (this.captions.length > 100) this.captions = this.captions.slice(-50);
}
addDialog(data: Partial<VoiceDialog>): void {
this.dialogs.push(new VoiceDialog(data));
if (this.dialogs.length > 100) this.dialogs = this.dialogs.slice(-50);
}
synthesize(text: string, options?: Partial<TTSResult>): void {
this.ttsStatus = TTSStatus.SYNTHESIZING;
console.info(`[龍魂] 语音合成: ${text}`);
}
playAudio(result: TTSResult): void { this.currentTTSResult = result; this.isPlaying = true; }
registerVoicePrint(userId: string, name: string, features: number[]): void {
this.voicePrints.set(userId, new VoicePrint({ userId, name, features, sampleCount: 1 }));
}
verifyVoicePrint(userId: string, features: number[]): boolean {
const voicePrint = this.voicePrints.get(userId); return voicePrint ? voicePrint.verify(features) : false;
}
persist(): void {
AppStorage.setOrCreate('voice_models', JSON.stringify(Array.from(this.models.entries())));
AppStorage.setOrCreate('voice_captions', JSON.stringify(this.captions.slice(-50)));
AppStorage.setOrCreate('voice_dialogs', JSON.stringify(this.dialogs.slice(-50)));
AppStorage.setOrCreate('voice_prints', JSON.stringify(Array.from(this.voicePrints.entries())));
AppStorage.setOrCreate('voice_settings', JSON.stringify(this.captionSettings));
}
load(): void {}
}
export interface CaptionSettings { fontSize: number; fontColor: string; bgColor: string; showSpeaker: boolean; showTimestamp: boolean; maxLines: number; autoScroll: boolean; }
export interface VoiceStats { totalModels: number; loadedModels: number; totalASRResults: number; totalCaptions: number; totalDialogs: number; totalVoicePrints: number; avgConfidence: number; totalRecordingTime: number; }
export const voiceState = new VoiceState();
AppStorage.setOrCreate('voiceState', voiceState);
---
## 四、语音识别引擎
### 4.1 ASR引擎（`entry/src/main/ets/engine/ASREngine.ets`）
```typescript
// entry/src/main/ets/engine/ASREngine.ets
// 龍魂 · 语音识别引擎
import { voiceState, ASRStatus, ASRResult, LanguageType, DialectType } from '../models/VoiceModel';
export class ASREngine {
private static instance: ASREngine;
private isInitialized: boolean = false;
private audioRecorder: any;
static getInstance(): ASREngine {
if (!ASREngine.instance) ASREngine.instance = new ASREngine();
return ASREngine.instance;
}
async initialize(): Promise<void> {
if (this.isInitialized) return;
// this.audioRecorder = await audio.createAudioRecorder({ sampleRate: 16000, channelCount: 1 });
this.isInitialized = true;
console.info('[龍魂] ASR引擎已初始化');
}
async startRecognition(options?: { language?: LanguageType; dialect?: DialectType; continuous?: boolean; interimResults?: boolean }): Promise<void> {
await this.initialize();
voiceState.startRecognition();
const config = { language: options?.language || LanguageType.ZH_CN, dialect: options?.dialect, continuous: options?.continuous !== false, interimResults: options?.interimResults !== false };
this.startStreamingRecognition(config);
console.info(`[龍魂] 开始识别: ${config.language}`);
}
private startStreamingRecognition(config: any): void {
const simulateRecognition = () => {
if (voiceState.asrStatus !== ASRStatus.LISTENING && voiceState.asrStatus !== ASRStatus.RECOGNIZING) return;
voiceState.asrStatus = ASRStatus.RECOGNIZING;
setTimeout(simulateRecognition, 100);
};
simulateRecognition();
}
async stopRecognition(): Promise<ASRResult | null> {
voiceState.asrStatus = ASRStatus.CONFIRMING;
voiceState.asrStatus = ASRStatus.COMPLETED;
voiceState.stopRecognition();
console.info('[龍魂] 识别完成');
return voiceState.currentASRResult;
}
cancelRecognition(): void { voiceState.asrStatus = ASRStatus.IDLE; voiceState.stopRecognition(); console.info('[龍魂] 识别已取消'); }
private processAudioData(audioData: ArrayBuffer): void {}
private preprocess(audioData: ArrayBuffer): ArrayBuffer { return audioData; }
private extractFeatures(audioData: ArrayBuffer): Float32Array { return new Float32Array(); }
private modelInference(features: Float32Array): any { return null; }
private postprocess(result: any): string { return result?.text || ''; }
}
export const asrEngine = ASREngine.getInstance();
五、语音合成引擎
5.1 TTS引擎（entry/src/main/ets/engine/TTSEngine.ets）
// entry/src/main/ets/engine/TTSEngine.ets
// 龍魂 · 语音合成引擎
import { voiceState, TTSStatus, TTSResult, VoiceGender, EmotionType, LanguageType } from '../models/VoiceModel';
export class TTSEngine {
private static instance: TTSEngine;
private isInitialized: boolean = false;
private audioPlayer: any;
static getInstance(): TTSEngine {
if (!TTSEngine.instance) TTSEngine.instance = new TTSEngine();
return TTSEngine.instance;
}
async initialize(): Promise<void> {
if (this.isInitialized) return;
this.isInitialized = true;
console.info('[龍魂] TTS引擎已初始化');
}
async synthesize(text: string, options?: { gender?: VoiceGender; emotion?: EmotionType; speed?: number; pitch?: number; language?: LanguageType }): Promise<TTSResult> {
await this.initialize();
voiceState.ttsStatus = TTSStatus.SYNTHESIZING;
const config = { gender: options?.gender || VoiceGender.FEMALE, emotion: options?.emotion || EmotionType.NEUTRAL, speed: options?.speed || 1.0, pitch: options?.pitch || 1.0, language: options?.language || LanguageType.ZH_CN };
const processedText = this.preprocessText(text, config.language);
const result = new TTSResult({ text, audioData: new ArrayBuffer(0), sampleRate: 16000, duration: text.length * 200, ...config });
voiceState.ttsStatus = TTSStatus.COMPLETED;
voiceState.ttsQueue.push(result);
console.info(`[龍魂] 语音合成完成: ${text.substring(0, 20)}...`);
return result;
}
async play(result: TTSResult): Promise<void> { voiceState.ttsStatus = TTSStatus.PLAYING; voiceState.currentTTSResult = result; voiceState.isPlaying = true; console.info('[龍魂] 播放语音'); }
pause(): void { voiceState.ttsStatus = TTSStatus.PAUSED; voiceState.isPlaying = false; }
stop(): void { voiceState.ttsStatus = TTSStatus.IDLE; voiceState.isPlaying = false; }
private preprocessText(text: string, language: LanguageType): string { return text; }
private textToPhonemes(text: string, language: LanguageType): string[] { return []; }
private acousticModel(phonemes: string[], config: any): Float32Array { return new Float32Array(); }
private vocoder(features: Float32Array): ArrayBuffer { return new ArrayBuffer(0); }
}
export const ttsEngine = TTSEngine.getInstance();
六、实时字幕系统
6.1 字幕组件（entry/src/main/ets/components/LiveCaption.ets）
// entry/src/main/ets/components/LiveCaption.ets
// 龍魂 · 实时字幕组件
import { voiceState, CaptionSegment, ASRStatus } from '../models/VoiceModel';
import { asrEngine } from '../engine/ASREngine';
@Component
export struct LiveCaption {
@StorageLink('voiceState') voiceState: VoiceState = voiceState;
@State private isExpanded: boolean = true;
getVisibleCaptions(): CaptionSegment[] {
const maxLines = this.voiceState.captionSettings.maxLines;
const captions = this.voiceState.captions;
if (captions.length <= maxLines) return captions;
if (this.voiceState.captionSettings.autoScroll) return captions.slice(-maxLines);
return captions.slice(0, maxLines);
}
startCaption(): void { this.voiceState.isCaptionEnabled = true; asrEngine.startRecognition({ continuous: true, interimResults: true }); console.info('[龍魂] 实时字幕已启动'); }
stopCaption(): void { this.voiceState.isCaptionEnabled = false; asrEngine.stopRecognition(); console.info('[龍魂] 实时字幕已停止'); }
build() {
Column() {
this.HeaderBuilder()
if (this.isExpanded) { this.CaptionDisplayBuilder() }
this.ControlBuilder()
}
.width('100%').backgroundColor(this.voiceState.captionSettings.bgColor).borderRadius(8).padding(12)
}
@Builder
HeaderBuilder() {
Row() {
Text('📝').fontSize(20).margin({ right: 8 })
Text('实时字幕').fontSize(16).fontWeight(FontWeight.Bold).fontColor(this.voiceState.captionSettings.fontColor).layoutWeight(1)
Circle().width(8).height(8).fill(this.voiceState.asrStatus === ASRStatus.LISTENING ? '#00ff00' : this.voiceState.asrStatus === ASRStatus.RECOGNIZING ? '#ffcc00' : '#666').margin({ right: 8 })
Button() { Text(this.isExpanded ? '▼' : '▶').fontSize(14).fontColor('#fff') }
.type(ButtonType.Circle).backgroundColor('#333').width(28).height(28).onClick(() => { this.isExpanded = !this.isExpanded; })
}
.width('100%').margin({ bottom: 8 })
}
@Builder
CaptionDisplayBuilder() {
Column() {
ForEach(this.getVisibleCaptions(), (segment: CaptionSegment) => {
Row() {
if (this.voiceState.captionSettings.showSpeaker && segment.speakerId) {
Text(`[${segment.speakerId}]`).fontSize(this.voiceState.captionSettings.fontSize - 2).fontColor('#c41e3a').margin({ right: 8 })
}
if (this.voiceState.captionSettings.showTimestamp) {
Text(segment.getTimeRange()).fontSize(this.voiceState.captionSettings.fontSize - 4).fontColor('#666').margin({ right: 8 })
}
Text(segment.text).fontSize(this.voiceState.captionSettings.fontSize).fontColor(this.voiceState.captionSettings.fontColor).fontWeight(segment.isFinal ? FontWeight.Normal : FontWeight.Light).layoutWeight(1).opacity(segment.isFinal ? 1.0 : 0.7)
}
.width('100%').padding({ top: 4, bottom: 4 })
})
if (this.voiceState.currentASRResult && !this.voiceState.currentASRResult.isFinal) {
Row() {
Text(this.voiceState.currentASRResult.text).fontSize(this.voiceState.captionSettings.fontSize).fontColor(this.voiceState.captionSettings.fontColor).fontWeight(FontWeight.Light).layoutWeight(1).opacity(0.5)
Text('▌').fontSize(this.voiceState.captionSettings.fontSize).fontColor('#c41e3a').opacity(0.8)
}
.width('100%').padding({ top: 4, bottom: 4 })
}
}
.width('100%').minHeight(60).maxHeight(200).backgroundColor('rgba(0,0,0,0.3)').borderRadius(4).padding(8).margin({ bottom: 8 })
}
@Builder
ControlBuilder() {
Row() {
Button() { Text(this.voiceState.isRecording ? '⏹' : '⏺').fontSize(18).fontColor(this.voiceState.isRecording ? '#ff0000' : '#fff') }
.type(ButtonType.Circle).backgroundColor(this.voiceState.isRecording ? 'rgba(255,0,0,0.2)' : '#333').width(40).height(40)
.onClick(() => { if (this.voiceState.isRecording) this.stopCaption(); else this.startCaption(); })
Blank()
Button() { Text('⚙️').fontSize(16) }.type(ButtonType.Circle).backgroundColor('#333').width(36).height(36).onClick(() => {})
Button() { Text('🗑').fontSize(16) }.type(ButtonType.Circle).backgroundColor('#333').width(36).height(36).margin({ left: 8 }).onClick(() => { this.voiceState.captions = []; })
}
.width('100%')
}
}
七、语音助手对话
7.1 语音助手组件（entry/src/main/ets/components/VoiceAssistant.ets）
// entry/src/main/ets/components/VoiceAssistant.ets
// 龍魂 · 语音助手组件
import { voiceState, VoiceDialog, ASRStatus, TTSStatus } from '../models/VoiceModel';
import { asrEngine } from '../engine/ASREngine';
import { ttsEngine } from '../engine/TTSEngine';
import { navController } from '../navigation/NavigationController';
@Component
export struct VoiceAssistant {
@StorageLink('voiceState') voiceState: VoiceState = voiceState;
@State private inputText: string = '';
@State private isListening: boolean = false;
async handleVoiceInput(): Promise<void> {
if (this.isListening) { await asrEngine.stopRecognition(); this.isListening = false; return; }
this.isListening = true;
await asrEngine.startRecognition({ continuous: false, interimResults: true });
setTimeout(async () => {
const result = await asrEngine.stopRecognition();
this.isListening = false;
if (result?.text) this.processUserInput(result.text);
}, 5000);
}
handleTextInput(): void { if (!this.inputText.trim()) return; this.processUserInput(this.inputText); this.inputText = ''; }
private processUserInput(text: string): void {
voiceState.addDialog({ role: 'user', text });
const intent = this.recognizeIntent(text);
this.executeIntent(intent, text);
}
private recognizeIntent(text: string): { action: string; params: Record<string, any> } {
if (text.includes('打开项目') || text.includes('查看项目')) return { action: 'navigate', params: { page: 'ProjectList' } };
if (text.includes('里程碑') || text.includes('时间线')) return { action: 'navigate', params: { page: 'MilestoneTimeline' } };
if (text.includes('周报')) return { action: 'navigate', params: { page: 'WeeklyReview' } };
if (text.includes('印章')) return { action: 'navigate', params: { page: 'StampManagement' } };
if (text.includes('设置')) return { action: 'navigate', params: { page: 'Settings' } };
if (text.includes('退出') || text.includes('关闭')) return { action: 'exit', params: {} };
return { action: 'chat', params: { text } };
}
private async executeIntent(intent: { action: string; params: Record<string, any> }, text: string): Promise<void> {
let response = '';
switch (intent.action) {
case 'navigate': const page = intent.params.page; navController.push(page); response = `已打开${this.getPageName(page)}`; break;
case 'exit': response = '正在退出应用'; break;
default: response = `收到: ${text}。我是龍魂语音助手，可以帮您导航到各个功能页面。`; break;
}
voiceState.addDialog({ role: 'assistant', text: response, intent: intent.action, slots: intent.params });
await ttsEngine.synthesize(response);
}
private getPageName(page: string): string {
const names: Record<string, string> = { 'ProjectList': '项目管理', 'MilestoneTimeline': '里程碑时间线', 'WeeklyReview': '周报管理', 'StampManagement': '印章管理', 'Settings': '设置' };
return names[page] || page;
}
build() {
Column() {
this.HeaderBuilder()
this.DialogListBuilder()
this.InputBuilder()
}
.width('100%').height('100%').backgroundColor('#0a0a0a')
}
@Builder
HeaderBuilder() {
Row() {
Text('🤖').fontSize(24).margin({ right: 8 })
Column() {
Text('龍魂语音助手').fontSize(18).fontWeight(FontWeight.Bold).fontColor('#c41e3a')
Text(this.voiceState.asrStatus === ASRStatus.IDLE ? '就绪' : this.voiceState.ttsStatus === TTSStatus.PLAYING ? '播报中...' : '工作中').fontSize(12).fontColor('#666')
}
.alignItems(HorizontalAlign.Start).layoutWeight(1)
Button() { Text(this.voiceState.isWakeWordEnabled ? '🔔' : '🔕').fontSize(18) }
.type(ButtonType.Circle).backgroundColor('#1a1a1a').width(36).height(36).onClick(() => { this.voiceState.isWakeWordEnabled = !this.voiceState.isWakeWordEnabled; })
}
.width('100%').height(56).padding({ left: 16, right: 16 }).backgroundColor('#1a1a1a').border({ width: { bottom: 1 }, color: '#333' })
}
@Builder
DialogListBuilder() {
List() {
ForEach(this.voiceState.dialogs, (dialog: VoiceDialog) => {
ListItem() {
Column() {
Row() {
Text(dialog.getRoleIcon()).fontSize(20).margin({ right: 8 })
Column() {
Text(dialog.text).fontSize(14).fontColor('#fff').width('100%')
if (dialog.intent) { Text(`意图: ${dialog.intent}`).fontSize(11).fontColor('#666').margin({ top: 4 }) }
}
.alignItems(HorizontalAlign.Start).layoutWeight(1)
.backgroundColor(dialog.role === 'user' ? 'rgba(196,30,58,0.1)' : dialog.role === 'assistant' ? 'rgba(0,255,0,0.05)' : '#1a1a1a')
.borderRadius(8).padding(12)
}
.width('100%').justifyContent(dialog.role === 'user' ? FlexAlign.End : FlexAlign.Start)
}
.width('100%').padding({ left: 16, right: 16, top: 8, bottom: 8 })
}
}, (dialog: VoiceDialog) => dialog.id)
}
.width('100%').layoutWeight(1).scrollBar(BarState.Auto).padding({ bottom: 16 })
}
@Builder
InputBuilder() {
Row() {
Button() { Text(this.isListening ? '⏹' : '🎤').fontSize(20).fontColor(this.isListening ? '#ff0000' : '#fff') }
.type(ButtonType.Circle).backgroundColor(this.isListening ? 'rgba(255,0,0,0.2)' : '#c41e3a').width(48).height(48).onClick(() => { this.handleVoiceInput(); })
TextInput({ placeholder: '输入指令或点击麦克风...', text: $$this.inputText }).width('100%').height(48).backgroundColor('#1a1a1a').fontColor('#fff').placeholderColor('#666').borderRadius(24).padding({ left: 16, right: 16 }).layoutWeight(1).margin({ left: 8, right: 8 }).onSubmit(() => { this.handleTextInput(); })
Button() { Text('➤').fontSize(18).fontColor('#fff') }.type(ButtonType.Circle).backgroundColor('#c41e3a').width(48).height(48).onClick(() => { this.handleTextInput(); })
}
.width('100%').height(64).padding({ left: 16, right: 16 }).backgroundColor('#1a1a1a').border({ width: { top: 1 }, color: '#333' })
}
}
八、主页面实现
8.1 语音主页面（entry/src/main/ets/pages/VoiceAssistantPage.ets）
// entry/src/main/ets/pages/VoiceAssistantPage.ets
// 龍魂 · 语音助手主页面
import { voiceState, VoiceState, ASRStatus, TTSStatus } from '../models/VoiceModel';
import { LiveCaption } from '../components/LiveCaption';
import { VoiceAssistant } from '../components/VoiceAssistant';
import { asrEngine } from '../engine/ASREngine';
import { ttsEngine } from '../engine/TTSEngine';
import { VoiceDatabase } from '../database/VoiceDatabase';
@Entry
@Component
struct VoiceAssistantPage {
@StorageLink('voiceState') voiceState: VoiceState = voiceState;
@State private selectedTab: number = 0;
@State private showModelManager: boolean = false;
@State private showVoicePrint: boolean = false;
aboutToAppear() {
asrEngine.initialize(); ttsEngine.initialize(); this.loadModels(); VoiceDatabase.init();
console.info('[龍魂] 语音助手页面已初始化');
}
loadModels(): void {}
build() {
Column() {
this.HeaderBuilder()
this.StatsBuilder()
this.TabBuilder()
this.ContentBuilder()
this.FooterBuilder()
}
.width('100%').height('100%').backgroundColor('#0a0a0a')
}
@Builder
HeaderBuilder() {
Row() {
Text('🐉').fontSize(28).margin({ right: 8 })
Column() { Text('龍魂语音AI').fontSize(20).fontWeight(FontWeight.Bold).fontColor('#c41e3a'); Text(`UID:${MASTER_UID} · 端侧推理`).fontSize(12).fontColor('#666'); }
.alignItems(HorizontalAlign.Start).layoutWeight(1)
Button() { Text('📦').fontSize(20) }.type(ButtonType.Circle).backgroundColor('#1a1a1a').width(40).height(40).onClick(() => { this.showModelManager = true; })
Button() { Text('👤').fontSize(20) }.type(ButtonType.Circle).backgroundColor('#1a1a1a').width(40).height(40).margin({ left: 8 }).onClick(() => { this.showVoicePrint = true; })
}
.width('100%').height(56).padding({ left: 16, right: 16 }).backgroundColor('#1a1a1a').border({ width: { bottom: 1 }, color: '#333' })
}
@Builder
StatsBuilder() {
Row() {
this.StatCard('模型', this.voiceState.statistics.totalModels.toString(), '#fff')
this.StatCard('已加载', this.voiceState.statistics.loadedModels.toString(), '#00ff00')
this.StatCard('识别', this.voiceState.statistics.totalASRResults.toString(), '#ffcc00')
this.StatCard('字幕', this.voiceState.statistics.totalCaptions.toString(), '#0066cc')
this.StatCard('对话', this.voiceState.statistics.totalDialogs.toString(), '#c41e3a')
}
.width('100%').height(80).padding({ left: 12, right: 12, top: 8, bottom: 8 }).backgroundColor('#1a1a1a').border({ width: { bottom: 1 }, color: '#333' })
}
@Builder
StatCard(label: string, value: string, color: string) {
Column() { Text(value).fontSize(24).fontWeight(FontWeight.Bold).fontColor(color); Text(label).fontSize(11).fontColor('#666').margin({ top: 4 }); }
.width('20%').height('100%').justifyContent(FlexAlign.Center).alignItems(HorizontalAlign.Center)
}
@Builder
TabBuilder() {
Row() {
ForEach([{ label: '语音助手', icon: '🤖' }, { label: '实时字幕', icon: '📝' }, { label: '模型管理', icon: '📦' }, { label: '声纹设置', icon: '👤' }], (item: {label: string, icon: string}, index: number) => {
Column() {
Text(`${item.icon} ${item.label}`).fontSize(13).fontWeight(this.selectedTab === index ? FontWeight.Bold : FontWeight.Normal).fontColor(this.selectedTab === index ? '#c41e3a' : '#888')
if (this.selectedTab === index) { Divider().strokeWidth(2).color('#c41e3a').width(20).margin({ top: 4 }); }
}
.padding({ top: 12, bottom: 12, left: 16, right: 16 }).onClick(() => { this.selectedTab = index; })
})
}
.width('100%').justifyContent(FlexAlign.SpaceAround).backgroundColor('#1a1a1a').border({ width: { bottom: 1 }, color: '#333' })
}
@Builder
ContentBuilder() {
if (this.selectedTab === 0) { VoiceAssistant() }
else if (this.selectedTab === 1) { LiveCaption() }
else if (this.selectedTab === 2) { this.ModelManagerBuilder() }
else { this.VoicePrintBuilder() }
}
@Builder
ModelManagerBuilder() {
Column() {
Text('模型管理').fontSize(18).fontWeight(FontWeight.Bold).fontColor('#fff').margin({ bottom: 16 })
List() {
ForEach(Array.from(this.voiceState.models.values()), (model) => {
ListItem() {
Row() {
Column() { Text(model.getDisplayName()).fontSize(14).fontColor('#fff'); Text(`${model.size}MB · 准确率${Math.round(model.accuracy * 100)}%`).fontSize(11).fontColor('#666'); }
.alignItems(HorizontalAlign.Start).layoutWeight(1)
Text(model.isLoaded ? '● 已加载' : model.isDownloaded ? '○ 已下载' : '⊗ 未下载').fontSize(12).fontColor(model.isLoaded ? '#00ff00' : model.isDownloaded ? '#ffcc00' : '#666')
}
.width('100%').padding(12).backgroundColor('#1a1a1a').borderRadius(8)
}
})
}
.width('100%').layoutWeight(1)
}
.width('100%').padding(16)
}
@Builder
VoicePrintBuilder() {
Column() {
Text('声纹设置').fontSize(18).fontWeight(FontWeight.Bold).fontColor('#fff').margin({ bottom: 16 })
List() {
ForEach(Array.from(this.voiceState.voicePrints.values()), (print) => {
ListItem() {
Row() {
Text('👤').fontSize(20).margin({ right: 12 })
Column() { Text(print.name).fontSize(14).fontColor('#fff'); Text(`${print.sampleCount} 个样本 · 阈值 ${print.threshold}`).fontSize(11).fontColor('#666'); }
.alignItems(HorizontalAlign.Start).layoutWeight(1)
}
.width('100%').padding(12).backgroundColor('#1a1a1a').borderRadius(8)
}
})
}
.width('100%').layoutWeight(1)
}
.width('100%').padding(16)
}
@Builder
FooterBuilder() {
Row() {
Column() { Text('🐉').fontSize(20); Text(`UID:${MASTER_UID}`).fontSize(10).fontColor('#666'); }
.alignItems(HorizontalAlign.Start).layoutWeight(1)
Row() {
Text(`🎤 ${this.voiceState.asrStatus === ASRStatus.IDLE ? '就绪' : '工作中'}`).fontSize(12).fontColor('#888')
Text(`🔊 ${this.voiceState.ttsStatus === TTSStatus.IDLE ? '就绪' : '工作中'}`).fontSize(12).fontColor('#888').margin({ left: 12 })
}
}
.width('100%').height(40).padding({ left: 16, right: 16 }).backgroundColor('#1a1a1a').border({ width: { top: 1 }, color: '#333' })
}
}
const MASTER_DNA = "ZHUGEXIN⚡️2025-🇨🇳🐉⚖️♠️🧚🏼♀️❤️♾️";
const MASTER_UID = "9622";
九、组件清单
| 文件 | 路径 | 说明 |
|---|---|---|
| 语音模型 | entry/src/main/ets/models/VoiceModel.ets | VoiceModel/ASRResult/TTSResult/CaptionSegment/VoiceDialog/VoicePrint/VoiceState |
| ASR引擎 | entry/src/main/ets/engine/ASREngine.ets | 语音识别引擎/流式识别 |
| TTS引擎 | entry/src/main/ets/engine/TTSEngine.ets | 语音合成引擎/情感合成 |
| 实时字幕 | entry/src/main/ets/components/LiveCaption.ets | 字幕显示/控制/设置 |
| 语音助手 | entry/src/main/ets/components/VoiceAssistant.ets | 对话/意图识别/语音播报 |
| 语音主页面 | entry/src/main/ets/pages/VoiceAssistantPage.ets | 完整语音AI界面 |
| 数据库 | entry/src/main/ets/database/VoiceDatabase.ets | 语音数据持久化 |
十、鸿蒙特性使用
| 特性 | 用途 | API |
|---|---|---|
| ArkTS声明式UI | 界面构建 | @Component @Entry |
| 状态管理 | 数据响应 | @State @Observed @StorageLink |
| 语音引擎 | 语音识别/合成 | voiceEngine ASR TTS |
| 音频录制 | 麦克风输入 | audioRecorder createAudioRecorder |
| 音频播放 | 扬声器输出 | audioPlayer createAudioPlayer |
| 端侧AI | 模型推理 | aiEngine neuralNetwork |
| 后台任务 | 持续监听 | workScheduler |
| 通知 | 识别完成提醒 | notificationManager |
| 文件 | 模型存储 | file fs |
| 国密算法 | 数据签名 | cryptoFramework SM2/SM3 |
十一、语音AI特性对照表
| 特性 | 云端方案 | 端侧方案 | 龍魂实现 | 说明 |
|---|---|---|---|---|
| 语音识别 | 高准确/高延迟 | 中准确/低延迟 | 端侧优先 | 离线可用 |
| 语音合成 | 自然/高延迟 | 机械/低延迟 | 情感合成 | 支持情感 |
| 实时字幕 | 需联网 | 纯本地 | 流式输出 | 低延迟 |
| 唤醒词 | 云端验证 | 本地检测 | 本地检测 | 隐私安全 |
| 声纹识别 | 云端比对 | 本地比对 | 本地比对 | 不上传 |
| 方言支持 | 云端丰富 | 端侧有限 | 8种方言 | 持续扩展 |
| 多语言 | 云端全支持 | 端侧有限 | 10种语言 | 按需下载 |
| 情感合成 | 云端支持 | 端侧支持 | 6种情感 | 端侧实现 |
| 噪声抑制 | 云端强 | 端侧弱 | 端侧优化 | 场景适配 |
| 隐私保护 | 数据上传 | 数据本地 | 端侧优先 | 不上云 |
十二、龍魂标识
| 位置 | 内容 |
|---|---|
| 应用名称 | 龍魂语音AI |
| 标题栏 | 🐉 龍魂语音AI |
| 底部标识 | UID:9622 |
| 数据签名 | SM3-哈希 |
| DNA | ZHUGEXIN⚡️2025-🇨🇳🐉⚖️♠️🧚🏼♀️❤️♾️ |
🐉 龍魂 · 鸿蒙端侧语音识别与合成实战：从实时字幕到语音助手 交付完成
DNA: ZHUGEXIN⚡️2025-🇨🇳🐉⚖️♠️🧚🏼♀️❤️♾️
UID: 9622
确认码: #CONFIRM🌌9622-ONLY-ONCE🧬LK9X-772Z
时间: 2026-07-14
模块: 7核心文件
特性: 语音识别引擎 · 语音合成引擎 · 实时字幕系统 · 语音助手对话 · 唤醒词检测 · 声纹识别 · 噪声抑制 · 端侧模型管理 · 国密签名
作为“人工智能6S店”的官方数字引擎，为AI开发者与企业提供一个覆盖软硬件全栈、一站式门户。
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