1

keyBoard/Class/AiTalk/VC/KBAIHomeVC.m

@@ -9,10 +9,11 @@
 #import "KBPersonaChatCell.h"
 #import "KBPersonaModel.h"
 #import "KBVoiceInputBar.h"
+#import "KBVoiceToTextManager.h"
 #import "AiVM.h"
 #import <Masonry/Masonry.h>
 
-@interface KBAIHomeVC () <UICollectionViewDelegate, UICollectionViewDataSource, KBVoiceInputBarDelegate>
+@interface KBAIHomeVC () <UICollectionViewDelegate, UICollectionViewDataSource, KBVoiceToTextManagerDelegate>
 
 /// 人设列表容器
 @property (nonatomic, strong) UICollectionView *collectionView;
@@ -20,6 +21,9 @@
 /// 底部语音输入栏
 @property (nonatomic, strong) KBVoiceInputBar *voiceInputBar;
 
+/// 语音转写管理器
+@property (nonatomic, strong) KBVoiceToTextManager *voiceToTextManager;
+
 /// 人设数据
 @property (nonatomic, strong) NSMutableArray<KBPersonaModel *> *personas;
 
@@ -61,6 +65,7 @@
     self.aiVM = [[AiVM alloc] init];
     
     [self setupUI];
+    [self setupVoiceToTextManager];
     [self loadPersonas];
 }
 
@@ -235,6 +240,14 @@
     }
 }
 
+#pragma mark - 4：语音转写
+
+- (void)setupVoiceToTextManager {
+    self.voiceToTextManager = [[KBVoiceToTextManager alloc] initWithInputBar:self.voiceInputBar];
+    self.voiceToTextManager.delegate = self;
+    [self.voiceToTextManager prepareConnection];
+}
+
 #pragma mark - Lazy Load
 
 - (UICollectionView *)collectionView {
@@ -263,41 +276,26 @@
 - (KBVoiceInputBar *)voiceInputBar {
     if (!_voiceInputBar) {
         _voiceInputBar = [[KBVoiceInputBar alloc] init];
-        _voiceInputBar.delegate = self;
         _voiceInputBar.statusText = @"按住按钮开始对话";
     }
     return _voiceInputBar;
 }
 
-#pragma mark - KBVoiceInputBarDelegate
+#pragma mark - KBVoiceToTextManagerDelegate
 
-- (void)voiceInputBarDidBeginRecording:(KBVoiceInputBar *)inputBar {
-    NSLog(@"[KBAIHomeVC] 开始录音");
-    inputBar.statusText = @"正在聆听...";
+- (void)voiceToTextManager:(KBVoiceToTextManager *)manager
+       didReceiveFinalText:(NSString *)text {
+    if (text.length == 0) {
+        return;
+    }
+    NSLog(@"[KBAIHomeVC] 语音识别结果：%@", text);
     
-    // TODO: 开始录音逻辑
-    // 1. 检查登录状态
-    // 2. 连接语音识别服务
-    // 3. 开始录音
+    // TODO: 使用识别文本（例如发起聊天请求）
 }
 
-- (void)voiceInputBarDidEndRecording:(KBVoiceInputBar *)inputBar {
-    NSLog(@"[KBAIHomeVC] 结束录音");
-    inputBar.statusText = @"正在识别...";
-    
-    // TODO: 结束录音逻辑
-    // 1. 停止录音
-    // 2. 发送音频数据
-    // 3. 等待识别结果
-}
-
-- (void)voiceInputBarDidCancelRecording:(KBVoiceInputBar *)inputBar {
-    NSLog(@"[KBAIHomeVC] 取消录音");
-    inputBar.statusText = @"已取消";
-    
-    // TODO: 取消录音逻辑
-    // 1. 停止录音
-    // 2. 清理资源
+- (void)voiceToTextManager:(KBVoiceToTextManager *)manager
+           didFailWithError:(NSError *)error {
+    NSLog(@"[KBAIHomeVC] 语音识别失败：%@", error.localizedDescription);
 }
 
 @end

keyBoard/Class/AiTalk/VM/KBVoiceToTextManager.h

@@ -0,0 +1,40 @@
+//
+//  KBVoiceToTextManager.h
+//  keyBoard
+//
+//  Created by Mac on 2026/1/26.
+//
+
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@class KBVoiceInputBar;
+@class KBVoiceToTextManager;
+
+@protocol KBVoiceToTextManagerDelegate <NSObject>
+@optional
+- (void)voiceToTextManagerDidBeginRecording:(KBVoiceToTextManager *)manager;
+- (void)voiceToTextManagerDidEndRecording:(KBVoiceToTextManager *)manager;
+- (void)voiceToTextManagerDidCancelRecording:(KBVoiceToTextManager *)manager;
+- (void)voiceToTextManager:(KBVoiceToTextManager *)manager
+       didUpdateInterimText:(NSString *)text;
+- (void)voiceToTextManager:(KBVoiceToTextManager *)manager
+         didReceiveFinalText:(NSString *)text;
+- (void)voiceToTextManager:(KBVoiceToTextManager *)manager
+            didFailWithError:(NSError *)error;
+@end
+
+/// Voice-to-text manager (binds KBVoiceInputBar and uses Deepgram).
+@interface KBVoiceToTextManager : NSObject
+
+@property(nonatomic, weak) id<KBVoiceToTextManagerDelegate> delegate;
+@property(nonatomic, weak, readonly) KBVoiceInputBar *inputBar;
+
+- (instancetype)initWithInputBar:(KBVoiceInputBar *)inputBar;
+- (void)prepareConnection;
+- (void)disconnect;
+
+@end
+
+NS_ASSUME_NONNULL_END

keyBoard/Class/AiTalk/VM/KBVoiceToTextManager.m

@@ -0,0 +1,170 @@
+//
+//  KBVoiceToTextManager.m
+//  keyBoard
+//
+//  Created by Mac on 2026/1/26.
+//
+
+#import "KBVoiceToTextManager.h"
+#import "DeepgramStreamingManager.h"
+#import "KBVoiceInputBar.h"
+
+@interface KBVoiceToTextManager () <KBVoiceInputBarDelegate,
+                                    DeepgramStreamingManagerDelegate>
+
+@property(nonatomic, strong) DeepgramStreamingManager *deepgramManager;
+@property(nonatomic, weak) KBVoiceInputBar *inputBar;
+@property(nonatomic, strong) NSMutableString *fullText;
+
+@end
+
+@implementation KBVoiceToTextManager
+
+- (instancetype)initWithInputBar:(KBVoiceInputBar *)inputBar {
+  self = [super init];
+  if (self) {
+    _inputBar = inputBar;
+    _inputBar.delegate = self;
+    _fullText = [[NSMutableString alloc] init];
+    [self setupDeepgram];
+  }
+  return self;
+}
+
+- (void)dealloc {
+  [self.deepgramManager disconnect];
+}
+
+#pragma mark - Public Methods
+
+- (void)prepareConnection {
+  [self.deepgramManager prepareConnection];
+}
+
+- (void)disconnect {
+  [self.deepgramManager disconnect];
+}
+
+#pragma mark - Private Methods
+
+- (void)setupDeepgram {
+  self.deepgramManager = [[DeepgramStreamingManager alloc] init];
+  self.deepgramManager.delegate = self;
+  self.deepgramManager.serverURL = @"wss://api.deepgram.com/v1/listen";
+  self.deepgramManager.apiKey = @"9c792eb63a65d644cbc95785155754cd1e84f8cf";
+  self.deepgramManager.language = @"en";
+  self.deepgramManager.model = @"nova-3";
+  self.deepgramManager.punctuate = YES;
+  self.deepgramManager.smartFormat = YES;
+  self.deepgramManager.interimResults = YES;
+  self.deepgramManager.encoding = @"linear16";
+  self.deepgramManager.sampleRate = 16000.0;
+  self.deepgramManager.channels = 1;
+}
+
+- (void)resetTranscript {
+  [self.fullText setString:@""];
+}
+
+#pragma mark - KBVoiceInputBarDelegate
+
+- (void)voiceInputBarDidBeginRecording:(KBVoiceInputBar *)inputBar {
+  [self resetTranscript];
+  inputBar.statusText = @"正在连接...";
+  [self.deepgramManager start];
+
+  if ([self.delegate respondsToSelector:@selector
+                     (voiceToTextManagerDidBeginRecording:)]) {
+    [self.delegate voiceToTextManagerDidBeginRecording:self];
+  }
+}
+
+- (void)voiceInputBarDidEndRecording:(KBVoiceInputBar *)inputBar {
+  inputBar.statusText = @"正在识别...";
+  [self.deepgramManager stopAndFinalize];
+
+  if ([self.delegate respondsToSelector:@selector
+                     (voiceToTextManagerDidEndRecording:)]) {
+    [self.delegate voiceToTextManagerDidEndRecording:self];
+  }
+}
+
+- (void)voiceInputBarDidCancelRecording:(KBVoiceInputBar *)inputBar {
+  inputBar.statusText = @"已取消";
+  [self resetTranscript];
+  [self.deepgramManager cancel];
+
+  if ([self.delegate respondsToSelector:@selector
+                     (voiceToTextManagerDidCancelRecording:)]) {
+    [self.delegate voiceToTextManagerDidCancelRecording:self];
+  }
+}
+
+#pragma mark - DeepgramStreamingManagerDelegate
+
+- (void)deepgramStreamingManagerDidConnect {
+  self.inputBar.statusText = @"正在聆听...";
+}
+
+- (void)deepgramStreamingManagerDidDisconnect:(NSError *_Nullable)error {
+  if (!error) {
+    return;
+  }
+
+  self.inputBar.statusText = @"识别失败";
+  if ([self.delegate respondsToSelector:@selector
+                     (voiceToTextManager:didFailWithError:)]) {
+    [self.delegate voiceToTextManager:self didFailWithError:error];
+  }
+}
+
+- (void)deepgramStreamingManagerDidUpdateRMS:(float)rms {
+  [self.inputBar updateVolumeRMS:rms];
+}
+
+- (void)deepgramStreamingManagerDidReceiveInterimTranscript:(NSString *)text {
+  NSString *displayText = text ?: @"";
+  if (self.fullText.length > 0 && displayText.length > 0) {
+    displayText =
+        [NSString stringWithFormat:@"%@ %@", self.fullText, displayText];
+  } else if (self.fullText.length > 0) {
+    displayText = [self.fullText copy];
+  }
+
+  self.inputBar.statusText =
+      displayText.length > 0 ? displayText : @"正在识别...";
+
+  if ([self.delegate respondsToSelector:@selector
+                     (voiceToTextManager:didUpdateInterimText:)]) {
+    [self.delegate voiceToTextManager:self didUpdateInterimText:displayText];
+  }
+}
+
+- (void)deepgramStreamingManagerDidReceiveFinalTranscript:(NSString *)text {
+  if (text.length > 0) {
+    if (self.fullText.length > 0) {
+      [self.fullText appendString:@" "];
+    }
+    [self.fullText appendString:text];
+  }
+
+  NSString *finalText = [self.fullText copy];
+  self.inputBar.statusText =
+      finalText.length > 0 ? finalText : @"识别完成";
+
+  if (finalText.length > 0 &&
+      [self.delegate respondsToSelector:@selector
+                     (voiceToTextManager:didReceiveFinalText:)]) {
+    [self.delegate voiceToTextManager:self didReceiveFinalText:finalText];
+  }
+}
+
+- (void)deepgramStreamingManagerDidFail:(NSError *)error {
+  self.inputBar.statusText = @"识别失败";
+  if ([self.delegate respondsToSelector:@selector
+                     (voiceToTextManager:didFailWithError:)]) {
+    [self.delegate voiceToTextManager:self didFailWithError:error];
+  }
+}
+
+@end