iOS & Mac SDK

platform :ios, '11.0'  # iOS
# platform :osx, '10.13'  # macOS

target 'YourApp' do
  # iOS
  pod 'TXLiteAVSDK_VoiceAI_iOS', '13.5.0.223'

  # macOS
  # pod 'TXLiteAVSDK_VoiceAI_Mac', '13.5.0.223'
end

#import "TXRealtimeASR.h"

<key>NSMicrophoneUsageDescription</key>
<string>需要使用麦克风进行语音转写</string>

#import "TXRealtimeASR.h"

@interface ASRDemo ()<TXRealtimeASRListener>
@property (nonatomic, strong) TXRealtimeASR *asr;
@end

@implementation ASRDemo

- (void)startASR {
    // 1. 创建实例
    self.asr = [[TXRealtimeASR alloc] init];

    // 2. 设置监听器
    [self.asr addListener:self];

    // 3. 配置参数并启动
    TXRealtimeASRParams *params = [[TXRealtimeASRParams alloc] init];
    params.sdkAppId = @"1400000000";          // TRTC 应用 ID
    params.userSig = @"your_user_sig";        // 服务端下发的用户签名
    params.voiceId = @"uuid-xxxx-xxxx-xxxx";  // 识别会话 ID，建议每次调用重新生成 UUID
    params.sourceLanguage = @"zh";            // 识别语言，"zh"/"en"，留空为自动识别
    params.enableCustomCapture = NO;          // 是否启用自定义音频采集
    [self.asr startRealtimeASR:params];

    // 4.（可选）自定义采集模式：开启后自行采集并送入 PCM 音频
    // NSData *pcm = ...; // 16k、单声道、16bit 采样
    // [self.asr feedPcmData:pcm sampleRate:16000 channels:1];
}

- (void)release {
    [self.asr stopRealtimeASR];
    [self.asr removeListener:self];
    self.asr = nil; // ARC 释放
}

#pragma mark - TXRealtimeASRListener

- (void)onRealtimeASRStarted:(NSString *)voiceId {
    // 转录会话已开启
}

- (void)onReceiveRealtimeASRMessage:(TXRealtimeASRMessage *)message {
    if (message.isCompleted) {
        // 稳态结果：某句话已说完
    } else {
        // 中间结果：正在识别中
    }
    // 可获取该消息在音频流中的时间区间（毫秒），-1 表示未知
    int start = message.startTime;
    int end = message.endTime;
}

- (void)onRealtimeASRStopped {
    // 转录正常停止
}

- (void)onRealtimeASRError:(int)errorCode errorMsg:(NSString *)errorMsg {
    // 转录出错，errorCode 非 0 表示异常
}

- (void)onRealtimeASRVolume:(int)volume {
    // 实时音量，volume 取值 [0, 100]
}

@end

{ "api": "<接口名>", "params": { ... } }

NSString *json = @"{\\"api\\":\\"setExtraParams\\",\\"params\\":{"
                  @"\\"extraRequestParams\\":\\"engine_model_type=bigmodel\\","
                  @"\\"clientDenoiseStrategy\\":1}}";
[self.asr callExperimentalAPI:json];