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local_plugins/azure_speech/android/src/main/kotlin/com/yunqiinnovation/azure_speech/AzureSpeechPlugin.kt

@@ -18,6 +18,7 @@ import com.deep_voice.speech.tts.TtsEventListener
 import com.deep_voice.speech.tts.TtsEventType
 import com.yunqiinnovation.ble_service.BleService
 import com.deep_voice.speech.tts.AudioOutputDevice
+import com.deep_voice.speech.tts.AudioDataListener
 import kotlinx.coroutines.*
 import com.yunqiinnovation.azure_speech.tools.RecordFile
 /** AzureSpeechPlugin */
@@ -105,6 +106,70 @@ class AzureSpeechPlugin : BleService.Callback, FlutterPlugin {
             }
         }
     }
+
+     /**
+                 * 从WAV格式音频数据中提取纯PCM数据
+                 * 
+                 * @param wavData WAV格式的音频数据
+                 * @return 纯PCM音频数据
+                 */
+                private fun extractPcmFromWav(wavData: ByteArray): ByteArray {
+                    try {
+                        // WAV文件头最小长度为44字节
+                        if (wavData.size < 44) {
+                            FileLogger.e(tag, "WAV数据长度不足，无法解析文件头")
+                            return ByteArray(0)
+                        }
+                        
+                        // 检查RIFF标识符
+                        val riffHeader = String(wavData, 0, 4, Charsets.US_ASCII)
+                        if (riffHeader != "RIFF") {
+                            FileLogger.e(tag, "不是有效的RIFF WAV文件，标识符: $riffHeader")
+                            return ByteArray(0)
+                        }
+                        
+                        // 检查WAVE标识符
+                        val waveHeader = String(wavData, 8, 4, Charsets.US_ASCII)
+                        if (waveHeader != "WAVE") {
+                            FileLogger.e(tag, "不是有效的WAVE文件，标识符: $waveHeader")
+                            return ByteArray(0)
+                        }
+                        
+                        // 查找data chunk
+                        var offset = 12 // 跳过RIFF头部
+                        while (offset < wavData.size - 8) {
+                            val chunkId = String(wavData, offset, 4, Charsets.US_ASCII)
+                            val chunkSize = (wavData[offset + 4].toInt() and 0xFF) or
+                                          ((wavData[offset + 5].toInt() and 0xFF) shl 8) or
+                                          ((wavData[offset + 6].toInt() and 0xFF) shl 16) or
+                                          ((wavData[offset + 7].toInt() and 0xFF) shl 24)
+                            
+                            if (chunkId == "data") {
+                                // 找到data chunk，提取PCM数据
+                                val dataOffset = offset + 8
+                                val dataSize = minOf(chunkSize, wavData.size - dataOffset)
+                                
+                                if (dataSize > 0) {
+                                    val pcmData = ByteArray(dataSize)
+                                    System.arraycopy(wavData, dataOffset, pcmData, 0, dataSize)
+                                    FileLogger.d(tag, "成功提取PCM数据: ${pcmData.size}字节")
+                                    return pcmData
+                                }
+                                break
+                            }
+                            
+                            // 移动到下一个chunk
+                            offset += 8 + chunkSize
+                        }
+                        
+                        FileLogger.e(tag, "未找到data chunk")
+                        return ByteArray(0)
+                        
+                    } catch (e: Exception) {
+                        FileLogger.e(tag, "解析WAV数据异常: ${e.message}")
+                        return ByteArray(0)
+                    }
+                }
     // 音频数据 事件发送方法
     private fun sendAudioDataEvent(event: Map<String, Any>) {
         if (audioDataEventSink == null) {
@@ -937,7 +1002,15 @@ class AzureSpeechPlugin : BleService.Callback, FlutterPlugin {
                         }
                         override fun onSynthesisAudioGenerated(text: String, audioData: ByteArray) {
                             FileLogger.d(tag, "语音合成音频生成,文本=${text},音频数据大小=${audioData.size}")
-                            BleService.writeExternalAudioData(audioData)
+                               // Azure TTS返回的是RIFF WAV格式，需要去除文件头
+                    val pcmData = extractPcmFromWav(audioData)
+                    if (pcmData.isNotEmpty()) {
+                        FileLogger.d(tag, "提取PCM数据，大小=${pcmData.size}字节")
+                            BleService.writeExternalRightAudioData(pcmData)
+                    }
+                    else {
+                        FileLogger.e(tag, "提取PCM数据失败，音频数据可能不是WAV格式")
+                    }
                         }
                         override fun onSynthesisFailed(text: String, error: String) {
                             // sendAstEvent(

local_plugins/azure_speech/ios/azure_speech/Sources/azure_speech/AzureSpeechPlugin.swift

@@ -264,6 +264,65 @@ private func sendAstEvent(_ event: [String: Any]) {
         sendAudioDataEvent(eventMap)
     }
     
+    /**
+     * 从WAV格式音频数据中提取纯PCM数据
+     * @param wavData WAV格式的音频数据
+     * @return 纯PCM音频数据，如果提取失败则返回空Data
+     */
+    private func extractPcmFromWav(_ wavData: Data) -> Data {
+        // WAV文件头最小长度为44字节
+        guard wavData.count >= 44 else {
+            os_log("WAV数据长度不足，无法解析文件头", log: log, type: .error)
+            return Data()
+        }
+        
+        // 检查RIFF标识符
+        let riffHeader = String(data: wavData.subdata(in: 0..<4), encoding: .ascii) ?? ""
+        guard riffHeader == "RIFF" else {
+            os_log("不是有效的RIFF WAV文件，标识符: %@", log: log, type: .error, riffHeader)
+            return Data()
+        }
+        
+        // 检查WAVE标识符
+        let waveHeader = String(data: wavData.subdata(in: 8..<12), encoding: .ascii) ?? ""
+        guard waveHeader == "WAVE" else {
+            os_log("不是有效的WAVE文件，标识符: %@", log: log, type: .error, waveHeader)
+            return Data()
+        }
+        
+        // 查找data chunk
+        var offset = 12 // 跳过RIFF头部
+        while offset < wavData.count - 8 {
+            let chunkIdData = wavData.subdata(in: offset..<(offset + 4))
+            let chunkId = String(data: chunkIdData, encoding: .ascii) ?? ""
+            
+            // 读取chunk大小（小端序）
+            let chunkSizeData = wavData.subdata(in: (offset + 4)..<(offset + 8))
+            let chunkSize = chunkSizeData.withUnsafeBytes { bytes in
+                return bytes.load(as: UInt32.self).littleEndian
+            }
+            
+            if chunkId == "data" {
+                // 找到data chunk，提取PCM数据
+                let dataOffset = offset + 8
+                let dataSize = min(Int(chunkSize), wavData.count - dataOffset)
+                
+                if dataSize > 0 {
+                    let pcmData = wavData.subdata(in: dataOffset..<(dataOffset + dataSize))
+                    os_log("成功提取PCM数据: %d字节", log: log, type: .info, pcmData.count)
+                    return pcmData
+                }
+                break
+            }
+            
+            // 移动到下一个chunk
+            offset += 8 + Int(chunkSize)
+        }
+        
+        os_log("未找到data chunk", log: log, type: .error)
+        return Data()
+    }
+    
     // MARK: - ASR 方法处理
     
     private func handleAsrMethodCall(_ call: FlutterMethodCall, result: @escaping FlutterResult) {
@@ -950,9 +1009,18 @@ private class AstEventCallback: IntegratedSpeechTranslationService.ServiceEventC
      * @param audioData 音频数据
      */
     public func onSynthesisAudioGenerated(text: String, audioData: Data) {
-        print("语音合成音频数据生成回调", text, audioData.count)
-        // 调用BLE服务写入音频数据
-        BleService.shared.writeExternalAudioData(data: audioData)
+        guard let plugin = plugin else { return }
+        
+        plugin.os_log("语音合成音频生成,文本=%@,音频数据大小=%d", log: plugin.log, type: .info, text, audioData.count)
+        
+        // Azure TTS返回的是RIFF WAV格式，需要去除文件头提取PCM数据
+        let pcmData = plugin.extractPcmFromWav(audioData)
+        if !pcmData.isEmpty {
+            plugin.os_log("提取PCM数据，大小=%d字节", log: plugin.log, type: .info, pcmData.count)
+            BleService.shared.writeExternalAudioData(data: pcmData)
+        } else {
+            plugin.os_log("提取PCM数据失败，音频数据可能不是WAV格式", log: plugin.log, type: .error)
+        }
     
 //        plugin?.sendAsrEvent([
 //            "type": "synthesisAudioGenerated",