在Android上进行声学回声消除时，可以尝试以下解决方法：

1. 使用Android内置的音频接口进行回声消除：

   AudioRecord record = new AudioRecord(MediaRecorder.AudioSource.MIC, sampleRate, channelConfig, audioFormat, bufferSize);
   AcousticEchoCanceler echoCanceler = AcousticEchoCanceler.create(record.getAudioSessionId());
   if (echoCanceler != null && echoCanceler.getEnabled()) {
       echoCanceler.setEnabled(false);
   }
   

2. 使用第三方库进行回声消除，如webrtc库：

   // 添加webrtc库的依赖
   implementation 'org.webrtc:google-webrtc:1.0.+'
   
   // 创建AudioTrack和AudioRecord对象
   AudioTrack audioTrack = new AudioTrack(AudioManager.STREAM_VOICE_CALL, sampleRate, channelConfig, audioFormat, bufferSize, AudioTrack.MODE_STREAM);
   AudioRecord audioRecord = new AudioRecord(MediaRecorder.AudioSource.MIC, sampleRate, channelConfig, audioFormat, bufferSize);
   
   // 创建AudioProcessing对象并设置回声消除
   AudioProcessing audioProcessing = new AudioProcessingBuilder()
           .setAec(true)
           .setAecm(false)
           .setAgc(false)
           .setNs(false)
           .create();
   
   // 开始回声消除
   audioProcessing.setAudioFormat(sampleRate, channelCount);
   audioProcessing.setStreamDelayMs(0);
   audioProcessing.enableBuiltInAEC(true);
   audioProcessing.enableBuiltInAGC(false);
   audioProcessing.enableBuiltInNS(false);
   
   // 处理音频数据
   byte[] buffer = new byte[bufferSize];
   while (isRecording) {
       int numBytesRead = audioRecord.read(buffer, 0, bufferSize);
       byte[] processedBuffer = audioProcessing.process(buffer, numBytesRead);
       audioTrack.write(processedBuffer, 0, numBytesRead);
   }
   
   // 停止回声消除
   audioProcessing.release();
   

请注意，以上代码示例仅提供了一种基本的实现方式，并不能保证在所有情况下都能解决声学回声的问题。具体的解决方法可能需要根据实际情况进行调整和优化。