声波复读机 app for iPhone and iPad

You can use the app to Improve your pronunciation of foreign language by comparing the sound waveforms and repeated listening.
The main function 
1 Select a sound file from
      iPod music library (using iTunes upload) 
      Local music library (using a browser to upload the mp3 file) 
      Play history
2  Play 
      Play and Pause
      Loop play
      Loop a segment audio 
3   Sound waveform  (max15 seconds) 
      Generating audio sound waveform  
      Recording your pronunciation through microphone while generating your sound waveform
***When you Recording your pronunciation ,Please push and hold the mic button!****