title: how to play PCM sound file in Ubuntu?
body: <p>I have a PCM sound file with sample rate 16000, sample bit 16 and channel 1. I want to play it , but there's no software can do. I also tried ffplay like :</p>
  
  <pre><code>ffplay -ar 16000 -ac 1 snake.raw
  </code></pre>
  
  <p>But still failed. How to play the PCM sound file in Ubuntu?</p>