Install audacity and verify pcm

Install audacity under ubuntu

sudo add-apt-repository ppa:audacity-team/daily
sudo apt-get update
sudo apt-get install audacity

 Verify PCM raw data
 Import raw data
 Select myFile.raw file, then click Open button
 Choose these options:
    Signed 16-bit PCM
    Little-endian
    1 Channel (Mono) / 2 Channels (Stereo) based on the selected file
    Sample rate same as the selected file
 Click Import button