Digital Audio

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Tascam DR-40: Digital audio recorder

Product page

Video overview


  • Waveform Audio File Format - lossless, supported by HTML5 audio, relatively large file size
  • MPEG-1 or MPEG-2 Audio Layer III - lossy, small file size, popular on web, file sharing
  • Broadcast Wave Format - extenion of WAV, used in motion picture, radio and television
  • Microphones

    Polar patterns

    Audio Technica Shotgun Condenser

    Sennheiser Evolution 935 Vocal Dynamic

    Blue Yeti Multi-Pattern USB

    Audio cables


    In physics, sound is a vibration that propagates as a typically audible mechanical wave of pressure and displacement, through a medium such as air or water. Wikipedia