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    • codec demo - Duration: 51 seconds.

      • 1 year ago
      • 152 views
      Background materials for an explanation of psychoacoustic codecs.
    • Fountain Pen Filling Systems - Duration: 7 minutes, 55 seconds.

      • 1 year ago
      • 224 views
      A primer on how to fill a fountain pen using bottled ink.
    • Introduction to Acoustic Interference and Loudspeaker Directivity - Duration: 12 minutes.

      • 1 year ago
      • 3,010 views
      This video provides a basic description of how acoustic interference works, with an explanation of how this can result in a loudspeaker having different directivities at different frequencies.
    • Basics of Sound - Duration: 10 minutes.

      • 1 year ago
      • 942 views
      A basic introduction to sound, including the concepts of pressure, frequency, sound pressure level, and some introductory information about loudspeakers.
    • Row your Boat - Duration: 51 seconds.

      • 2 years ago
      • 31 views
      How to row a boat in Denmark
    • Jinhao X750 modified with Deleter Comic G nib - Duration: 5 minutes, 38 seconds.

      • 2 years ago
      • 701 views
      This is a quick demo of a Jinhao X750 fountain pen fitted with a Deleter Comic G dip pen nib.
    • Parker 51 Number 2 - Duration: 4 minutes, 28 seconds.

      • 2 years ago
      • 105 views
    • Parker 51 Cleaning. - Duration: 4 minutes, 36 seconds.

      • 2 years ago
      • 1,262 views
    • Loudspeaker: Input vs Output - Duration: 117 seconds.

      • 3 years ago
      • 604 views
      A comparison of the voltage applied to a loudspeaker driver and its excursion.

      Note that this example uses very low frequencies - much lower than the resonant frequency of the driver (which is app...
    • Loudspeaker Diaphragm Movement - Duration: 2 minutes, 38 seconds.

      • 3 years ago
      • 651 views
      This video is about the movement of a loudspeaker diaphragm.

      The animations are for conceptual purposes only - nothing shown here is to scale.
    • Modes on a String - Duration: 7 minutes, 56 seconds.

      • 3 years ago
      • 20,784 views
      A basic explanation and demonstration of normal modes on a string. Includes an explanation of amplitude and frequency, but does not include any math.
    • Harmonic Oscillator - Duration: 5 minutes, 50 seconds.

      • 3 years ago
      • 296 views
      A basic explanation of a damped harmonic oscillator. Includes an explanation of frequency and amplitude, but doesn't include any math.

      See https://www.youtube.com/watch?v=aZNnwQ8HJHU as well.
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