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Digitizing Audio


Digitizing Audio

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Java application to help visualize concepts of digital sampling and quantization, in this case of audio signals.  Use sliders to vary frequency of a sine wave, the sampling rate, and the bits per sample.  See mapping of analog input ranges to digital encodings, visual representation of the waveform that can be generated from the digitized information, and a list of sample values.Modified January, 2007 to produce audio output of the generated waveform.
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Material Type: Animation
Date Added to MERLOT: December 18, 2006
Date Modified in MERLOT: March 02, 2016


  • Reviewed by members of Editorial board for inclusion in MERLOT.
    Editor Review
    Very good quality; in queue to be peer reviewed
    avg: 5 rating
  • User review 2 average rating
  • User Rating: 2 user rating
  • Discussion (1 Comment)
  • Learning Exercises (none)
  • Bookmark Collections (4)
  • Course ePortfolios (none)
  • Accessibility Info (none)

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Primary Audience: College General Ed
Mobile Compatibility: Not specified at this time
Technical Requirements: Java Runtime 1.5 or later required.
Language: English
Cost Involved: no
Source Code Available: yes
Accessibility Information Available: unsure
Creative Commons: unsure


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Discussion for Digitizing Audio

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Avatar for Marcelo Mamud
7 years ago

Marcelo Mamud (Faculty)

The subject is relevant to eletronic and computer engineering students, but the navigation through this learning material should friendly. In other words, working with java could never be a pre requisite for the students to be able to use this learning resource.