Decibels (dB), Logarithmic vs. Linear Scaling, Frequency Spectra, Octaves (164)

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Chapter Outline

Chapter 4 - Decibels (dB), Logarithmic vs. Linear Scaling, Frequency Spectra, Octaves (Instrumentation for Electrical Test and Measurement)

  • Understanding Decibels (dB) and Octaves
    • Decibels—Power Ratio
    • Decibels—Voltage Ratio
    • dB Ratio Conversions
      • Reference Levels for Decibel Notation
      • Adding Two Power Ratios in dB
    • Logarithmic vs. Linear Scaling
  • Introduction to Frequency, Octaves and Sound
    • Sound Perception
      • Frequency Spectra for Various Noise Sources
      • Diatonic Musical Scale
    • Octave
      • 1/3 Octave Bandwidths
      • 1/3 Octave Band Definitions
      • 1/3 Octave Bands, Center Frequency

Video Outline

Decibels (dB), Logarithmic vs. Linear Scaling, Frequency Spectra, Octaves (#166-166)