Karl D. Lerud, Ph.D.

Auditory perception: Stimulus design and analysis

Home

---

Project maintained by lerud Hosted on GitHub Pages — Theme by mattgraham

Auditory stimulus design in MATLAB

The GrFNN Toolbox has functionality for auditory stimulus design and analysis. Download it and add it to your MATLAB path, including subdirectories, to follow along with some stimulus programming, from simple to complex.

---

Each category here will have some explanation, code, and visualization.

• Basic
  • Simple sinusoid
  • Starting phase and multiple components
  • Automation of frequency and amplitude
• Ramping
  • Linear
  • Nonlinear
• Amplitude modulation
  • Slow
  • Fast
• Noise carrier
  • Amplitude modulated noise
  • Iterated ripple noise
• Frequency modulation
  • Slow
  • Fast
  • Automated along with amplitude modulation
  • Another automated along with amplitude modulation
• Masking noise
  • Basic
  • Filtered mask
  • Mask all time spans

• Stimulus filter

• Complex stimuli with random aspects
  • Example 1
  • Example 2
  • Example 3
  • Example 4