Acoustics Signal Processing

Dr. Imran Muhammad

waveform

About ...

Digital Audio and Acoustics is an interactive, simulation-based learning resource bridging signal theory, acoustics, and digital sound processing.

It combines readable theory, live simulations, code experiments, and interactive quizzes for intuitive learning.

EXPLORE

📖

Fundamentals in Audio Processing

  • Signals
  • Continuous and Discrete Signals
  • Sampling
  • Aliasing
  • Quantization
  • Noise
  • Bit Depth and Dithering
  • Vocoders
  • Loyld Max Quantization
📖

Basic Acoustic Quantities

  • Loudness, Volume, Level, Amplitude
  • Sound Pressure
  • Log vs Decibel Scale
  • More About dB
  • Sound Power
  • Sound Intensity
  • How Large Are Signals
  • Root Mean Square
📖

Digital Filters Basics

  • An Introduction to Digital Filters
  • Filter Characteristics
  • Equalization
  • Microphones
  • Pitch Shifting
  • Recording Requirements
  • Reverb Effects
  • Stereophony
  • Microphones in Telecommunication
  • Time Dilation
📖

Sound Fields

  • Fundamentals of Waves
  • Plane Waves in Fluid Media
  • Sound Fields
  • Sound Sources
  • Spherical Harmonics
📖

Sound Propagation

  • Introduction
  • Reflection of Plane Waves
  • Scattering
  • Diffraction
  • Refraction
  • Attenuation of Sound Waves
  • Doppler Effect
📖

Fundamentals in Audio Processing

  • Signals
  • Continuous and Discrete Signals
  • Sampling
  • Aliasing
  • Quantization
  • Noise
  • Bit Depth and Dithering
  • Vocoders
  • Loyld Max Quantization
📖

Basic Acoustic Quantities

  • Loudness, Volume, Level, Amplitude
  • Sound Pressure
  • Log vs Decibel Scale
  • More About dB
  • Sound Power
  • Sound Intensity
  • How Large Are Signals
  • Root Mean Square
📖

Digital Filters Basics

  • An Introduction to Digital Filters
  • Filter Characteristics
  • Equalization
  • Microphones
  • Pitch Shifting
  • Recording Requirements
  • Reverb Effects
  • Stereophony
  • Microphones in Telecommunication
  • Time Dilation
📖

Sound Fields

  • Fundamentals of Waves
  • Plane Waves in Fluid Media
  • Sound Fields
  • Sound Sources
  • Spherical Harmonics
📖

Sound Propagation

  • Introduction
  • Reflection of Plane Waves
  • Scattering
  • Diffraction
  • Refraction
  • Attenuation of Sound Waves
  • Doppler Effect

Key Highlights

🎧

Sound & Signal Fundamentals

Explore wave behavior and math descriptions.

📊

Interactive Simulations

Experiment with sampling, aliasing, Fourier synthesis.

💻

Hands-on Signal Analysis

Compute RMS, power, decibel levels with code examples.

🔬

Wave Physics Meets Audio

Understand standing waves, Doppler effect, resonance, human hearing.

🎹

Digital Audio Processing

Learn filters, spectral analysis, psychoacoustics.

🌍

Accessible & Open

Built with Next.js and MDX for browser-based learning.

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“Learning acoustics is not just about formulas - it is about hearing the math.”

- Dr. Imran Muhammad