✦Sparkl
builder · senses

Audio & Speech Models

Explore how AI understands sound, speech, and commands—then build your own voice-controlled app!

20 modules·Difficulty: ★★★☆☆· 5 Free
Start module 1

Modules

  • 1
    Free8 min
    Sound Waves Meet Computers
    Discover how vibrations in air become numbers your computer can understand 🎵
  • 2
    Free10 min
    Visualizing Sound with Waveforms
    Learn to read audio graphs that show pitch, volume, and rhythm over time.
  • 3
    Free9 min
    From Time to Frequency: Spectrograms
    Unlock the secret code that reveals which pitches are present in any sound.
  • 4
    Free11 min
    What Makes Speech Special?
    Explore the unique patterns in human voices that AI can detect and decode.
  • 5
    Free10 min
    Phonemes: The Building Blocks of Words
    Break down speech into tiny sound units that AI uses to recognize language.
  • 6
    Paid12 min
    Feature Extraction Basics
    Learn how AI pulls out important clues from audio data to make decisions.
  • 7
    Paid11 min
    Training a Simple Keyword Spotter
    Teach a model to recognize one or two command words from scratch.
  • 8
    Paid10 min
    Collecting Clean Audio Samples
    Discover best practices for recording voice data that trains models well.
  • 9
    Paid9 min
    Background Noise and Robustness
    See how real-world sounds affect AI and learn tricks to make models tougher.
  • 10
    Paid11 min
    Accents, Dialects, and Fairness
    Understand why AI sometimes struggles with different voices and how to fix it.
  • 11
    Paid12 min
    Expanding to Multi-Word Commands
    Build a classifier that understands short phrases instead of single words.
  • 12
    Paid10 min
    Real-Time Audio Processing
    Explore how AI listens and responds instantly without long delays.
  • 13
    Paid11 min
    Privacy and Voice Data
    Learn why protecting recorded voices matters and how to build safer systems.
  • 14
    Paid9 min
    Debugging Low Accuracy Models
    Discover detective work to figure out why your model gets confused.
  • 15
    Paid12 min
    Data Augmentation for Audio
    Stretch, speed up, or add echoes to create more training examples automatically.
  • 16
    Paid11 min
    Integrating Voice Control into an App
    Connect your trained model to a simple interface users can actually talk to.
  • 17
    Paid10 min
    Testing Across Different Environments
    Try your app in quiet rooms, noisy cafes, and outdoors to find weak spots.
  • 18
    Paid12 min
    Polishing the User Experience
    Add friendly feedback, error messages, and tips so people enjoy using your app.
  • 19
    Paid11 min
    Capstone: Launch Your Voice App
    Bring together everything you learned to present a working voice-controlled project.
  • 20
    Final exam25 min
    Final Exam: Audio & Speech Mastery
    Show what you know about waveforms, models, and building real voice apps.