Speech AI & Voice Agents
Free Intermediate course · 10 lessons · 3 weeks · Certificate on completion
Turn speech into text, text into speech, and both into a voice agent people can actually talk to. Across 10 lessons you'll move from fundamentals to a portfolio-ready outcome — at your own pace, with quizzes after each lesson and a final exam to certify your mastery.
What you'll learn
- How speech recognition works
- Choosing a transcription model
- Diarization and timestamps
- Accents, noise and accuracy
- Text-to-speech and voice choice
- Latency in real-time voice
Skills you'll pick up
- How speech recognition works
- Choosing a transcription model
- Diarization and timestamps
- Accents, noise and accuracy
- Text-to-speech and voice choice
- Latency in real-time voice
Tools covered
- Speech AI
- Real-world projects
- Quizzes
- Final exam
Course modules
Module 1: How speech recognition works
Module 1 of Speech AI & Voice Agents. 3 lessons · 3h
Module 2: Choosing a transcription model
Module 2 of Speech AI & Voice Agents. 3 lessons · 3h
Module 3: Diarization and timestamps
Module 3 of Speech AI & Voice Agents. 3 lessons · 3h
Module 4: Accents, noise and accuracy
Module 4 of Speech AI & Voice Agents. 1 lessons · 1h
Lessons in this course
- How speech recognition works
- Choosing a transcription model
- Diarization and timestamps
- Accents, noise and accuracy
- Text-to-speech and voice choice
- Latency in real-time voice
- Turn-taking and interruptions
- Voice agent conversation design
- Consent, recording and privacy
- Deploying a voice assistant
Instructor
Elena Duarte — AI Platform Engineer
Elena Duarte is a AI Platform Engineer with years of hands-on experience teaching Speech AI to thousands of learners worldwide.
Certificate
Finish every lesson and pass the final exam to earn a free, verifiable Learnera certificate for Speech AI & Voice Agents. It can be downloaded as a PDF and shared on LinkedIn.
Career outcomes
Median global salary $125,000 per year · median India salary ₹17,50,000 per year · 24,511 open roles worldwide
- Speech AI Specialist
- Senior Speech AI Lead
- Speech AI Consultant
Frequently asked questions
Is the Speech AI & Voice Agents course free?
Yes. Every Learnera course, including Speech AI & Voice Agents, is completely free — lessons, quizzes, the final exam, and the certificate.
How long does Speech AI & Voice Agents take?
10 lessons, typically completed in 3 weeks at a comfortable pace.
Do I get a certificate?
Yes — pass the final exam and you receive a free, verifiable certificate you can share on LinkedIn.