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Communicating with Natural Language


Learn voice user interface techniques that turn speech into text and vice versa. Build a speech recognition model using deep neural networks.

Learn voice user interface techniques that turn speech into text and vice versa. Build a speech recognition model using deep neural networks.


4 weeks

Real-world Projects

Completion Certificate

Last Updated April 17, 2023

Skills you'll learn:
Alexa skill creation • Speech recognition • Voice user interfaces • Alexa skill deployment
Intermediate Python • Neural network basics • Basic probability

Course Lessons

Lesson 1

Course Introduction

Introduce the course outline and the course prerequisite

Lesson 2

Intro to Voice User Interfaces

Get acquainted with the principles and applications of VUI, and get introduced to Alexa skills.

Lesson 3

(Optional) Alexa History Skill

Build your own Alexa skill and deploy it!

Lesson 4

Speech Recognition

Learn how an automatic speech recognition (ASR) pipeline works.

Lesson 5 • Project

Project: DNN Speech Recognizer

Build a deep neural network that functions as part of an end-to-end automatic speech recognition pipeline.

Taught By The Best

Photo of Dana Sheahan

Dana Sheahan

Content Developer

Dana is an electrical engineer with a Masters in Computer Science from Georgia Tech. Her work experience includes software development for embedded systems in the Automotive Group at Motorola, where she was awarded a patent for an onboard operating system.

Photo of Luis Serrano

Luis Serrano


Luis was formerly a Machine Learning Engineer at Google. He holds a PhD in mathematics from the University of Michigan, and a Postdoctoral Fellowship at the University of Quebec at Montreal.

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Communicating with Natural Language


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4 Months

Average time to complete a Nanodegree program

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