intermediate

AI Video Transcription via Whisper and Howler.js in TS

Build a TypeScript app that transcribes audio and video files using OpenAI Whisper and Howler.js. Learn how to set up your environment, process media from sources like Google Drive or LinkedIn, integrate transcription APIs, and convert speech into accurate, structured text.

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Verified skills you'll gain

INTERMEDIATE

API Integration, Design, & Development

INTERMEDIATE

Authentication, Authorization, & Security

Tools you'll use

Express.js

Howler js

NodeJS

OpenAI

TypeScript

WhisperAPI

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Course 2

Processing and Transcribing Audio with Howler.js

3 lessons

11 practices

This unit builds a backend-controlled audio player using Howler.js for playback. The backend transcribes a segment of the selected audio file based on when the user starts and stops playback.

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Course 3

Scraping and Transcribing Remote Videos

3 lessons

13 practices

Learn how to fetch and process videos from remote sources like Google Drive or LinkedIn. This course walks you through downloading, extracting audio, and generating accurate transcriptions and summaries using the Whisper API.

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Course 4

Real-Time Audio Transcription with Web Audio API

3 lessons

12 practices

Discover how to build real-time browser-based transcription tools with the Web Audio API and Whisper. You’ll capture microphone input, process it in chunks, and use Whisper’s advanced features for segment timing, contextual cues, and multilingual transcription.

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I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need.

Faith Yim

Software Engineer

+14

It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.

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Full Stack Engineer

I'm really impressed by the AI tutor Cosmo's feedback about my code. It's honestly kind of insane to me that it's so targeted and specific.

Abbey Helterbran

Tech consultant

I tried Leetcode but it was too disorganized. CodeSignal covers all the topics I'm interested in and is way more structured.

Jonathan Miller

Senior Machine Learning Engineer

+12

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

From our community

Hear what our customers have to say about CodeSignal Learn

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need.

Faith Yim

Software Engineer

+14

It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.

Alex Bush

Full Stack Engineer

I'm really impressed by the AI tutor Cosmo's feedback about my code. It's honestly kind of insane to me that it's so targeted and specific.

Abbey Helterbran

Tech consultant

I tried Leetcode but it was too disorganized. CodeSignal covers all the topics I'm interested in and is way more structured.

Jonathan Miller

Senior Machine Learning Engineer

+12

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11