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A magnifying glass magnifying the word "topic" on a yellow background
Speech to Text Technology

Extract Topics from Transcribed Speech with Node.js

Rev AI's Topic Extraction API identifies the main topics in a speech transcript. Learn how to get started with our guide.

Vikram Vaswani
|
June 15, 2022
A man looks a tablet while standing in a data center
Artificial Intelligence

Rev AI Expands Its Presence in the European Union

Rev AI has launched our very first European data processing center in Frankfurt, Germany, so customers can store and process data in the US or EU.

Ajita Mishra
|
June 6, 2022
Six images in a grid pattern of microphones
Rev Spotlight

Get Started with Rev AI using PHP

To help developers integrate our APIs into their applications, we offer SDKs for Node, Java and Python. Learn more about how to use Rev AI with PHP.

Vikram Vaswani
|
May 30, 2022
An illustration of a blue speech bubble with the word "hello" in several different languages
Rev Spotlight

Transcribe Audio with Automatic Language Identification using Node.js and Rev AI Webhooks

Learn how our AI webhooks and Node.js can help you transcribe audio with automatic language identification.

Vikram Vaswani
|
May 16, 2022

Open vs. Closed Captions: What's the Difference? Why Does It Matter?

Understand open captions vs. closed captions, how each supports accessibility, and which option works best for your video content.

March 4, 2026

How to Record Audio on an iPhone in Three Different Ways

Master iPhone audio recording with our complete guide. Learn to use Voice Memos, Rev's recorder app, and online tools—plus how to get your audio transcribed.

December 18, 2025

Transcript to Trial: Leveraging Deposition Technology

Discover how firms are saving 12 hours per week and per attorney by switching to deposition technology with this whitepaper from Rev. Click to download.

November 20, 2025

Building a Speech Recognition System vs. Buying or Using an API

Pros and cons of building your own speech recognition engine or system vs using a pre built service or API that converts speech to text

November 5, 2025
Gov. Tim Walz & Mayor Jacob Frey Press Conference During 4th Night of Protests

Gov. Tim Walz & Mayor Jacob Frey Press Conference During 4th Night of Protests

On the late night/early morning of the fourth night of protests in Minneapolis and across the country, Minnesota Governor Tim Walz and Minneapolis Mayor Jacob Frey held a press conference. Full transcript here.

May 30, 2020
Rapper Killer Mike Speech Transcript During Atlanta Protests

Rapper Killer Mike Speech Transcript During Atlanta Protests

Rapper Killer Mike gave a powerful speech on the night of May 29, encouraging protestors to protect Atlanta and stay calm. Read his full speech transcript here.

May 30, 2020
Minnesota Gov. Tim Walz Press Conference Transcript: Mobilizes Full National Guard

Minnesota Gov. Tim Walz Press Conference Transcript: Mobilizes Full National Guard

After a fourth night of protests in Minneapolis, Governor Tim Walz held a May 30 press conference in which he announced he will “fully mobilize” the National Guard today, which has never happened in Minnesota. Full transcript here.

May 30, 2020
Donald Trump Speech After SpaceX NASA Launch

Donald Trump Speech After SpaceX NASA Launch

Donald Trump gave a speech after the historic SpaceX & NASA launch of the Falcon 9 flight. He also spoke briefly about the George Floyd & Minneapolis protests. Read the full speech transcript here.

May 30, 2020
Minneapolis Mayor Press Conference During Riots and Protests

Minneapolis Mayor Press Conference During Riots and Protests

On a night of riots and protests over the killing of George Floyd in Minneapolis, Mayor Frey gave a late night press conference. Read Frey’s news briefing speech transcript here.

May 29, 2020
Gov. Tim Walz Press Conference Transcript on Minneapolis Riots

Gov. Tim Walz Press Conference Transcript on Minneapolis Riots

Governor Tim Walz of Minnesota held a May 29 press conference in response to the Minneapolis riots & protests over the death of George Floyd. He addressed the riots, the George Floyd death, the CNN reporter being arrested, and other topics. Read the transcript of his statement here.

May 29, 2020

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