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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
Donald Trump Speech Transcript: Trump Speaks at March for Life Event

Donald Trump Speech Transcript: Trump Speaks at March for Life Event

Donald Trump became the first sitting president to speak at the annual March for Life event in Washington DC protesting abortion laws. Read the full transcript of his January 24, 2020 speech right here on Rev.

January 24, 2020
Hakeem Jeffries Impeachment Trial Opening Argument Transcript: Opening Argument at January 24 Trump Trial

Hakeem Jeffries Impeachment Trial Opening Argument Transcript: Opening Argument at January 24 Trump Trial

Representative Hakeem Jeffries spoke on the Senate floor on January 24, 2020 at the Donald Trump Impeachment Trial and delivered his opening argument. Read the full transcript right here at Rev.com.

January 24, 2020
Adam Schiff Friday Concluding Statement Transcript: Trump Impeachment Trial

Adam Schiff Friday Concluding Statement Transcript: Trump Impeachment Trial

Adam Schiff delivered a closing statement on January 24, 2020 at the Trump Impeachment Trial in the Senate. Read the full transcript of his speech right here.

January 24, 2020
Chuck Schumer Speaks Before Trump Impeachment Trial

Chuck Schumer Speaks Before Trump Impeachment Trial

U.S. Senate Minority Leader Chuck Schumer spoke before the Donald Trump impeachment trial on January 23, 2020. He reiterated the Democrats’ intention to call witnesses in the trial if they have the votes to do so. Read his full statement right here.

January 23, 2020
Impeachment Trial Day 1 Transcripts: Opening Statement Transcripts

Impeachment Trial Day 1 Transcripts: Opening Statement Transcripts

The impeachment trial of President Donald Trump began on January 21, 2020, in the US Senate. The first day consisted primarily of debates and voting on rules for the trial. Read the full transcripts of opening statements from Mitch McConnell, Chuck Schumer, and Adam Schiff.

January 22, 2020
Donald Trump Davos World Economic Forum Transcript: Trump Holds News Conference in Davos

Donald Trump Davos World Economic Forum Transcript: Trump Holds News Conference in Davos

Donald Trump held a news conference at the Davos World Economic Forum before his departure on January 22, 2020. Read the full transcript of his speech right here.

January 22, 2020

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