AI can help you turn written text into speech, add captions to a recording and create parts of a video from a description. It can also assist with editing material you have already recorded.

These tools make it easier to try an idea, but the result still needs your attention. A voiceover must sound natural, captions must match what was said, and a video must make sense to its audience. This lesson shows you where AI can help and what to check.

Start with the kind of task you have

“Make a video” can mean several different things. You might want to:

• Turn a short script into a spoken voiceover.
• Add captions to a video you recorded.
• Remove background noise from an interview.
• Combine slides, images and narration into an explainer.
• Generate a short video clip from a written description.

These tasks call for different tools and different checks. Decide what you already have and what you need to produce before choosing an app.

Turn text into speech

A text to speech tool creates spoken audio from words you provide. You write a script, choose an available voice and listen to the result.

For a beginner’s exercise, keep the script short. Try two or three sentences that explain a familiar topic. Once you hear the recording, check whether the pace, pauses and pronunciation make it easy to follow.

A voice may sound natural overall but still mispronounce a name, place or specialist term. Changing the wording or adding punctuation can sometimes improve the result. Listen to the whole recording before sharing it.

Turn speech into text

AI can also work in the other direction by transcribing a recording. A transcript can help you find a quote, prepare notes or create captions.

Transcription is useful, but it can struggle with background noise, several people speaking at once or an unfamiliar accent or name. Check the words against the recording, particularly if you plan to publish a quotation or use the transcript to record a decision.

Captions need an additional check: they should appear at the right time and remain on screen long enough to read.

Create or edit a video

Some tools help assemble a video from your script, images, clips and narration. Others can generate a short clip from a description. Editing tools may suggest cuts, remove pauses or help adjust sound.

For a simple explainer, begin with a short script and decide what the viewer should see during each sentence. A clear sequence often works better than adding visual effects to every moment.

Preview the complete video after making changes. Check whether the visuals support the words, whether the timing feels comfortable and whether any generated scene contains an odd or misleading detail.

Write for the ear

A script that looks fine on a page may sound awkward when read aloud. Use short sentences and familiar words. Read your script out loud before giving it to a voice tool.

For example, this instruction gives the tool a useful starting point:

Create a calm, clear voiceover for this 30 second introduction. Use a natural pace and pause briefly between the main points.

You may still need to change the script. If a sentence sounds crowded, shorten it rather than trying to fix everything through voice settings.

Use people’s voices and images carefully

A generated voice or realistic video can make it appear that a person said or did something they did not. Do not imitate an identifiable person or use their likeness without appropriate permission.

If viewers could mistake a generated scene for footage of a real event, make its nature clear. For work or public content, also check that you have permission to use any scripts, music, images or recordings you include.

Try it yourself

Write a three sentence introduction to a subject you know well. Use a voice tool to create a recording, then listen without reading the script.

Ask yourself:

• Could I understand every word?
• Did any name or phrase sound wrong?
• Was the pace comfortable?
• Would a listener know what the recording was about?

Make one change and listen again. If you have access to a caption tool, create captions for a short recording and compare them with the audio. You do not need to make a complete video to learn these basic checks.

Key takeaway

AI can assist with narration, transcription, captions, editing and generated video. Choose the feature that fits your task, then review the result as a listener or viewer would.

In the next lesson, we will connect several small steps into a practical AI workflow, without needing to write code.