Every NotebookLM Audio Overview uses the same two voices: an upbeat American man and woman. You cannot swap them, give them an accent, or use your own. For a one-off listen that is fine, but it is the main reason an Audio Overview sounds like a demo instead of your show.
The way to change them is to move the audio out of NotebookLM into a tool that owns the voices. Import the Audio Overview into Jellypod, which transcribes it, splits the two speakers onto hosts you control, and hands you an editable script. From there you reassign each host to any voice you want: a British narrator, a different language, or a clone of your own voice. Same content, voices you choose.
The audience is worth the extra step. According to Edison Research's Infinite Dial 2026, 58% of Americans aged 12 and over listened to a podcast in the last month, an all-time high of about 167 million people.
Can you change the voice inside NotebookLM?
No. NotebookLM generates an Audio Overview with two preset hosts and gives you no setting to change them, no voice picker, and no script to edit. You can steer the content with a prompt, but the speakers themselves are fixed.
That is by design. NotebookLM is a research tool that produces a quick conversational summary, not a podcast studio. The voices are part of a closed pipeline, which is why "how to change voice in notebooklm" is one of the most common follow-up searches from people who just made their first overview.
To change the voices, you need a tool that treats the audio as raw material rather than a finished file. That means importing the overview somewhere you can reassign speakers and regenerate the audio.
How to change the voices in a NotebookLM podcast
The starting point is the Audio Overview you already generated. You do not re-create it, you import it and reassign the voices.
- Export the Audio OverviewDownload the audio from NotebookLM as a file. That file is all you need to carry the content over.
- Import it into JellypodUse import NotebookLM audio. Jellypod transcribes the file and separates the two speakers automatically.
- Map the speakers onto your hostsThe two stock voices become two hosts you control. Name them and set their personalities so they stay consistent across episodes.
- Pick new voicesAssign each host any voice from the voice library: a British or other accent, a different language, or your own cloned voice.
- Edit the script and regenerateTighten the dialogue, then generate the audio in the new voices. Publish to a real feed or download the file.
The whole pass takes minutes because the content is already written. You are changing the performance, not the substance.
Can you give the hosts a British or other accent?
Yes, once the audio is in a tool with a voice library. NotebookLM's two voices are locked to a single American style, but after you import the overview you can reassign either host to a voice in a different accent.
Jellypod's voice library includes British, Australian, and other regional voices, plus options across age and tone. You can make both hosts British, keep one American and one British for contrast, or mix accents to match your audience. Because each host is a separate voice, a multi-host conversation can carry two distinct accents in the same episode.
Accent is a small change with an outsized effect on how branded a show feels. A generic overview becomes recognizably yours the moment the voice stops sounding like every other Audio Overview.
Can you make a NotebookLM podcast in another language?
Partly in NotebookLM, fully once you move it. Google added multilingual Audio Overviews to NotebookLM in 2025, so it can generate audio in several languages, but you still get its preset voices and no control over the script or final performance.
If you want a specific language paired with a specific voice, the reliable path is to import the overview and regenerate it. You keep the source content, choose the output language, and pick a voice that fits, instead of accepting whatever NotebookLM assigns. That matters most for educators and teams serving multilingual audiences, where the voice and pronunciation carry as much weight as the words.
This is also the cleaner way to produce parallel versions of one episode: generate the source once, then output an English and a Spanish edition from the same script.
Can you use your own voice instead?
Yes, with voice cloning. NotebookLM has no option to add your own voice, so the only way to narrate an overview in your voice is to take the content into a tool that supports cloning.
Voice cloning creates a model of your voice from a short sample, then reads the imported script in it. You can replace one host with your clone and keep an AI co-host, or narrate the whole episode yourself.
For a creator or instructor, this is the difference between publishing a faceless summary and publishing something with your name and voice on it. The content came from your sources either way, but a cloned voice makes it unmistakably yours.
Frequently asked questions
Can I change the voice on an Audio Overview I already made?
Yes. Download the existing Audio Overview and import the file. Jellypod transcribes it, splits the two speakers, and lets you reassign each to a new voice, so you do not have to regenerate anything in NotebookLM.
Does changing the voice change the content?
No. Importing the overview gives you an editable script of the same conversation. The voices change; the words stay unless you edit them. You can leave the script alone and only swap the speakers if you want.
Can I have two different accents in one episode?
Yes. Each host is assigned its own voice, so you can pair a British host with an American one, or any other combination, in the same conversation. See creating a multi-host podcast.
Is it free to try?
Drafting and editing are free on Jellypod. You only use credits when you publish, download, or render, so you can import an overview and preview it in new voices before committing.
The short version
NotebookLM gives you two fixed American voices and no way to change them. Import the Audio Overview into a tool that owns the voices, and the same content can speak in a British accent, another language, or a clone of your own voice. Bring your NotebookLM audio into Jellypod and pick the voices yourself.
