Edison Study: AI Audiobook Narration Clears Consumer Hurdle.

Audiobooks may not be top of mind for many in radio, but Infinite Dial 2026 data shows among those who listened to AM/FM in the last week, around 38% also listened to an audiobook in the last year. The connection is even stronger among podcast listeners. Edison Research says 51% of monthly podcast listeners have listened to an audiobook in the past year. New data suggests those consumers may be more receptive to AI voices than previously believed.

New research conducted by Edison Research at SSRS for AI audiobook company Spoken found listeners rated its AI-generated multi-cast narration higher than traditional single-human narration in several key measures, including engagement, favorability and perceived quality when used for character-driven fiction.

The study randomly assigned more than 1,000 U.S. fiction audiobook listeners to hear excerpts from the same sci-fi thriller, narrated either by a professional human narrator or using Spoken’s AI-powered Multi-Cast technology. Participants were not told which version they were hearing until afterward.

Spoken’s AI narration earned higher ratings for overall favorability (61% vs. 53%), perceived narration quality (66% vs. 60%), and engagement (58% vs. 49%). However, the results are not universal. For narration without multiple character voices, the human voice receives higher ratings.

The findings also suggest that exposure significantly changes attitudes toward AI narration. Before hearing any audio, only 31% of respondents said they would be willing to listen to an AI-narrated audiobook. After hearing the Spoken sample, 70% said they would be likely to listen to an audiobook narrated with the company’s technology.

The research also found many listeners couldn’t reliably distinguish between AI and human narration. Among those who heard the AI version, 61% believed it had been narrated by a human. Meanwhile, two-thirds (65%) correctly identified the human-narrated version as human.

Purchase intent was effectively unchanged as 54% said they would consider purchasing the AI-narrated audiobook compared with 56% for the human version, even after participants learned which version used AI.

“Up to now, we’d only measured consumers’ opinions on the concept of AI narration,” Edison VP Megan Lazovick says. “For the first time, we were able to measure real-time reactions to excerpts from an actual audiobook. What we found was a clear signal that quality matters, no matter how the narration is produced, and listeners are open to whatever improves their experience.”

The study also found that frequent audiobook listeners are especially interested in productions featuring different voices for individual characters. Eight in ten (81%) expressed interest in multi-cast narration, including 51% who said they were “very interested.” Researchers found improved quality, greater immersion and multiple character voices were stronger motivators than lower cost or celebrity voices.

Spoken CEO Phil Marshall says the data confirms what he’s believed about how Americans perceive AI-generated content.

“Getting lost in the story is what matters most,” Marshall says. “At the end of the day, what readers want will drive decisions in the industry. High-quality, multi-cast narration is what readers want, and a less expensive, one-click solution is what authors and publishers want.”

The findings come as audiobooks continue to expand alongside podcast listening. Edison’s Infinite Dial reports 37% of Americans age 12 and older say they listened to audiobooks in the past year. That’s roughly 107 million listeners.