Ad Infinitum

Ad Infinitum

Ad Infinitum is the award-winning podcast solely focused on audio ads - the creatives who make them and/or the latest thinking that informs them, how the space is evolving, and a round-up of recent audio ads and analysis by Stew Redwine and each episode's guest. Ad Infinitum is Presented by Oxford Road and Produced by Caitlyn Spring & Ezra Fox, MFA, written & hosted by Stew Redwine, and sound designed by John Mattaliano, with audio production by Zach Hahn.

Episodes

June 9, 2025 32 mins

Ever heard a Broadway ballad about bathroom fixtures? Or a devilish ditty about selling tires?

From the 1950s to the 1980s, America’s biggest brands—Ford, Xerox, American Standard—commissioned full-scale, professional musicals for their employees, not the public. These “industrial musicals” were staged at sales conventions, lavish one-night-only productions designed to inspire, educate, and entertain. And they worked.

In this special...

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In Season 3 Episode 7 of Ad Infinitum, Stew Redwine is joined by Antonio Coronado—aka Agent 004, aka Antoniolytics™—and together, they delve a critical point in the history of Audiolytics™ - the proprietary ad grading and devopment framework developed and used by OXFORd - the early days of human grading, and what happens when AI takes the wheel.

As the ad industry hits an inflection point—with AI tools being mandated at major platfo...

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May 15, 2025 48 mins

Why does comedy work in audio ads—and why don’t more brands take the leap?

In Season 3 Episode 6 of Ad Infinitum, Stew Redwine is joined by improv legends Wayne Brady and Jonathan Mangum, co-hosts of Wayne Brady's What If?! with Jonathan Mangum, to explore the strategic (and often hilarious) role of humor in audio advertising. They unpack the data, riff on Stew's obsession with the comedic potential for life insurance ads,...

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May 10, 2025 6 mins

In this brief bonus episode of Ad Infinitum, Stew Redwine shares a short audio story created for the Twenty Thousand Hertz “Sound Off” competition.

“The Sound of Falling” features original 1980s tape recordings of Stew’s grandfather, Herold Redwine, recounting his harrowing experience of being shot down in WWII, parachuting from a burning B-17, surviving as a prisoner of war in Stalag Luft VI, and enduring the brutal 68-da...

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April 22, 2025 51 mins

In this episode of Ad Infinitum, host Stew Redwine is joined by commercial director Jordan Brady and Amplifi Media CEO and NYU professor Steven Goldstein to confront a fast-growing threat in the world of advertising: AI Slop.

Used by Steven in a blog post earlier this year, “AI Slop” refers to the dull, generic content flooding our feeds—fueled by AI tools used without intention or craft. This episode pulls back the curtain on how t...

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In this special live episode of Ad Infinitum - brought to you by Sounds Profitable - host Stew Redwine assembles the Audio AvengersArielle Nissenblatt (Earbuds Podcast Collective, Pinwheel), Adam McNeil (Adopter Media), Amelia Coomber (Podscribe), and Paul Riismandel (Signal Hill Insights)—for an unfiltered, in-person conversation recorded at the Sounds Profitable Lounge at Podcast Movement Evolutions 2025 in Chicago.

Together, the...

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April 5, 2025 54 mins

In this episode of Ad Infinitum, host Stew Redwine is joined by Eric Molinsky—journalist, audio producer, and host of Imaginary Worlds—to explore how advertising creates universes of its own through storytelling, sound design, and the audience’s imagination.

Ads aren’t just persuasive messages—they’re narrative constructs. Just like great novels or blockbuster movies, audio ads have the power to build immersive worlds. Whether it’s ...

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March 27, 2025 54 mins

In Ad Infinitum Season 3, Episode 3 - "Sonic Justice," Stew Redwine is joined by legal entrepreneur, founder of 1-800-NOCUFFS, and audio ad icon Darren Kavinoky to explore how bold, memorable local radio spots can deliver attention, affinity, and action in a sea of sameness from many Brand (bland) advertisers.

We can all recite the jingles and often preposterous intonations and taglines of local radio advertisers. They are...

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March 1, 2025 47 mins

In this episode of Ad Infinitum, host Stew Redwine explores the evolving landscape of brand safety and suitability in audio advertising—a critical challenge as brands navigate an ever-changing media environment.

Joining the conversation is Suzanne Rico, journalist and host of The Man Who Calculated Death, a podcast that dives into her family’s history and its resonance in today’s world. Together, they unpack the nuances of brand saf...

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February 14, 2025 62 mins

Ad Infinitum S3E01 | Audio is for the Children

Episode Summary:
In the Season 3 premiere of Ad Infinitum, host Stew Redwine explores the unique dynamics of audio advertising in fiction and kids & family podcasts. Joined by Deborah Goldstein and Jeremy Westphal from Gen Z Media, this episode unpacks the persuasive power of storytelling-driven audio ads and how they influence both young listeners and the adults making purchas...

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January 31, 2025 58 mins

In the Season 2 Finale of Ad Infinitum, host Stew Redwine and guest producer Jeanna Isham explore sonic branding's evolution, impact, and future through conversations with everyone from the inventors of audio logos we all know and love to current audio alchemists helping shape the sonic strategies of blue-chip brands around the world:

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January 2, 2025 49 mins

In 2025's inaugural Ad Infinitum episode, Stew gathers an all-star panel to dissect Amazon's multi-million-dollar podcast advertising strategy. Joined by Amelia Coomber, CMO at Podscribe; Adam McNeil, SVP of Client Services at Adopter Media; Paul Riismandel, President of Signal Hill Insights; and Arielle Nissenblatt, founder of Earbuds and podcasting advocate, the group dives deep into a series of Amazon audio ads and doe...

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December 12, 2024 26 mins

In this special episode of Ad Infinitum, Stew Redwine explores the cutting-edge world of AI-driven audio advertising with Dave "Chachi" Denes, President of Benztown and host of Chachi Loves Everybody, and Masa Patterson, VP of Operations at Benztown. The trio dives into a live demonstration of Spec AI, an innovative tool that streamlines the creation of professional audio advertisements by generating scripts, selecting mu...

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November 26, 2024 49 mins

Season 2, Episode 11: "The Authors of Audio Branding."

In this episode, you'll hear from two experts who wrote the book on Audio Branding - called Audio Branding:  Colleen Fahey, U.S. Managing Director at Sixième Son, and Larry Minsky, Professor at Columbia College Chicago, and co-authors of Audio Branding: Using Sound to Build Your Brand & Voice Marketing: Harnessing the Power of Conversational AI to Dr...

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October 29, 2024 45 mins

In Ad Infinitum Season 2, Episode 10 - "Congruent Cues," Stew sits down with Chelsea Campbell, Group Creative Director at Studio Resonate, to explore the science of persuasive audio advertising.

Together, they dissect the alchemy of sound, diving into psychoacoustics, sonic branding, and how congruence in audio drives listener engagement through analysis of top spenders like Progressive, T-Mobile, and The Home De...

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September 18, 2024 42 mins

In Ad Infinitum Season 2, Episode 9 - "Simulacrum Ex Machina," Stew welcomes Oskar Serrander (Co-Founder/CEO of Wondercraft) to talk about Wondercraft's origins and recent launch, how to think in audio, and the most important audio factor: Ryan Reynolds.

Plus–breaking down ~$20M in audio ads from Magellan.ai's Top Podcast Sepnders Breakdown, including advertisers BetterHelp, Toyota, Whole Foods, and Mint Mobile (...

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September 11, 2024 30 mins

Ad Infinitum is the only podcast solely focused on audio ads - the creatives who make them and/or the latest thinking that informs them how the space is evolving - AND, usually, a round-up of recent audio ads and analysis by host Stew Redwine and each episode's guest - BUT, this episode is a little different.

This is Season 2, Episode 9 of Ad Infinitum, and this episode's title is "Sonic Truths." It discusses the...

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August 5, 2024 38 mins

In this episode, Stew Redwine and guest Kraig Kitchin discuss the power of audio and its effects on emotions, memory, and perception.

They also review and rate top radio advertisers, including Lowe's, The Home Depot, Babbel, and Progressive.

The conversation highlights the importance of relevance, entertainment, and clear messaging in audio ads.

Special thanks to Premiere Studios for providing studio...

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July 17, 2024 49 mins

In this episode,  "Audio’s Rule of Thirds", Stew Redwine's guest is Mike Jensen, CEO of Rhapsody Voices and they discuss how brands can best connect with hosts, what the ingredients of a persuasive host read ad are, and rating some recent movers and shakers in the podcast space form Magellan.ai’s May 2024 report -  MeUndies, Rakuten, IBM, and monday.com. 

Audio is replete with threes: first, there’s production: voice-...

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June 26, 2024 49 mins

Season 2 Episode 5 of Ad Infinitum is titled "Sound Business is Sound Business" and is all about B2B advertising in audio.

We discuss some of the best practices for B2B ad reads, why is audio such a good fit for B2B, particularly podcast, and then rank 4 recent B2B podcast ad spots with one of the best in the business of podcasting and B2B advertising; Hala Taha, CEO and Founder of YAP Media and host of the Young...

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