The Audio Performance Index: Decoding the New Standard for Full-Funnel Efficiency

For years, digital audio was the industry’s missed strategic lever, a high-reach medium relegated to the "awareness" bucket. Today, that narrative is officially obsolete. If you are still treating audio as an afterthought, you are missing out on a massive full-funnel growth engine. In collaboration with Happydemics, Audion is releasing the Audio Performance Index, a definitive benchmark based on 423 brand lift studies across EMEA. The data is unequivocal: audio has evolved into a global performance engine capable of driving measurable results from the first touchpoint to the final transaction.

With 80% of the population engaged daily and an average listening time of nearly two hours, audio offers a scale that few digital channels can match. Reach is only the starting point. The real story lies in how that attention translates into business impact. The findings show that audio is now the most effective tool for capturing high-quality intent, outperforming traditional digital benchmarks in an increasingly fragmented landscape. For growth marketers, this is the ultimate playbook shift.

Moving Beyond Awareness to Pure Performance

The most striking revelation of the Index is audio’s surgical precision at the bottom of the funnel. The top-performing campaigns analyzed achieved an uplift of up to +21.6 points in purchase intent. This isn't just about being heard; it’s about moving the needle on revenue. What sets audio apart is the 10-point performance gap between standard ads and high-engagement creative execution. This substantial margin proves that audio rewards expertise more than any other medium. In a market where every euro must be optimized, the ability to leverage granular targeting and AI-driven creative is the difference between a simple impression and a converted customer. Basic audio templates now get lost. High-impact, tailored creative is non-negotiable for ROI.

A Structural Momentum Unmatched by Visual Media

While other digital channels are experiencing a plateau or decline in effectiveness, audio is on a structural upward trajectory. Between 2023 and 2025, audio was the only medium to show continuous growth in Brand Image (+2.5 points), while CTV and DOOH saw a retraction in impact. The growth in brand consideration was even more aggressive, surging by 7.8 points over the same period. This isn't a temporary trend; early 2026 data confirms that audio is capturing the headspaces and rituals of consumers in a way that visual-heavy, saturated environments simply cannot. While screen fatigue degrades traditional visual ad performance, audio thrives natively within the consumer's daily routines.

The Science of Immersive Attention

Why does audio consistently outperform? The answer lies in the unsaturated nature of the environment. Unlike the visual web, cluttered with competing banners and skipping options, audio provides a direct, immersive connection. It leverages the power of the human voice as a primary emotional driver, delivered in settings where attention is deep and continuous. By utilizing Dynamic Creative Optimization (DCO), Audion enables brands to turn this emotional connection into a scalable strategy, transforming a single message into thousands of personalized, contextually relevant touchpoints.‍

The Expert Verdict: A New Media Mix Essential

As Geoffrey Fossier - Global CMO of Audion notes, this Index provides the empirical evidence needed to accurately weave digital audio into every marketing goal. We are no longer talking about a secondary lever. Through the partnership with Happydemics, Audion has brought a unified and actionable measurement to the table, ensuring that audio is managed with the same level of comparability and ROI-focus as any other high-performance channel. The Audio Performance Index is more than a study; it is a roadmap for brands ready to unlock the full strategic potential of the digital audio revolution.

Don't miss out on your next campaign. Download the complete Audio Performance Index today to access exclusive insights from 423 EMEA brand lift studies and discover how to drive a +21.6 point boost in purchase intent.

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About Audion

Founded in 2018 by Arthur Larrey and Kamel El Hadef, Audion has established itself as the go-to partner for digital audio solutions for brands and their media agencies. With a technology-driven and AI-powered approach, Audion transforms audio into a high-performing, controllable, and measurable media lever across the entire marketing funnel.

Leveraging proprietary technologies integrated with artificial intelligence, Audion designs, activates, and optimizes results-oriented audio campaigns capable of delivering tangible outcomes - from brand awareness to business performance.

With offices in Paris, New York, London, Milan, Brussels, Amsterdam, and Hamburg, Audion brings together a team of 50 experts dedicated to helping advertisers unlock the full strategic and operational potential of digital audio.

Website: www.audion.ai