Audion, an AI-driven advertising platform specialising in digital audio, today (14th May, 2026) launches its Audio Performance Index. With research carried out by Happydemics, it is the first benchmark study to measure the effectiveness of digital audio advertising across the full funnel.

Based on 423 brand lift campaigns across EMEA, the study indicates that audio has evolved from being a brand-building channel to one that can drive measurable impact across the marketing funnel, from awareness through to purchase intent.

Key findings include:

·       Digital audio delivers a +47.2 point uplift in brand image, which is +10 points higher than display and video and +4.5 points higher than social. 

·       Brand preference increases +14.2 points with audio, reinforcing the link between brand perception and consumer consideration.

·       At the lower end of the funnel, purchase intent rises +21.6 points for top-performing campaigns.

The study also shows that audio is the only channel to deliver consistent growth between 2023 and 2025; early 2026 data confirms the continuation of this trend, indicating a lasting shift.

The results reflect the benefits specific to audio: it offers an immersive and uncluttered environment that encourages the listener to give it their full attention; it also enables ads to be contextually relevant and provides a competition-free space. And it leverages the emotional power that voice can deliver.

These advantages are reflected in industry figures. The average daily consumption of digital audio in Europe is 1 hour 47 minutes (IAB Europe Digital Audio Report), with monthly podcast listeners standing at 76 million (eMarketer / Insider Intelligence).

"Our Audio Performance Index is the first study to measure the effectiveness of digital audio across the full funnel. With several hundred campaigns analysed through Happydemics' unified methodology, our findings provide agencies and advertisers with the robust proof they need to integrate digital audio into their media plans with precision, whatever their marketing objectives," says Geoffrey Fossier, global CMO, Audion.

"Audio should no longer be seen as a secondary lever — it is a performance driver, measurable at every stage of the funnel. As a trusted third party, our role is to provide unified, actionable measurement that allows brands to optimise every euro invested. Our data proves that when audio is held to the same standards of comparability as other media, it reveals its full value in the media mix: a major impact on brand image, and a strong ability to turn intent into action," says Virginie Chesnais, CMO, Happydemics.

^Methodology

^{The Audio Performance Index is based on the analysis of 423 digital audio brand lift studies conducted between 2023 and 2025 across EMEA, including campaigns in the UK, France, Germany, Italy and the Netherlands.}

Audion

Since its creation in 2018 by Arthur Larrey and Kamel El Hadef, Audion has established itself as the leading expert in digital audio, delivering innovative advertising solutions for brands and agencies, along with monetisation technology tailored to ...

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