The digital audio industry faces challenges in defining and standardizing metrics crucial for effective measurement and comparison with other advertising channels. At the IAB Audio Innovators Leadership Summit, the need for a formalized Request for Information (RFI) to identify relevant metrics for a guidebook was emphasized. Marketers seek comparable metrics to demonstrate the incremental value of each channel in driving campaign success. Ameneh Atai from Nielsen stressed the importance of comparability but highlighted the ambiguity regarding whether digital audio measurement should align with digital media or broadcast radio. The unique nature of audio, with its attentive audience and daily consumption hours, necessitates careful consideration in metric development. While some argue that the necessary tools and analytics exist, Atai contended that discrepancies in measurement methods across different audio media platforms pose challenges for advertisers seeking incremental reach understanding. Despite advancements in data identity, the digital audio industry is still evolving, and a consensus on metrics is crucial, especially for brand-focused investments.