Web Tool Offers Pre-Publish Audio Health Check Beyond LUFS for Creators

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A browser-based audio analysis tool called Creator Audio Pre-Publish Health Check has been developed to help YouTubers, podcast editors, and musicians catch technical issues before uploading content. The tool measures loudness, peak headroom, clipping, and DC offset separately, providing explicit thresholds instead of a single composite score. It uses the Web Audio API to decode uploaded files at 48 kHz and calculates an approximation of ITU-R BS.1770-style K-weighted integrated loudness. The tool compares results against platform-specific loudness targets, including -14 LUFS for YouTube and Spotify, -16 LUFS for Apple Music and podcasts, and -23 LUFS for EBU R128. Developers note that while the tool flags common problems effectively, its peak measurement does not oversample for inter-sample peaks, so a passing result does not guarantee compliance with professional true-peak meters.

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