DubCheck

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DubCheck checks audio files against the delivery specifications that streaming platforms and broadcasters actually enforce. You select a target (ACX, Audible, Spotify, Apple Podcasts, Netflix NOLS, EBU R128, ATSC A/85 and others), drop in a file, and get a pass/fail result with the exact metric that failed and where in the file it occurred. The loudness measurement engine implements ITU-R BS.1770 and is certified against the EBU 3341 and 3342 test suites. Results export as a signed PDF report. All processing runs locally on the machine, no files are uploaded. DubCheck runs on macOS, one-time license, 7-day free trial