Batch normalize audio loudness. Deliver to ATSC A/85.
Measure and adjust finished audio to −24 LKFS with Sponable’s US Broadcast / Short-Form preset. Set your loudness and peak targets, process the batch and check the output before delivery.
20 free exports · Every feature · No account.
Apple silicon · macOS 26.1+
One-time purchase · 2 Macs · Updates included

From your files to the finished delivery.
Import the finished mixes.
Prepare the files you want to deliver. Batch processing applies the chosen loudness and peak targets to the files.
Choose the delivery target.
For broadcast spots and other short-form deliveries, choose the US Broadcast / Short-Form preset for ATSC A/85 at −24 LKFS. Match the peak target to your delivery specification, or set a custom target.
Choose gain or limiting and review.
Use constant gain to keep the mix’s dynamics, or choose a limited output. If the peak ceiling prevents the loudness target being reached, the job tells you.
Broadcast delivery starts with a finished mix.
Bring your finished mix to the required delivery level. Choose constant gain to retain its dynamics, or a limited output. The job report shows whether the selected peak ceiling allows the loudness target to be reached.
Different destinations can need different targets.
Sponable offers broadcast, web, social and audio-ad presets plus a custom target. Choose the setting that matches the destination’s delivery requirements.
Read the ATSC A/85 reference for the broadcast reference.
Before your first export.
Is −24 LKFS the only setting?
Sponable offers broadcast, web, social and audio-ad presets plus a custom target. Choose the setting that matches your destination’s delivery requirements.
Why did the job not reach the target?
The peak ceiling can prevent the target being reached with the selected processing. Check the job report and the destination’s requirements before changing settings.
Can I try it with my own files?
The trial includes every feature and 20 free exports. No account required. Only successful exports count. Apple silicon, macOS 26.1 or later.
Try it on your next delivery.
Explore the feature in Sponable20 free exports · Every feature · No account.
Apple silicon · macOS 26.1+
One-time purchase · 2 Macs · Updates included
