ATSC A/85 - General TV Broadcast

This recipe facilitates the analysis and processing of audio files according to the ATSC A/85 recommendations used by general USA TV broadcasts, offering options for validation and export.

Usage:

By default, the script analyzes the specified file(s). If the file(s) fail validation and you have a registered copy of Magnetron.app, a dialog will prompt you to fix the files.

File Details:

After processing, hover over a file to view detailed information about the source and destination files.

Settings:

Clicking the wrench icon on the top right corner navigates you to the settings page, where you can adjust the following settings:

Target Settings:

• Loudness: Target loudness relative to full scale (0LU).
• Tolerance: Range within which loudness differences are not adjusted.
• Dialog Gate: Enable dialog gate to measure loudness only during dialog.

Validation Settings:

• TruePeak: Check if maximum peak level exceeds a certain value.
• TruePeak Limit: Limit for fixing peaks with a true peak limiter.
• Max-S: Check for maximum Short-Term loudness.
• Max-M: Check for maximum Momentary loudness.
• Loudness Range: Check if Loudness Range stays within specified range.

Export Settings:

• Export: Process and write files to disk. Options include:
  • 'ask': Dialog after each run.
  • 'yes': Export files without user interaction.
  • 'no': Analyze without processing.
• Overwrite: Determine behavior when encountering existing files.
• Files: Specify which files to process.
  • 'all': Process and fix invalid files, copy valid files.
  • 'fixed': Process and fix invalid files only.
• Custom Folder: Specify a custom export folder.
• Sub Folder: Specify a sub folder name for export.
• Name Tag: Add custom text to fixed file names.
• Revalidate: Choose whether to completely re-analyze files after processing.