Bars & Tone

It is common for media files to have a section of bars and tone at the beginning. Clearly if there is a tone, it needs to be at the correct amplitude. Therefore when Eff works with files with a section of tone, you can apply a measurement window to exclude this portion from measurement and correction. This means that the active audio portion of the file is measured and corrected, but the line-up tone remains at the exact level it was created at, and you can be confident that the measurements reported by Eff were not distorted by the presence of the line-up tone.

 

The easiest way to do this is to use the automatic tone detection setting, which analyses the file looking for the bars and tone region, then automatically excludes this from the measurement and correction.
 
Alternatively you can define a region either in time from the start of the file, or by timecode, then analysis and correction will start from your selected point.
 

 
Select one of the following for more information:-

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