Sonnox Fraunhofer Codec Toolbox - Manual (Page 31)

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7.5.8 The Metadata Lock Mechanism
It is important to remember that the changes performed in the Metadata Editor are not written to
the selected file until the ‘Write to File’ button is pressed.
If a new file is selected for processing when the metadata of the previously selected file has been
edited (but not written-to-file), those changes will be lost. A pop-up window will appear in this case,
to warn the user and allow the operation to be cancelled.
Each field in the Metadata Editor can be protected to ensure that it isn’t modified during editing.
Clicking at the beginning of that field’s row, in the padlock column, will toggle a small padlock on
that row. Click and drag in the padlock column to lock or unlock multiple tags
Locked rows will retain the current tag content when clearing, reverting, or importing metadata from
other files or presets. Additionally, when changing the selected-for-processing file, that row will
keep its state. The cover art can also be locked, by clicking on the padlock icon in the lower right
corner.
When a non-encoded file is selected for processing (double-clicked), metadata info can also be
added in the Metadata Editor. The main difference with encoded files is that the ‘Write to File’
button is disabled, since this metadata cannot be written to an uncompressed PCM file. Instead,
the metadata in the section will be written to the new encoded file.
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