Open your file in Liberty Player and follow these steps. (A diagram follows for quick reference)
Excluding unwanted channels from a Liberty DCR recording before converting.
• Open the recording in the DCR player
• Click on File – Export
• File Type – DCR
• Set the save location
• Media Format - use the original Speex,22.4 kBit/s,32.0 khz, Monto, Q6
• Selection – Entire file or select only the portion you want.
• Include data – Click on Change Inclusions
o Deselect all channels
o Select the channels you want to include.
o Deselect File notes, Notes in manual bookmarks, Private notes in manual bookmarks, and Attached files.
• Export