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13.8.1 Function

  This program is a simple editor for manipulating label files. Typical examples of its use might be to merge a sequence of labels into a single composite label or to expand a set of labels into a context sensitive set. HLED works by reading in a list of editing commands from an edit script file and then makes an edited copy of one or more label files. For multiple level files, edit commands are applied to the current level which is initially the first (i.e. 1). Other levels may be edited by moving to the required level using the ML Move Level command.

Each edit command in the script file must be on a separate line. The first two-letter mnemonic on each line is the command name and the remaining letters denote labelsgif. The commands supported may be divided into two sets. Those in the first set are used to edit individual labels and they are as follows

The commands in the second set perform global operations on whole transcriptions. They are as follows.

The source and target label file formats can be defined using the -G and -P command line arguments. They can also be set using the configuration variables SOURCELABEL and TARGETLABEL. The default for both cases is the HTK format.


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