Next Chapter 3. As far as possible, the programs follow a common format in terms of assumptions, defaults and processing paradigms. The following are generally true of most speech tools programs. Arguments to functions can be specified in any order on the command line.
Most programs can take multiple input files, which by default have no preceeding argument.
Output by defgault is to standard out. The -o flag can be used to specify an output file. Often programs can read many formats of input file. Wherever possible, this is done automatically. If this can't be done, the -itype flag can be used to specify the input file format.