7 string typestr="filter_spec"
11 May be given multiple times to 'pipe' the stream through
12 arbitrary many filters in an efficient way. The same filter
13 may appear more than once, order matters.
15 Filter options may be specified for each '-f' option
16 separately. Note that you will have to quote these options
19 -f 'compress --inertia 5 --damp 2'