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1 .TH EDWAVE 1 "1 September 1993"
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2
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3 .SH NAME
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4 edwave \- Edit a given range of a wave.
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5
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6 .SH SYNTAX
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7 edwave [options] [filename]
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8
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9 .SH DESCRIPTION
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10 Editing operations extract or delete a given time range of a given wave,
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11 and the results are written on the stdout.
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12
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13 .SH OPTIONS
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14
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15 1. range.
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16
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17 The range option specifies the stretch of the wave for the editing operation
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18 by:
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19
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20 .nf
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21 range=a[-b]
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22 .fi
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23
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24 The upper limit `b' is optional, and when it is missing then the range
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25 is a single sample of the given type, otherwise `a' and `b' are inclusive range limits.
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26 The strings "min" and "max" are recognised as extreme limits
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27 ("min" = start of file, "max" = end of file),
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28 otherwise the values of `a' and `b' are sample numbers: 0,1,2,...
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29 Values given with time units (ms or s) are converted to samples using
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30 the given samplerate option.
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31
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32 2. operation.
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33
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34 The `operation' option sets the edit operation to either:
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35
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36 .nf
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37 operation=extract
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38 or
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39 operation=delete
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40 .fi
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41
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42 The extract operation outputs the part of the input which is inclusively
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43 within the given range.
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44 The delete operation outputs the part of the input which is NOT inclusively
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45 within the given range.
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46
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47 3. type.
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48
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49 The datatype of input and output. Known types are in the list:
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50 char, short, int, float, double, ascii. The ascii type is interpreted as one
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51 sample per line.
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52
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53 4. size.
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54
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55 Print the size of the wave on the stdout in given units.
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56 Units are seconds ("size=s"), milliseconds ("size=ms"), or samples ("size=on").
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57 Sizes in time units are calculated using the given `samplerate' option.
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58
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59 .SH "SEE ALSO"
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60 options bufwave
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61
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62 .SH COPYRIGHT
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63 .LP
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64 Copyright (c) Applied Psychology Unit, Medical Research Council, 1995
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65 .LP
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66 Permission to use, copy, modify, and distribute this software without fee
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67 is hereby granted for research purposes, provided that this copyright
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68 notice appears in all copies and in all supporting documentation, and that
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69 the software is not redistributed for any fee (except for a nominal
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70 shipping charge). Anyone wanting to incorporate all or part of this
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71 software in a commercial product must obtain a license from the Medical
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72 Research Council.
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73 .LP
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74 The MRC makes no representations about the suitability of this
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75 software for any purpose. It is provided "as is" without express or
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76 implied warranty.
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77 .LP
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78 THE MRC DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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79 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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80 THE A.P.U. BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES
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81 OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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82 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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83 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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84 SOFTWARE.
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85
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