NAME

integframe - Integrate gensai frames over time or frequency.

CONTENTS

Syntax
Description
Options
Copyright

integframe [options] [file]

Read a gensai output file which must have a header.Integrate the whole of every input frame in either time or frequencyby averaging the frame across the appropriate dimension.The integration limits for particular frame sequences can be set by limitingthe size of input frames using the ‘edframe’ program prior to ‘integframe’.Write each integrated frame on the stdout as an array in the given outputdata type. The output does not have a header.

1. variable

The ‘variable’ option sets the variable of integration. The strings "time"and "frequency" are recognised, (which may be abbreviated back to the first letterif required).

2. average

When average=on then the average integrated frame is calculated over all inputframes, and this average integrated frame only is written on the stdout as anarray in the given output data type.

3. type

The output data type. Recognised types include: char, short, int, double,float, ascii. The ascii type means one number string per line of output.The input data type is binary shorts, preceded by a gensai header.

4. info

When info=on print the input frame size on the stderr.

1. Integrate the 2nd gensai frame over time from 10ms to 20ms.

    gensai output=stdout ... | edframe frame=1 time=10ms-20ms  |  integframe var=time  >  ...

2. Integrate the 2nd gensai frame over frequency from channels 5 to 8 inclusive.

    gensai output=stdout ... | edframe frame=1 freq=5-8  |  integframe var=freq  >  ...

3. Calculating the average summary gensai frame.

    gensai output=stdout ... | integframe var=freq av=on  >  ...

options edframe

Copyright (c) Applied Psychology Unit, Medical Research Council, 1995

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