Viewspec pro manual

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Malvern makes no commitment to update the materials and services at this site. Numeric value specifying number of samples per window in the Fourier Transform. Accepts powers of 2: c , , , , Numeric value specifying window overlap in the Fourier Transform.

Specified as a percent between 0 and Character value specifying window function in the Fourier Transform. Defaults to "hanning" ; "hamming" is also implemented. List of metadata used when paging through mp3 files using mp3splt. Optional character object with which to name the spectrogram. If NULL the file name will be used if possible. An option not presented on-screen is "i" to identify the RMS amplitude in a selected portion of the spectrogram.

Seeking in wave files and wave objects is accurate to the nearest sample, but the decoding required for mp3 files is "bare bones". Users can install the software mp3splt which will allow seeking in mp3 files very similar albeit slightly less accurate to that that exists for wave files. When using mp3splt a short mp3 file the duration of each page is extracted from the clip file or object and saved to the working directory for each new page. When annotation is set to TRUE the default is to start a new annotation file, unless a csv file containing annotations is specified with the argument anno.

Annotation adds the option to annotate to the console command menu, and annotations can be made after typing "a" into the console and pressing enter. Annotation is accomplished by selecting first the upper-left corner of a bounding box around an event in the spectrogram followed by the lower-right corner; after the selection is complete the console will prompt to name the annotation.

At a minimum the first annotation must be named, but subsequent annotations will recycle the previous name if a new one is not provided. When in annotation mode the console menu is not shown; instructions for annotation are displayed instead.

To exit annotation mode right-click an appropriate number of times, and the console command menu will return. One or more annotations can be deleted by typing "d" in the console after the command menu is displayed, then bounding all annotations to delete in the same manner as if creating a new annotation. Annotations are saved when the command to exit the function is initiated "q". Occasionally unrecognized commands may cause the function to exit before annotations can be saved; to guard against losing annotations in such an event, annotations are auto-saved to a file called "TMPannotations.

Annotation is only possible in one channel per function invocation. Spectrogram colors are adjustable, and users may opt to create their own gradients for display. A few are provided with monitoR including gray. Only fields with white backgrounds can be altered. Figure Step 1 Step 2 Example showing a spectral graph. If no title is present, entering one will add one. If you remove all the characters from a title it will be deleted from the image. Depending on the size of the graph, the user can select the font size that is most readable.

When printing the graph, a font size of Medium or Small is suggested. There are occasions the graph may automatically reduce the size of the font in order to produce a higher quality image.

The Graph supports two sets of color parameters, a monochrome and a Color color set. If four or more subsets are to be included in the graph, then Monochrome with Symbols will help distinguish the different subsets. A General graph customization window. Use the Print Dialog to make changes to the selected printer, orientation, paper bin, and other printer options.

Maximize - Maximizing resizes the display to use the entire video display. The display is actually copied to a maximized dialog window.

The dialog maximized object can be closed by pressing 'Escape' or by using the mouse to Click the title bar. Making customizations to the maximized object will not effect the original non-maximized object. Figure Plot Customization window. Subsets Tab Will display the highlighted files and also adjusts how many subsets are displayed of the plotted data. The highlighted files are placed at the top of the plotted data.

A Subsets Customization window. The following table summarizes the Subsets to Graph variations. Selected Subsets Scrolling Subsets no no Display all subsets. Figure Axis Customization window. A Font Customization window. Figure Color Customization window. To adjust colors: 1 Select the desired graph attribute in the Graph Attributes section.

The corresponding color for that attribute will be highlighted in the color selection grid. As the highlighted color selection changes position, the sample image will be updated with the newly selected color.

Graph Attributes Desk Background This is the color that surrounds the bounding rectangle of the graph's grid. Desk Foreground This is the color that is used when placing text onto the Desk Background. To remove the shadows, choose the same color as the Desk Background.

Graph Foreground This is the color used for the bounding rectangles of the grid, the grid-lines of the graph, and lines that are used to bound some of the plotting methods like the bounding line around bars of the Bar Plotting Method.

Table Background This is the color used in filling the table's rectangle. Table Foreground This is the color used in bounding the table's rectangle, and for the text inside the table.

A Style Customization window. Figure 1. Format After having graphed data change the viewed format of the plotted data by using the Format menu. This is required when using the version 7 file format. Figure Format Spectral Data window. Using the format menu only changes the graphed data and does not create a processed file. The printer setup is dependent on the printer drivers installed.

Export The graphed data can be exported as a picture or data file. The type of file and picture size can be configured in the export window. A Export Spectral Data window. Figure Process pull-down menu. Applies only to FieldSpec and HandHeld.