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<small>(On OSX, control key (Ctrl) is the  Command key (&#8984;))</small>

<h4>Files</h4>
<ul>
<li>Ctrl+o : Open file(s)</li>
<li>Ctrl+w : Close the selected file(s)</li>
<li>Ctrl+r : Reload the selected file(s)</li>
<li>Ctrl+d : Duplicate the selected file(s)</li>
<li>Ctrl+s : Save the selected file(s)</li>
<li>SDIF files can be followed by a selector:<br/>&lt;filename&gt;[::[#stream][:frame][/matrix][.column]</li>
</ul>

<h4>Views: zoom and scrolling</h4>
<ul>
<li>Mouse wheel : Zoom in and out.</li>
<li>Shift + Hold right-click + Mouse move: Zoom on x,y-axis according to the mouse move, while keeping the coordinate pointed fixed.</li>
<li>Shift + Wheel : Scroll the view in the waveform and spectrogram views.</li>
<li>'s' key : Zoom on the current selection.</li>
</ul>

<h4>Selection</h4>
<ul>
<li>Hold left-click + Mouse move: Create a selection.</li>
<li>Ctrl + Hold left-click + Mouse move: Scroll the selection.</li>
<li>In Waveform view: Ctrl + Hold right-click + Mouse move: Stretch the selection from its center.</li>
<li>In Phase view or Group Delay view: Hold both Ctrl,Shift and Left-click + Mouse move: Scroll the selection of the waveform.</li>
<li>Escape key : Clear any selection.</li>
</ul>

<h4>Playback</h4>
<ul>
<li>Space : Play the current selection of the selected file (or the whole file if there is no selection).</li>
<li>Shift + Space : Play the selected file while filtering the sound according to the spectral selection.</li>
<li>Escape key : Reset any filtering effects.</li>
<li>If no selection, put the play cursor at the beginning.</li>
</ul>

<h4>Labels edition</h4>
<ul>
<li>Add a label: In Edit mode, simply place the mouse cursor at the time instant where you want to add a label and write (no need to click, select, or anything else).</li>
<li>Edit the text of a label: In Edit mode, click in the box of the label you want to edit.</li>
<li>Move a label: Drag the label you want to move by holding its vertical line with the left mouse button.</li>
<li>Move all labels: Hold Ctrl press left mouse button outside of any specific label and move mouse.</li>
<li>Delete a label: Hold the vertical line of the label you want to delete (as if you wanted to move it) and press the delete key.</li>
</ul>

<h4>Waveform edition: Gain modification and alignment, delay modification</h4>
<ul>
<li>Grab the waveform wherever and move the mouse up or down to increase or decrease the gain (works also in the amplitude spectrum view).</li>
<li>Ctrl+g on a sound file to align it to -24dB (the -24dB reference can be changed in the settings).</li>
<li>Maintain Ctrl, grab the waveform wherever and move the mouse left or right to delay the waveform.</li>
<li>Grab the phase spectrum or group-delay and move it for delaying the waveform.</li>
</ul>

<h4>Estimation</h4>
<ul>
<li>Ctrl+f on a sound file for estimating its fundamental frequency (F0). Make a selection in frequency for limiting the range of possible F0 (thus, overriding the default range sets in this setting panel).</li>
<li>Ctrl+f on a F0 file for re-estimating it. Make a time selection for limiting the update to the selection.</li>
<li>Ctrl+Shift+f force the F0 (re-)estimation disregarding any voice/unvoice decision.</li>
<li>Ctrl+v on a F0 file for extracting the voiced segments in a label file.</li>
</ul>