wing columns:</p>
<ul>
<li>
<code>index</code>: Sequential identifier number</li>
<li>
<code>original_text</code>: The text input provided by the user</li>
<li>
<code>text</code>: In case <code>original_text</code> exceeds the character limit, <code>text</code> represents the outcome of splitting <code>original_text</code>. Otherwise, <code>text</code> remains the same as <code>original_text</code>.</li>
<li>
<code>wav</code>: Wave object (S4 class)</li>
<li>
<code>file</code>: File path to the audio file</