In this article we are going to show how to use the command button on the keyboard to learn how to zoom in and out in the audio file that you are working with. Most software programs which let you manipulate sound have some sort of buttons or commands on the key board which allow you to make a selection or enter another value. To see an example of how to zoom in/out with Audacity, an example of how to zoom in/out will be shown below. To start, create the audio file of your selected target area by choosing the shape in the toolbar and pressing your mouse inside the area to start zooming in. If you want to move your mouse outwards, then so too will you zoom out.

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To zoom in, first click inside your chosen audio track and then select " Zoom In" from the track selection menu. Notice that there is actually a tiny little arrow above the button which lets you know that you are just over a point in the audio. Use this same "Zoom In" command button to create a new point within the audio which we will call a track.

 

Now double click inside the track and then drag either your mouse pointer or the touchpad to create a selection area. This is the same selection area as used to create it - but we now just added a new point to it. Double click on this track again to bring up the Editing Menu - a drop down box should appear in the lower right hand corner of the screen which says "edit".

How To Zoom In Audacity With Flash Video

 

Here you will find a wide range of options which include things such as "position", "scale", "distortion", "gain", "loudness", "mix", "verb", " amplitude", "time" and "mix". Try experimenting with some of these and see what results you get. I have set these options so that there are always two available selections - one for normal playback and one for recording. Use the track you just created as the starting point of your recording session - you will need to select "Normal" here in order to get playback of the track.

 

There are some other buttons you will want to explore as well. The two buttons at the far right of the track menu will display an array of different effects which can be applied to the track, whilst the two at the left allow you to control the level of compression which is applied to the track. You will find useful options available such as 'lp', 'lp_alt','scale', 'depth', 'fade', 'chorus', 'vibrato' and 'distortion'. Clicking one of these will display a new control on the left hand side of the editing window - type in whatever effect you wish to apply to the track.

 

There are other useful features which can be found by clicking on the clock icon which is located at the very bottom of the screen. This will open a time selection box, allowing you to browse through the days since the last edit was made on the track. Clicking any day will highlight it, whilst clicking on the red button next to it will close the time selection box. If you prefer to use only one type of effect, you can do this by selecting "none" here. Then, you will be required to type in a name for each effect here. Once done, save all your changes by pressing the "save" button on the toolbar.

 

To edit an audio file, simply double click anywhere on the file. Your cursor will move over the first bit, when it reaches this point, a drop down menu will appear and will show a list of different options. Choose from "play", "stop", "set level", "set volume" and "reload". When you want to add another effect to the file, just click on "add effect". If you wish to remove any effects here, just click on the red "-" mark. Finally, if you need to make changes to the file, just click here.

 

Zoom In Audacity also provides a neat feature where you can actually see the video starting from the beginning of the track, even if the file doesn't have a thumbnail available. To do this, click on the "play" icon and you will be asked to start playing. Whilst playing, you will notice that the video starts from around the 50s or so minute mark. You may need to adjust the volume here, if needed.

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