Light is electromagnetic radiation within a certain portion of the electromagnetic spectrum. The word usually refers to visible light, which is visible to the human eye and is responsible for the sense of sight.
You can now click the Start Recording button and start your screencast. When youâre done, you can click Stop Recording and youâll find your screencast at the file you selected. Speak into your microphone as you record the screencast and OBS will add your voice to the video file.Read Article]. The video file OBS creates is an H.264 MP4 file at the resolution of your desktop. If youâd like to edit your screencast and remove any unnecessary bits, use Avidemux to edit the video file. Itâs a simple, free, and easy-to-use tool for doing some basic video editing.
To play a sound, open the file and click on the Play button. 1  On the File menu, click Open. 2  A dialog box will appear. 3  Navigate to the folder containing the sound file you want to play, select the file and then click Open. 4  Click the play button to start playing the sound.o record your voice, hook the microphone into the audio-in jack on your computer's sound card. (see above to set the microphone record level.). 1  Make sure you have a microphone connected to your computer. 2  On the File menu, click New. 3  To begin recording, click and speak into the microphone.