Lesson 18- Video & File extension
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A video is a series of images displayed quickly with sound. This lesson explains how video is stored on computers and lists common file extensions for sound, images, video, and text. Some key file extensions covered are MIDI, which stores musical instrument commands instead of audio signals, and MP3, WAV, JPEG, GIF, PNG, BMP, AVI, MP4, and MOV for different audio, image, and video file types.
Lesson 18- Video & File extension
- 1. Computer Science CIE-Syllabus 2210 Lesson 18 Video/File-extensions Tutor: Suraj Motee
- 2. Learning outcomes By the end of this lesson, you should be able to : a) Explain how video is stored on the computer. b) List common file extensions for sound, images, video & text.
- 3. What is a video? A series of images displayed quite fast enough with a combination of sound.
- 5. MIDI • stands for Musical Instrument Digital Interface. It is an agreed protocol from the early 80s that allows computers, digital musical instruments and other hardware to communicate musical instructions, regardless of manufacturer. • Unlike other audio formats that transmit representations of musical sounds, MIDI only stores or transmits commands about the music (the notes etc), and not audio signals.