TUTORIAL 10 MULTIMEDIA NOTES

 

• Scroll, Slide, and Alternate are types of BEHAVIOR properties of the MARQUEE tag.
• A Java applet appears on the Web page in an area called an applet window.
• The DYNSRC property is used with the IMG tag.
• The EMBED tag is used to embed a video file into a Web page.
• The AVI format is the standard video format for Windows.
• The technique of compressing and decompressing video file formats is called a codec.
• A video file is composed of frames, each of which contains an individual image.
• By setting the LOOP property to infinite, a sound file will play continuously in the background.
• The LOOP property of the BGSOUND tag indicates the number of times a sound clip will be played in the background.
• The EMBED tag is used to embed a sound clip into a Web page.
• An embedded object is any media clip, file, program, or other object that can be run or viewed from within a Web page.
• A plug-in is an application that enables the browser to work with an embedded object.
• MIDI files cannot be used for general sound recording but are limited to synthesizers and music files.
• AU, WAVE and SND are all examples of sound file formats.
• Wave file format is the most commonly used on the Web.
• To create a sound file, you would need a computer with a sound card, speakers and a microphone, and sound editing software.
• A sampling rate of 44 KHz and sample resolution of 16-bit stereo indicates CD quality.
• Generally, you should save your files at the 16-bit resolution because the improved sound quality is worth the increased file size.
• The precision in measuring the sound within each sample is called the sample resolution.
• The sampling rate of a sound file is measured in kilohertz.
• Amplitude refers to the height of a sound wave, and it relates to the loudness of the sound.
• Increasing the sampling rate of a sound file increases the size of the sound file.
• Frequency is the speed at which a sound wave moves.
• External media or inline media can be used to add multimedia to a Web page.
• Bandwidth is the measure of the amount of data that can be sent through a communications circuit each second.