AUD - Audio Formatting Module Overview
Audio Formatting Module Overview
What enjoyment would you receive from playing your favorite online game without sound? No joy at all! Audio plays an important role in web design. As a web designer, you should understand how to utilize music, speech, and other audio options to enhance the experience visitors encounter when they access a website you have constructed. In this module, you will explore the issues involved in converting sound into a format that can be played on users' computers and over their internet connections. Common sound file formats for websites will be highlighted, and you will learn how to set the size of the sound clip using the appropriate attribute.
Essential Questions
- What options can be applied to ensure that users that are hearing impaired obtain audio data on a website?
- What issues surround working with digital sound?
- How can a web designer overcome the issues?
- When should background music be used on a website?
- What elements can be applied to permit a user to control when the music is heard?
Key Terms
- Amplitude - the height of the sound wave as it relates to the sound's volume.
- Audio compression - reduces the size of a sound file by removing bits that represent extraneous noise and sounds that are beyond the frequencies of normal hearing.
- Frequency - the speed at which the sound wave moves and relates to the sound's pitch.
- Sampling rate - the number of times per second that a sound is measured during the recording process.
- Sound card - a device that contains a variety of input and output jacks as well as audio-processing circuitry.
- Speech recognition - the ability of a machine to understand spoken words.
- Speech synthesis - the process by which machines produce sound that resembles spoken words.
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