Chapter 6

Chapter 6 - Succeeding with Technology 4th ed > Digital...

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Unformatted text preview: Succeeding with Technology 4th ed > Digital Media for Work and Leisure > Succeeding with Technology 4th ed > Digital Media for Work and Leisure > n Digital Music and Audio n Digital Graphics n Digital Photography and Video n Interactive Media Digital Media for Work and Leisure Chapter 6 Please discontinue use of cell phone and turn off the ringer. Succeeding with Technology 4th ed > Digital Media for Work and Leisure > Digital Media encompasses digital technologies of all kinds that serve and support digital music, video, and graphics. Digital Media Succeeding with Technology 4th ed > Digital Media for Work and Leisure > Succeeding with Technology 4th ed > Digital Media for Work and Leisure > Digital Music and Audio n Key Terms ¡ Digital Audio ¡ Digital Music ¡ Digital Voice Recorder ¡ MIDI ¡ Podcast ¡ MP3 ¡ DRM ¡ Succeeding with Technology 4th ed > Digital Media for Work and Leisure > Digital Audio and Music Digital audio is any type of sound, including voice, music, and sound effects, recorded and stored digitally as a series of 1s and 0s. Digital music is a subcategory of digital audio that involves recording and storing music. Succeeding with Technology 4th ed > Digital Media for Work and Leisure > Digitizing Sound n A sound wave is sampled at predefined time intervals (sampling rate). The amplitude for each sample is stored as a binary number. Digital Music File 10010100010010 01000100100100 10110001010101 01010010010010 10010100010010 01000100100100 10110001010101 01010010010010 10010100010010 01000100100100 10110001010101 01010010010010 30 20 10-10-20-30 10 20 amplitude Milliseconds (ms) 1. An analog sound wave is…-10-20-30 30 20 10 10 20 2. “sampled” at regular time slice, and 10-18-10-20-30 30 20 10 30-10-28-4 20 12-4-10 2-1-3 4 2-10-18 20 3. stored as a sequence of numeric values… (30,-10,-28,-4,20,…) The sampling rate for audio CDs is 44,100 samples per second, whereas the sampling rate of your voice on a digital cell phone is 8000 times per second. Succeeding with Technology 4th ed > Digital Media for Work and Leisure > Digital Sound For Professionals n Digital Voice Recorders are used in many professions to capture dialogue for future reference. Used in: ¡ Journalism ¡ Science ¡ Law Enforcement ¡ Entertainment ¡ Communications ¡ Health Care Succeeding with Technology 4th ed > Digital Media for Work and Leisure > Digital Sound For Professionals n Forensic audio uses digital processing to denoise (remove nonessential sounds and audio interference), enhance, edit, and detect sounds to assist in criminal investigations. Succeeding with Technology 4th ed > Digital Media for Work and Leisure > Digital Music & Sound n Sound production studios use a wide variety of audio hardware and software to record and manipulate music and sound recordings. Succeeding with Technology 4th ed > Digital Media for Work and Leisure > MIDI n The musical instrument digital interface ( MIDI ) protocol provides a...
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This note was uploaded on 11/08/2011 for the course CGS 2060 taught by Professor Baufer during the Spring '08 term at FSU.

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Chapter 6 - Succeeding with Technology 4th ed > Digital...

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