Digital Multimedia AUDIO

What is audio?

• the audible part of a transmitted signal

• non temporal media

Types of audio

• AIFF

• PSD

• WAV

• SOW

MIDI stands for

• Music Intermediate Device Interface

• Musical Instrument Digital Interface

• Musical Interface Digital Instrument

• Music Instrument Digital Intermediate

Waveforms unit regularity called a cycle. One cycle = ________

• Wave

• GigaHertz

• Hertz

• Signal

Two characteristics of sound waves

• Frequency

• Pitch

• Wave

• Amplitudes

Select the correct digital audio editing effects

• Fade ins and fade outs

• Splicing and assembly

• Reversing Sounds

• Time Stretching

Signal convert into binary

• DAC

• ADC

Binary comvert into voltage (signal)

• DAC

• ADC

An analogue signal is a __________________ . It can have any single value on an infinite scale

• continuous value

• discrete value

A digital signal is a ____________________________ . It has a finite value (usually an integer)

• discrete value

• continuous value