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Upon completion of this course, students will be able to:
1. Utilize and apply a working vocabulary of digital audio terminology.
2. Demonstrate hands-on proficiency with a DAW at an advanced level.
3. Explain and demonstrate a variety of digital signal processing techniques.
4. Explain perceptual coding and its role in the development of the MPEG (Motion Picture Experts Group) audio standards.
5. Prepare master mixdowns for digital video, multimedia, gaming, Internet audio, podcasting, and/or digital broadcasting.
6. Explain and implement the process of mastering digital audio for compact disc and DVD.
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Lecture Topics:
I. Digital Signal Processing (DSP)
A. Fundamentals of DSP
B. Discrete systems
C. Digital filters
1. Filter applications
2. Sources of errors
D. Integrated DSP processors
E. DSP programming and applications
1. Delay
2. Reverberation
3. Loudspeaker correction
4. Noise removal
II. Sigma-Delta Conversion and Noise Shaping
A. Sigma-delta conversion, modulation, and idling patterns
B. One-bit D/A conversion with second-order noise shaping
C. Multi-bit D/A conversion with third-order noise shaping
D. Multi-bit D/A conversion with quasi fourth-order noise shaping
E. Psychoacoustically optimized noise shaping
III. Perceptual Coding
A. Psychoacoustics
B. Physiology of the human ear
C. The rationale for perceptual coding
D. Data reduction coding
E. The MPEG-1 audio standard
1. Psychoacoustic models
2. Layer I
3. Layer II
4. Layer III (MP3)
F. The MPEG-2 audio standard
G. AC-3 (Dolby Digital) coder
IV. Surround Sound
A. Fundamentals of 5.1 Surround Sound
B. Monitoring in 5.1 surround
C. Speaker placement for 5.1 surround
D. Surround interfacing
E. Surround formats
1. Dolby Pro Logic
2. 3D sound
3. SRS
4. Dolby Digital (AC3)
5. DVD-Audio
6. DTS
7. Windows Media Audio 9 (WMA9)
8. MP3 Surround
F. Mixing in surround
G. Virtual surround mixers
V. The Compact Disc (CD)
A. History and invention of the CD
B. CD overview
C. Disc specifications and data encoding
D. Mastering: the "Red Book" audio standard
E. Alternative CD formats
VI. The Digital Video Disc (DVD)
A. Physical specifications
B. Universal disc format
C. DVD-video format
D. DVD-audio format
E. Data compression
F. Meridian Lossless Packing (MLP)
VII. Internet Audio and Podcasting
A. Computer networks and file transfers
B. Internet audio
1. MP3
2. Secure Digital Music Initiative (SDMI)
C. Streaming audio
1. RealAudio G2 music codec
2. Audio webcasting
D. MPEG-4
E. Encryption and watermarking
F. Introduction to podcasting
VIII. Digital Radio and Television Broadcasting
A. Satellite operation
B. Digital audio radio
C. Eureka 147/DAB
D. In-band digital radio
E. Direct satellite radio
F. Digital television (DTV) and MPEG video
G. ATSC (Advanced Television Standards Committee) vs. NTSC (National Television Standards Committee) protocols
Laboratory Topics:
I. Advanced-Level Usage of the Digital Audio Workstation
A. Mark of the Unicorn (MOTU) Performer
B. Propellerhead Reason
II. Use of Software Plug-ins
III. Digital Signal Processing
IV. Production of a Final Mixdown
V. Mastering
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Principles of Digital Audio, 5th ed. Pohlmann, Ken C. McGraw Hill/TAB Electronics, 2005.
Audio in Media, 8th ed. Alten, Stanley R. Wadsworth, 2007.
Instructor prepared materials.