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Audio Metering Measurements, Standards and Practice
Audio Metering Measurements, Standards and Practice


 
In this comprehensive guide Eddy Bøgh Brixen will take you through the complex and confusing concept of audio metering, giving you the knowledge and skills you need to utilize optional signal levels and produce high quality audio.

Covering all areas of this essential topic, Audio Metering begins with the basics- audio definitions and digital techniques, and works up to hearing and psychoacoustics. Levels in audio are defined, and the metering standards and practices are discussed, covering the existing standards abs VU and PPM, as well as the new loudness metering standards, making this the reference guide to audio metering.

This new edition includes

* Current information on loudness metering, covering existing and new standards, defining terms like LU, RLB, and LKFS

* Explanations of music sounds and structures

* An extended chapter on topics relevant to the sound engineer in the field of psychoacoustics

* More details on speech intelligibility and it's measures

* The skills needed for both small room acoustics and large auditoriums sound design without losing sound quality

* An extended glossary

Packed full of valuable information that can be applied to a wide variety of everyday tasks, this handbook is essential reading for all technicians and engineers working with acoustics, electro acoustics and audio forensics. It also provides essential information for anyone working with loudspeakers and large scale amplifiers, including sound design for theatrical and live audio set-ups.




Table of Contents:
  • Chapter 1: Acoustic Sound
  • Chapter 2: From Acoustics Sound to Electrical Signals
  • Chapter 3: Digital representation
  • Chapter 4: Signal types
  • Chapter 5: How Large is an Audio Signal?
  • Chapter 6: The db concept
  • Chapter 7: The ear, hearing, and level perception
  • Chapter 8: Time weighing
  • Chapter 9: Frequency weighting and filters
  • Chapter 10: Determination of loudness
  • Chapter 11: Characteristics of Level Meters
  • Chapter 12: The Standard Volume Indicator (VU Meter)
  • Chapter 13: Peak program meter-PPM
  • Chapter 14: Loudness Metering
  • Chapter 15: Calibration of Level Meters
  • Chapter 16: Relationships Between Scales
  • Chapter 17: Dynamic Scales
  • Chapter 18: Polarity and Phase Reading
  • Chapter 19: Display of Level Distrubution
  • Chapter 20: Multi-Channel and Surround Sound
  • Chapter 21: Standards and Practices
  • Chapter 22: Summation of Audio Signals
  • Chapter 23: Digital Interface
  • Chapter 24: Where to Connect a Meter
  • Chapter 25: Fast Fourier Transformation
  • Chapter 26: Spectrum Analyzer
  • Chapter 27: Other Measurement Systems
  • Chapter 28: Measurement Signals
  • Chapter 29: Sound Level Meters
  • Chapter 30: NR and NC Curves
  • Chapter 31: Room Acoustics Measures




Author Information:
Eddy Bøgh Brixen is an audio consultant and lecturer based in Denmark. His primary activities cover acoustics, electro acoustics and audio forensics. Eddy is a member of the AES, SMPTE, ACFEI and is recognized as a Diplomate of the American Board of Forensic Engineering. Formerly he has been affiliated with The Danish Broadcasting Corp., The Danish Acoustical Institute, DELTA, KKDK. Now he is running his own company EBB-consult. Eddy Bøgh Brixen is active in standardization work and has participated the working groups on loudness metering.


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