Audio Metering

This comprehensive guide takes the reader through the complex and confusing aspects of audio metering, teaching the knowledge and skills needed to utilize optional signal levels and produce high-quality audio. Covering all aspects of this fundamental subject, this book is packed with valuable practical information.

Eddy B. Brixen is an audio consultant and lecturer based in Denmark.

Preface 1 Acoustic Sound 2 From Acoustic Sound to Electrical Signals 3 Digital Representation 4 Signal Types 5 How Large is an Audio Signal 6 The dB Concept 7 The ear, hearing, and level perception 8 Time Weighting 9 Frequency Weighting and Filters 10 Determination of Loudness 11 Characteristics of Level Meters 12 The Standard Volume Indicator (VU Meter) 13 Peak Program Meter (PPM) 14 Loudness Metering 15 Calibration of Level and Loudness Meters 16 Relationships Between Scales 17 Dynamic scales 18 Polarity and phase reading 19 Display of Level Distribution 20 Multi-Channel / Immersive Audio 21 Standards and Practices 22 Summation of Audio Signals 23 Digital interface 24 Audio over IP 25 Where to Connect a Meter 26 FFT, Fast Fourier Transformation 27 Spectrum Analyzer 28 Other Measurement Systems 29 Measurement signals 30 Sound Level Meters 31 NR, NC, PNC, RNC, and RC Curves 32 Room acoustic measures 33 Listening Tests Glossary Index