Audio Metering: Measures, Measurements, Standards, and Practice addresses the complex concepts associated with audio metering, therefore giving you the knowledge, understanding and skills necessary to utilize optional signal levels and to produce high quality audio.



The third edition addresses changes to loudness standards, the new production formats, new standards regarding cinema sound, and much more. Containing valuable information that can be applied to a wide variety of everyday tasks, this handbook is essential reading for all audio technicians and engineers.

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