Specifications
Table Of Contents
- Table of Contents
- List of Figures
- Chapter 1 Introduction
- Chapter 2 Getting Started
- Chapter 3 Production Environment
- Chapter 4 Equipment
- Chapter 5 Production Techniques
- Chapter 6 Preparing the Source Delivery Master
- Chapter 7 Miscellaneous Information
- Appendix A Mix and Mastering Data Sheets
5.1-Channel Production Guidelines Production Environment
3-17
3.4.2 Sound Pressure Level Meter
To properly calibrate speaker levels, an SPL meter is necessary. A suitable and
relatively inexpensive meter is readily available from Radio Shack ® (Tandy
Electronics outside of North America). Since the relative level between channels is
more important than absolute level, the accuracy of this meter is sufficient for channel
balancing. For greater accuracy, more expensive meters may be used. It is
recommended that an inexpensive meter be left in the control room for quick level
checks. Note that this meter is not generally suitable for calibrating the LFE channel.
Please refer to the subwoofer calibration section.
3.4.3 Taking a First Measurement
1. Before you turn on the Pink Noise Generator, be sure that your playback system
has been set to a moderate listening level. Adjust your amplifiers, self-powered
speakers, or mixer only.
WARNING: BEWARE THAT IF THE PLAYBACK LEVEL IS VERY HIGH,
YOU MAY RISK DAMAGING YOUR SPEAKERS OR POSSIBLY EVEN YOUR
HEARING.
2. An internal test noise generator will typically cycle pink noise automatically
between the Left, Center, Right, Right Surround, and Left Surround channels—