BS 6840-18:1996

Committees responsible
National foreword
Introduction
1 General
1.1 Scope
1.2 Reference documents
2 Characteristics to be specified
2.1 Reference indication
2.2 Delay time
2.3 Return time
2.4 Other characteristics
3 Operating conditions
3.1 Temperature range
3.2 Supply voltage
4 Display
4.1 Display form
4.2 Display scale
4.3 Precision of indication
4.4 Peak level and indicated value
4.5 Other indications
5 Interface
Annexes
A (informative) Other characteristics
B (informative) Reading of meter indication and scale marking
     of an incremental display
C (informative) Relation between signal processing precision
     and the indicating precision
D Typical block diagram of a digital audio peak level meter
Table
C.1 Relation between signal processing precision and indicating
     precision
Figures
B.1 Reading of meter indication
B.2 Scale marking of an incremental display
D.1 Typical block diagram of a digital audio peak level meter

Recommends characteristics to be specified and methods of measurement for digital audio peak level indicators for professional and consumer use.

This technical report describes a digital audio peak level indicator for professional and consumer use to indicate the peak levels of sampled and quantized audio signals.

The purpose of this technical report is to establish a basic plan for standards development concerning the characteristics to be specified and the relevant methods of measurement for a digital audio peak level meter.