1
Scope
2
Normative
references
3
Definitions
and abbreviations
4
Sending
characteristics
4.1
Loudness
rating
4.2
Sensitivity/frequency
characteristics
4.3
Noise
4.4
Distortion
4.5
Discrimination
against out-of-band input signals
5
Receiving
characteristics
5.1
Loudness
rating
5.2
Sensitivity/frequency
characteristics
5.3
Noise
5.4
Distortion
5.5
Spurious
out-of-band receiving signals
6
Echo
path loss characteristics
6.1
Weighted
Terminal Coupling Loss (TCLw)
6.2
Stability
loss
7
Delay
Annex A –
Objective measurement methods for wideband hands-free telephones using the
reference codec approach
A.1
Introduction
A.2
Electrical
interface specifications
A.3
Electro-acoustic
measurement considerations
A.4
Sending
measurements
A.5
Receiving
measurements
A.6
Echo
path loss measurements
A.7
Delay
measurements