Recommendation
A
.
21
Vii
.
3
-
rec.
A
.
21
Collaboration
With
Other
Recommendation
A
.
22
Vii
.
3
-
rec.
A
.
22
Collaboration
With
Other
Recommendation
P
.
10
V
-
rec.
P
.
10
Vocabulary
Of
Terms
On
Telephone
02
.
01
Y
-
ratio
F
:
rapport
Y
02
.
Telephone
set
components
04
.
01
telephone
set
;
telephone
instrument
F
:
poste
telephonique
:
appareil
telephonique
04
.
02
telephone
station
04
.
03
loudspeaking
(
telephone
)
set
04
.
04
hands
free
(
telephone
)
set
04
.
05
group
-
audio
terminals
04
.
Telephone
set
types
05
.
01
acoustic
shock
suppressor
(
in
telephony
)
F
:
anti
-
choc
05
.
Telephone
set
accessories
13
.
01
private
(
telephone
)
installation
F
:
installation
(
telephonique
)
interieure
13
.
Private
telephone
systems
21
.
01
call
attempt
(
by
a
user
)
F
:
(
tentative
d
21
.
02
connection
21
.
03
(
complete
)
connection
21
.
04
call
21
.
Telephone
calls
description
31
.
01
local
line
network
F
:
reseau
local
de
lignes
(
telephoniques
)
31
.
02
subscriber
'
s
(
telephone
)
line
;
subscriber
loop
(
in
31
.
03
local
(
telephone
)
system
;
local
(
telephone
)
circuit
31
.
04
subscriber
system
(
in
transmission
planning
)
31
.
Local
line
networks
32
.
01
acoustic
hood
F
:
abri
telephonique
;
abriphone
32
.
02
telephone
booth
32
.
03
telephone
stall
32
.
Telephone
station
usage
41
.
01
acoustic
shock
(
in
telephony
)
F
:
choc
acoustique
(
en
41
.
02
opinion
score
(
in
telephony
)
41
.
Transmission
performance
42
.
01
acoustic
coupler
(
in
telephonometry
)
F
:
coupleur
acoustique
(
en
42
.
02
artificial
ear
42
.
03
artificial
mouth
42
.
04
artificial
voice
42
.
05
artificial
voice
42
.
06
electrical
artificial
voice
42
.
07
acoustic
artificial
voice
42
.
08
artificial
mouth
excitation
signal
42
.
09
head
and
torso
simulator
(
Hats
)
42
.
Measuring
apparatus
43
.
01
reference
equivalent
F
:
equivalent
de
reference
43
.
02
corrected
reference
equivalents
43
.
03
loudness
rating
43
.
04
r25
equivalent
43
.
05
planning
equivalent
43
.
06
band
sensation
level
43
.
07
earcap
reference
plane
43
.
08
earcap
reference
point
(
Ecrp
)
43
.
09
ear
reference
point
(
Erp
)
43
.
10
earphone
coupling
loss
(
Le
)
43
.
11
Sm
(
Delsm
)
43
.
12
Sm
(
DELSm
)
43
.
13
lip
plane
43
.
14
lip
ring
43
.
15
guard
-
ring
43
.
16
metre
air
path
43
.
17
modal
distance
43
.
18
modal
gauge
43
.
19
modal
position
43
.
20
mouth
reference
point
(
Mrp
)
43
.
21
zero
sidetone
line
impedance
(
zs0
)
43
.
22
occlusion
effect
43
.
23
obstacle
effect
(
obstruction
effect
)
43
.
24
sidetone
path
43
.
25
sidetone
path
loss
43
.
26
listener
sidetone
rating
(
Lstr
)
43
.
27
sidetone
balance
network
43
.
28
sidetone
masking
rating
(
Stmr
)
43
.
29
speech
volume
penalty
43
.
30
talking
resistance
43
.
31
virtual
source
position
43
.
32
virtual
source
function
43
.
33
orthotelephonic
reference
condition
43
.
34
orthotelephonic
acoustic
reference
gain
43
.
35
total
electroacoustic
gain
43
.
36
insertion
gain
(
orthotelephonically
referred
gain
)
43
.
Telephonometry
44
.
01
active
time
F
:
duree
d
'
activite
44
.
02
active
speech
level
44
.
03
activity
factor
44
.
04
volume
or
speech
volume
44
.
05
speech
level
44
.
Speech
level
measurements
Recommendation
P
.
11
V
-
rec.
P
.
11
ex
"
"
Effect
Of
2
.
1
General
§
2
describes
invididually
a
number
of
the
transmission
impairments
which
2
.
10
ex
"
"
Listener
echo
2
.
11
ex
"
"
Nonlinear
distortion
2
.
12
ex
"
"
Quantizing
distortion
2
.
13
ex
"
"
Phase
jitter
2
.
14
ex
"
"
Intelligible
crosstalk
2
.
2
.
1
Customer
opinion
2
.
2
.
2
Recommended
values
of
loudness
rating
2
.
2
ex
"
"
Loudness
loss
2
.
3
.
1
Opinion
results
2
.
3
.
2
ex
"
"
Recommended
values
of
circuit
noise
2
.
3
ex
"
"
Circuit
noise
2
.
4
.
1
Recommended
values
of
sidetone
loss
2
.
4
ex
"
"
Sidetone