S
COOPY
+ S - User Manual
15
2.2.
Audio encoding and decoding
S
COOPY
+ S features a wide range of coding algorithms. Their availability depends on the transmission
network used. Besides, the MPEG family algorithms offer a great configuration flexibility.
The table below synthetically describes the capabilities with the various transmission media:
Table 3 – Available coding depending on network
The following chapters bring some precisions about the important features of the various algorithms
and protocols available.
16
24
32
48
PSTN ISDN Ethernet
3G/3G+
LTE
Voice
G711
Mono
64
GSM, AMR
Mono
-
AMR-WB
Mono
-
CELP
Mono
12 => 21,6
CELP
Mono
24
G722
Mono
64
G722-H221
Mono
64
G722-H242
Mono
64
TDAC
Mono
64
4SB ADPCM
Mono
128
4SB ADPCM
Stereo
256
MPEG L2
M / S
[1]
64
MPEG L2
M / S
[1]
128
MPEG L2
M / S
192
MPEG L2
Stereo
256
AAC-LC
M / S
16 => 56
AAC-LC
M / S
64
AAC-LC
M / S
96
AAC-LC
M / S
128
AAC-LC
M / S
192
AAC-LC
Stereo
256
HE-AAC
M / S
16 => 56
HE-AAC
M / S
64
HE-AAC
Stereo
96
HE-AAC
Stereo
128
HE-AAC v2
Stereo
16 => 56
HE-AAC v2
Stereo
64
AAC-LC
LOAS
M / S
64
HE-AAC
LOAS
M / S
64
HE-AAC v2
LOAS
M / S
64
OPUS
M / S
12 => 256
Linear L16
Mono
512 / 768
Linear L16
Stereo
1024 / 1536
Linear L20
Mono
640 / 960
Linear L20
Stereo
1280 / 1920
Linear L24
Mono
768 / 1152
Linear L24
Stereo
1536 / 2304
Possible audio bandwidth:
3 kHz
7 kHz
15 kHz
20 kHz
[1] : only for ISDN
IP networks
Codec
Audio
channels
Frequency (kHz)
Net bit rate
(kbit/s)
Wired
Mobile
Содержание Scoopy+ S
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