| Codec |
Name/Bezeichnung |
Bandbreite |
MOS |
Delay |
Sprachqualität
|
| G.711 |
Pulse Code Modulation (PCM) |
56 oder 64 kbit/s |
4,10 |
0,25 ms |
ISDN
|
| G.722 |
Adaptive Multi-Rate (AMR) |
48 bis 64 kBit/s |
|
|
HD
|
| G.722.2 |
Adaptive Multi-Rate Wideband (AMR-WB) |
1,75 bis 24 kBit/s |
|
|
HD
|
| G.723.1 |
Multiple Maximum Likelihood Quantization (MP-MLQ) |
5,6 - 6,3 kbit/s |
3,90 |
67,5 ms |
Gut
|
| G.723 |
Algebraic Code Excited Linear Prediction (A-CELP) |
5,3 kbit/s |
3,65 |
|
|
| G.726 |
Adaptive Differential Pulse Code Modulation (AD-PCM) |
16 - 40 kbit/s |
3,85 |
|
Mobilfunk
|
| G.728 |
Low Delay Code Excited Linear Prediction (LD-CELP) |
16 kbit/s |
3,61 |
1,25 ms |
ungefähr ISDN
|
| G.729 |
Conjugate Structure Algebraic Code Excited Linear Prediction (CSA-CELP) |
8 kbit/s |
3,92 |
25 ms |
|
| G.729A |
Conjugate Structure Algebraic Code Excited Linear Prediction (CSA-CELP) |
8 kbit/s |
3,70 |
25 ms |
besser als G.723.1
|