| ADPCM | Adaptive differential pulse code modulation |
| AMR | Adaptive multirate |
| AR | Autoregressive |
| CELP | Code-excited linear prediction |
| DPCM | Differential pulse code modulation |
| ECG | Electorcardiogram |
| EEG | Electroencephalogram |
| EVS | Enhanced voice services |
| MSPE | Mean squared prediction error |
| MMSPE | Minimum mean squared prediction error |
| MMSE | Minimum mean squared error |
| PCM | Pulse code modulation |
| SNR | Signal to noise ratio |
| SPER | Signal to prediction error ratio |
| VoIP | Voice over Internet Protocol |
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