| FMCW | Frequency-modulated continuous wave |
| FFT | Fast Fourier transform |
| MFCCs | Mel Frequency Cepstrum Coefficients |
| SVM | Support vector machine |
| HOG | Histogram of oriented gradient |
| VC | Voice conversion |
| TTS | Text-to-speech synthesis |
| CMN | Cepstral Mean Normalization |
| CDFs | Cumulative distribution functions |
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