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Configuration of the Four Tested Compression Schemes.
| Compressor | Attack () | Release () | Speech detection | Estimator |
|---|---|---|---|---|
| Fast | 5 | 40 | Off | – |
| Slow | 5 | 2,000 | Off | – |
| SNR-aware | 5/5 | 40/2,000 | On | Estimated SNR |
| SNR-aware ideal | 5/5 | 40/2,000 | On | a priori SNR |
Note. SNR = signal-to-noise ratio.
