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Figure 5 | EURASIP Journal on Audio, Speech, and Music Processing

Figure 5

From: An improved adaptive gain equalizer for noise reduction with low speech distortion

Figure 5

Speech distortion index for different noise characteristics and input SNR for both SBA ( dashdot ) and proposed ( solid ). Different increase rates, β k , to a higher noise level (1, 3, 6, and 9 dB/s) were used. In a, the noise consists of noise recorded in a moving car, in b the noise comes from a computer fan, in c the noise comes from a ventilation system and in d the noise is babble noise from approximately 10 speakers.

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