miniDSP Ltd, Hong Kong / www.minidsp.com / Features and specifications subject to change without prior notice 20
aec_strength; /* [0..10]: Echo suppression strength */
aec_nonlin; /* [0..10]: non-linearity modeling */
aec_lecho_offset_dB;/* [-80..0]: late echo estimation offset [dB] */
aec_lecho_len_ms; /* [0..400]: late echo length time constant [ms] */
aec_force_thr_dB; /* [-80..0]: threshold below which echo removal is put to maximum */
aec_noise_thr_dB; /* [0..40]: when ERLE < aec_noise_thr, then noise echo is not cancelled */
aec_dt_thr_dB; /* [0..40]: when ERLE > aec_dt_thr in dB, then doubletalk release will be disabled */
aec_dt_release_dB; /* [0..24]: during near-end and doubletalk echo removal is released [dB] */
aec_dt_att_limit_dB;/* [-80..0]: maximum echo attenuation when ERLE < aec_dt_thr [dB] */
aec_no_adapt; /* [0, 1]: 0: aec echo path estimation on, 1: set echo path to aec_gain */
aec_init_gain_dB; /* [-60..20]: echo path initial gain (if aec_noadapt then update aec gains to aec_gain) [dB]
*/
7.1.6 AUTO GAIN CONTROL (AGC)
This setting adjusts tge microphone level to maintain the desired target. It’s handy setting to insure that a
constant level is achieved. Note that the AGC takes a bit of time to adapt to environment and train its settings.
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