SNTHR=B_0x0, HGOVR=B_0x0, LFRNB=B_0x0
ADF SAD configuration register
| SNTHR | Signal to noise threshold 0 (B_0x0): THR less than sub>H less than /sub>is 3.5 dB higher than ANLVL 1 (B_0x1): THR less than sub>H less than /sub>is 6.0 dB higher than ANLVL 2 (B_0x2): THR less than sub>H less than /sub>is 9.5 dB higher than ANLVL 3 (B_0x3): THR less than sub>H less than /sub>is 12 dB higher than ANLVL 4 (B_0x4): THR less than sub>H less than /sub>is 15.6 dB higher than ANLVL 5 (B_0x5): THR less than sub>H less than /sub>is 18 dB higher than ANLVL 6 (B_0x6): THR less than sub>H less than /sub>is 21.6 dB higher than ANLVL 7 (B_0x7): THR less than sub>H less than /sub>is 24.1 dB higher than ANLVL 8 (B_0x8): THR less than sub>H less than /sub>is 27.6 dB higher than ANLVL 9 (B_0x9): THR less than sub>H less than /sub>is 30.1dB higher than ANLVL |
| ANSLP | Ambient noise slope control |
| LFRNB | Number of learning frames 0 (B_0x0): 2 frames used to compute the initial noise level 1 (B_0x1): 4 frames used to compute the initial noise level 2 (B_0x2): 8 frames used to compute the initial noise level 3 (B_0x3): 16 frames used to compute the initial noise level |
| HGOVR | Hangover time window 0 (B_0x0): SAD back to MONITOR state if sound is below threshold for 4 frames 1 (B_0x1): SAD back to MONITOR state if sound is below threshold for 8 frames 2 (B_0x2): SAD back to MONITOR state if sound is below threshold for 16 frames 3 (B_0x3): SAD back to MONITOR state if sound is below threshold for 32 frames 4 (B_0x4): SAD back to MONITOR state if sound is below threshold for 64 frames 5 (B_0x5): SAD back to MONITOR state if sound is below threshold for 128 frames 6 (B_0x6): SAD back to MONITOR state if sound is below threshold for 256 frames 7 (B_0x7): SAD back to MONITOR state if sound is below threshold for 512 frames |
| ANMIN | Minimum noise level |