Mercurial > hg > aimc
diff trunk/matlab/bmm/carfac/CARFAC_Init.m @ 556:910efa18d8f5
update how loop gain gets calculated, to remove dependency of AGC coeffs on IHC behavior, and speech up design by replacing iterations to convergence with DC models.
| author | dicklyon@google.com |
|---|---|
| date | Mon, 09 Apr 2012 06:15:05 +0000 |
| parents | 2964a3b4a00a |
| children | 3dff17554c6d |
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--- a/trunk/matlab/bmm/carfac/CARFAC_Init.m Sun Apr 08 19:40:13 2012 +0000 +++ b/trunk/matlab/bmm/carfac/CARFAC_Init.m Mon Apr 09 06:15:05 2012 +0000 @@ -81,13 +81,26 @@ function state = IHC_Init_State(coeffs) n_ch = coeffs.n_ch; -state = struct( ... - 'ihc_accum', zeros(n_ch, 1), ... - 'cap_voltage', coeffs.rest_cap * ones(n_ch, 1), ... - 'cap1_voltage', coeffs.rest_cap1 * ones(n_ch, 1), ... - 'cap2_voltage', coeffs.rest_cap2* ones(n_ch, 1), ... - 'lpf1_state', coeffs.rest_output * ones(n_ch, 1), ... - 'lpf2_state', coeffs.rest_output * ones(n_ch, 1) ... - ); +if coeffs.just_hwr + state = struct('ihc_accum', zeros(n_ch, 1)); +else + if coeffs.one_cap + state = struct( ... + 'ihc_accum', zeros(n_ch, 1), ... + 'cap_voltage', coeffs.rest_cap * ones(n_ch, 1), ... + 'lpf1_state', coeffs.rest_output * ones(n_ch, 1), ... + 'lpf2_state', coeffs.rest_output * ones(n_ch, 1) ... + ); + else + state = struct( ... + 'ihc_accum', zeros(n_ch, 1), ... + 'cap1_voltage', coeffs.rest_cap1 * ones(n_ch, 1), ... + 'cap2_voltage', coeffs.rest_cap2* ones(n_ch, 1), ... + 'lpf1_state', coeffs.rest_output * ones(n_ch, 1), ... + 'lpf2_state', coeffs.rest_output * ones(n_ch, 1) ... + ); + end +end - + +