mirror of https://github.com/thesofproject/sof.git
61 lines
1.6 KiB
Matlab
61 lines
1.6 KiB
Matlab
function bf = bf_defaults()
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% Recording array general setup
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bf.taylorwin_sidelobe = -30;
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bf.chebwin_sidelobe = 30;
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bf.taylorwin_nbar = 4;
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bf.type_filt = 'hann'; % filter
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bf.type = 'SDB'; % SDB for superdirectivem, DSB for delay and sum
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bf.fs = 16e3; % Design for 16 kHz sample rate
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bf.c = 343; % Speed of sound in 20C
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bf.steer_az = 0; % Azimuth 0 deg
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bf.steer_el = 0; % Elevation 0 deg
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bf.steer_r = 5.0; % Distance 5.0m
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bf.fir_length = 64; % 64 tap FIR filters
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bf.kaiser_beta = 10; % Beta for kaiser window method FIR design
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bf.mu_db = -40; % dB of diagonal loading to noise covariance matrix
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bf.do_plots = 1;
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bf.plot_box = 0.20; % Show 20cm wide plot cube for array geometry
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bf.array_angle = [0 0 0]; % Array rotation angles for xyz
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bf.tplg_fn = '';
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bf.sofctl_fn = '';
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bf.tplg_path = '../../topology/topology1/m4/tdfb';
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bf.sofctl_path = '../../ctl/tdfb';
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bf.data_path = './data';
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bf.endian = 'little';
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bf.fn = 1;
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bf.sinerot_a = 10^(-20/20);
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bf.sinerot_f = 2e3;
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bf.sinerot_t = 1.0;
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bf.sinerot_az_step = 5;
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bf.sinerot_az_start = -180;
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bf.sinerot_az_stop = 180;
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bf.diffuse_t = 1;
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bf.diffuse_lev = -20;
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bf.random_t = 1;
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bf.random_lev = -20;
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bf.num_output_channels = 1;
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bf.num_output_streams = 1;
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bf.input_channel_select = [];
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bf.output_channel_mix_beam_off = [];
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bf.output_channel_mix = [];
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bf.output_stream_mix = [];
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bf.num_filters = [];
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bf.angle_enum_mult = 30;
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bf.angle_enum_offs = 0;
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bf.track_doa = 0;
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bf.beam_off_defined = 1;
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bf.array = '';
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bf.mic_x = [];
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bf.mic_y = [];
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bf.mic_z = [];
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bf.mic_n = 0;
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bf.array_id = {''};
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bf.noiserot_fn = {''};
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bf.sinerot_fn = {''};
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bf.diffuse_fn = {''};
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bf.random_fn = {''};
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bf.mat_fn = {''};
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end
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