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Highlights from
Continuous Sound and Vibration Analysis

• choosebox(varargin) CHOOSEBOX Two-listed item selection dialog box.
• selectdlg2( cellItems, guiTit... selectdlg2 Generate a scrolled matrix of choices for user selection.
• tableGUI(varargin) TABLEGUI - Spreadsheet like display and edition of a generic 2D array. By generic it is
• ACdsgn(Fs)
• ArgStruct=parseArgs(args,ArgS... Helper function for parsing varargin.
• [ ha_chan2, ha_axes2, ha_acce... % config_ha_accels: Configures the axis directions and channels for accelerometers measuring hand arm vibrations
• [ wb_chan2, wb_axes2, wb_acce... % config_wb_accels: Configures the axis directions and channels for accelerometers measuring whole body vibrations
• [A2, A_str, real_digitsL, rea... % m_round: Rounds an array to a specified number of significant digits or a specified digits place: significant figures, sigfigs
• [A2, A_str, real_digitsL, rea... % pow10_round: Round a numeric array to a Specified Digits Place
• [A2, A_str, real_digitsL, rea... % sd_round: Rounds an array to a specified number of Significant Digits, significant figures, digits of precision
• [Ad]=filter_attenuation(f, fc... % filter_attenuation: Nth octave band filter attenuation
• [B, A]=Nth_octdsgn(Fs, Fc, N,...
• [B, A]=hand_arm_fil(Fs) % hand_arm_fil: Calculates the hand arm vibrations filter coefficients
• [Fsn, p, q, errors]=get_p_q2(...
• [LeqA, LeqA8, LeqC, LeqC8, Le... % Leq_all_calc: Calculates levels and peaks for A, C, and linear weighting
• [SP, vibs, Fs_SP, Fs_vibs, de... % data_loader2: Loads data specified as sound or vibrations and further specified as data, time increment or sampling rate
• [SP2, mean_array2, mean1, arr... % sub_mean: Removes the running average from a time record given a sampling rate and high pass cutoff frequency.
• [SP2, mean_array2]=sub_mean(S... % sub_mean: Removes the running average from a time record given a sampling rate and high pass cutoff frequency.
• [alpha]=t_alpha(t, nu) % t_alpha: cumulative probability function of the t-distribution,
• [arms_w, arms8h_w, Dy_w, Dy_5... % Vibs_calc_hand_arm: Calculates the metrics for the hand arm vibrations
• [arms_wb, arms8h_wb, VDV_wb, ... % Vibs_calc_whole_body: Calculates the metrics for the whole body vibrations
• [buf2, num_files_not_empty]=s... % splat_cell: Returns a row vector of numbers containng all of the numbers in a cell array
• [bz, az]=bessel_digital(Fs, F... % bessel_digital: creates a digital low pass bessel filter of order n
• [comb_data_buf2]=combine_acce... % combine_accel_directions_ha: Calculates overall hand arm vibrations acceleration metrics from multiple axis accelerometers.
• [comb_data_buf2]=combine_acce... % combine_accel_directions_wb: Calculates overall whole body vibrations acceleration metrics from multiple axis accelerometers.
• [fc_out, SP_levels, SP_peak_l... % Nth_oct_time_filter2: Calculates the Nth octave center frequencies, sound levels, peak levels, and time records
• [fc_out, SP_levels, SP_peak_l... % fourier_nth_oct_time_filter: Computes fraction octave filters using ffts or hilbert transforms.
• [fid, mean_vals, max_num_chan... % print_channel_stats: Print the ststistics for each channel for the impulsive sound table
• [fid]=print_overall_stats(fid... % print_overall_stats: Print the overall statistics for the impulsive sound table
• [filename_base, ext]=file_ext... % file_extension: separates a filename and path from the file extension
• [filtercoeffs, filter_types, ... % whole_Body_Filter: Calculates the filter coefficients for whole body vibrations.
• [h, h2, wb_th_array]=plot_snd... % plot_snd_vibs(: plots sound and vibrations data in the time domain
• [interval, error]=t_confidenc... % t_confidence_interval: One or two sided confidence interval of standard error with t distribution
• [m2]=geospace(a, b, n, flag) % geospace: caculates a geometric sequence or psuedogeometric sequence from a to b with n elements
• [ndraw, count, count2, error]... % rand_int: Quckly generates n random integers from a to b integer
• [num_accels, accel_num_chan, ... % accel_config: Configures the accelerometer channels given the cell array axes_config
• [num_accels, accel_num_chan, ... % config_accels: Configures the accelerometer channels using an input dialog box.
• [num_channels_a, num_diff_cha... % table_append_channels: caculates the number of channels of data for making a table
• [num_samples_ca, s]=num_impul... % num_impulsive_samples: Counts the number of impulsive noise samples
• [nums, matches]=find_nums(str... % find_nums: Finds floating point complex, real, integer, and currency (dollars) numbers in a string
• [out]=print_data_loader_confi... % print_data_loader_configuration_table: Prints the variable configuration to a table
• [pfq]=genHyper(a,b,z,lnpfq,ix... function [pfq]=genHyper(a,b,z,lnpfq,ix,nsigfig)
• [prms]=rms_val(p, dim) % rms_val: Calculates the rms value along a specific dimension
• [ptsa, nptsa, rt_stats, other... % data_outliers: Determine the outliers and return descriptive statistics
• [res,raw]=fastmcd(data,option... version 22/12/2000, revised 19/01/2001,
• [s]=calc_diff_metrics_cont(s,... % calc_diff_metrics_cont: Calculates the differences in metrics between pairs of channels: Impulsive Noise Meter
• [snd, vibras_ha, vibras_wb, v... % Continuous_Sound_and_Vibrations_Analysis: Loads time records and timeseries, Calculates metrics for sound and vibrations (hand arm and whole body).
• [t_SP_rs, SP_rs]=resample_plo... % resample_plot: Resamples a plot to 10000 data points using the max and%min from each bin
• [t_out, T_out, error1_out, er... % inverse cumulative probability function, t-distribution
• [varargout]=convert_double(va... % This program converts the inputs into double precision arrays. Then
• [y, x, a]=match_height_and_sl... % match_height_and_slopes2: creates a quartic with specifed height and slope at the end points.
• [y2, num_settle_pts, settling... % filter_settling_data: Creates data to append to a time record for settling a filter
• [y2]=remove_filter_settling_d... % remove_filter_settling_data: removes data added to time records to settle the filter
• [yAC, errors]=ACweight_time_f... % ACweight_time_filter: Applies an A or C weighting time filter to a sound recording
• [y]=moving(x,m,fun) MOVING will compute moving averages of order n (best taken as odd)
• [y_out, b, a]=bessel_antialia... % bessel_antialias: applies an antialiasing digital Bessel filter
• [y_out, t_out, b, a]=bessel_d... % bessel_down_sample: applies an antialiasing digital Bessel filter
• [y_out, x_out, y_in]=resample... % resample_interp3: resamples using interp1 with additional options
• [yh, B, A, errors]=hand_arm_t... % hand_arm_time_fil: Calculates the hand arm vibrations filter coefficients and returns the filtered time record
• [yhw, filtercoeffs, filter_ty... % whole_body_time_filter: Calculates the whole body vibrations filter coefficients and returns the filtered time record
• [ytick_m, YTickLabel1, ytick_... % fix_YTick: Sets appropriate Y-Tick values for small plots
• channel_data_type_selection(n... % channel_data_type_selection
• fastlts(x,y,options) version 22/12/2000, revised 19/01/2001, 30/01/2003
• h=subaxis(varargin) SUBAXIS Create axes in tiled positions. (just like subplot)
• kurtosis2(x, dimension) % This program calculates the kurtosis.
• main_sound_and_vibs % Main_snd_and_vibs: Main Program for continuous sound and vibrations analysis
• make_summary_cont_stats_table... % make_summary_cont_stats_table: Makes a table of the output of the
• nth_freq_band(N, min_f, max_f... % nth_freq_band: Calculates the 1/nth octave frequency bands center, lower, and upper bandedge limits
• psuedo_box(h_array)
• rmean(y, db_or_lin) % get_stats: Calculates descriptive statistics for the input variable y.
• save_a_plot2_audiological(a, ... % save_a_plot2_audiological: Saves current figure to specified image type.
• variable_data_type_selection(... % channel_data_type_selection
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