Edward Zechmann
Last seen: 2 days ago
25 total contributions since 2008Research Engineer in Acoustics, Noise Control in the Construction Industry
Professional Interests: Noise Control, Power Tools
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Awarded to Edward Zechmann on 01 Nov 2019
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Awarded to Edward Zechmann on 09 Oct 2019
Your submissions received 25 five star ratings
Awarded to Edward Zechmann on 09 Oct 2019
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Awarded to Edward Zechmann on 09 Oct 2019
Submitted
Ellipsoidal Sound Power Measurement Surface
Estimates the sound power level and sound energy level in an approximate free-field using an ellipsoidal measurement surface.
1 month ago | 3 downloads |
Submitted
Sound Power Directivity Analysis
Calculates Sound Power and Analyzes Source Directivity from Sound Pressure on spherical coordinates.
5 months ago | 10 downloads |
Submitted
Round to a Specified Number of Significant Digits
Rounds a numeric array to a specified number of Significant Digits. Supports real and complex numbers, five different kinds of ...
6 months ago | 3 downloads |
Submitted
Round to Specified Digits Place
Rounds to the specified digits place and supports five different styles of rounding the last digit, real and complex numbers, a...
6 months ago | 1 download |
Submitted
Nth Octave Frequency Bands
Calculates the 1/Nth octave center and edge frequency bands from minf to maxf.
2 years ago | 12 downloads |
Submitted
ISO 1999:2013
Calculates hearing threshold levels and risk of hearing impairment for ISO 1999:2013
5 years ago | 2 downloads |
Submitted
Fractional Octave Band and A, B, C Weighting Filters DF2T SOS IIR Matlab and limited Labview
This is a Direct Form 2 Transposed Cascaded Second Order Sections IIR implementation of Filters.
5 years ago | 7 downloads |
Submitted
Impact Isolation Class
This program calculates the Impact Isolation Class (IIC) given the input LN values in dB.
6 years ago | 2 downloads |
Submitted
Utilities for Odeon HRTFs and BRIR
unity_hrtf_ascii writes a Unity omnidirectional hrtf file. read_odeon_ir2 reads an Odeon BRIR file.
6 years ago | 1 download |
Submitted
Calibrated Spectral Analysis
Simple Fourier Spectral Analysis of sound pressure time record.
7 years ago | 3 downloads |
Submitted
Random Integer Generator
This program quickly outputs n random integers in the specified range from a to b.
7 years ago | 1 download |
Submitted
Continuous Sound and Vibration Analysis
This program analyzes sound and vibrations data using metrics for continuous noise and vibrations.
7 years ago | 17 downloads |
Submitted
Air Absorption
Calculates sound absorption (attenuation) in humid air
7 years ago | 6 downloads |
Submitted
Impulsive Noise Meter
Calculates Impulsive noise metrics for hazardous acoustic noise assessment.
8 years ago | 2 downloads |
Submitted
Nth_Oct_Hand_Arm_&_AC_Filter_Tool_Box
Features Nth octave band, Hand Arm, and A and C weighting filters
9 years ago | 10 downloads |
Submitted
Clipping Indicator
Indicates chunks of time records that may be clipped.
10 years ago | 1 download |
Submitted
Parallel Curves
Generates the outer and inner parallel curves in rectangular coordinates.
10 years ago | 10 downloads |
Submitted
Sound Transmission Class STC
Program calculates Sound Transmission Class (STC) from transmission loss data.
10 years ago | 6 downloads |
Submitted
Simple acoustic horn design for amplification
Simple acoustic horn designs for exponential and catenoidal horns.
11 years ago | 7 downloads |
Submitted
Nth Octave Test Signal
Returns an Nth Octave Test Signal similar to a warble tone.
11 years ago | 1 download |
Submitted
Make Icosahedron
This program makes icosahedra of class 1, type 2, and frequency f.
12 years ago | 5 downloads |
Submitted
Reverberation Time Calculator
Calculates Reverberation Time from multiple microphones using time records
12 years ago | 10 downloads |
Submitted
Find Numbers in a String
Finds flaoting point numbers in a string including: complex, real, integers, and currency (dollars).
12 years ago | 2 downloads |
Submitted
geospace
This program outputs a geometric sequence of n-numbers from a to b.
13 years ago | 1 download |
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