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Edward Zechmann


24 total contributions since 2008

Research Engineer in Acoustics, Noise Control in the Construction Industry
Professional Interests: Noise Control, Power Tools

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Submitted


ISO 1999:2013
Calculates hearing threshold levels and risk of hearing impairment for ISO 1999:2013

2 years ago | 3 downloads |

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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.

2 years ago | 6 downloads |

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Impact Isolation Class
This program calculates the Impact Isolation Class (IIC) given the input LN values in dB.

2 years ago | 2 downloads |

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Utilities for Odeon HRTFs and BRIR
unity_hrtf_ascii writes a Unity omnidirectional hrtf file. read_odeon_ir2 reads an Odeon BRIR file.

2 years ago | 1 download |

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Nth Octave Frequency Bands
Calculates the 1/Nth octave center and edge frequency bands from minf to maxf.

3 years ago | 8 downloads |

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Calibrated Spectral Analysis
Simple Fourier Spectral Analysis of sound pressure time record.

3 years ago | 3 downloads |

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Random Integer Generator
This program quickly outputs n random integers in the specified range from a to b.

4 years ago | 1 download |

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Continuous Sound and Vibration Analysis
This program analyzes sound and vibrations data using metrics for continuous noise and vibrations.

4 years ago | 29 downloads |

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Air Absorption
Calculates sound absorption (attenuation) in humid air

4 years ago | 6 downloads |

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Impulsive Noise Meter
Calculates Impulsive noise metrics for hazardous acoustic noise assessment.

5 years ago | 1 download |

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Nth_Oct_Hand_Arm_&_AC_Filter_Tool_Box
Features Nth octave band, Hand Arm, and A and C weighting filters

5 years ago | 7 downloads |

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Clipping Indicator
Indicates chunks of time records that may be clipped.

7 years ago | 0 downloads |

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Parallel Curves
Generates the outer and inner parallel curves in rectangular coordinates.

7 years ago | 8 downloads |

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Sound Transmission Class STC
Program calculates Sound Transmission Class (STC) from transmission loss data.

7 years ago | 2 downloads |

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Simple acoustic horn design for amplification
Simple acoustic horn designs for exponential and catenoidal horns.

7 years ago | 13 downloads |

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Nth Octave Test Signal
Returns an Nth Octave Test Signal similar to a warble tone.

8 years ago | 3 downloads |

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Sound Power Directivity Analysis
Calculates Sound Power and Analyzes Source Directivity from Sound Pressure on spherical coordinates.

8 years ago | 5 downloads |

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Find Numbers in a String
Finds flaoting point numbers in a string including: complex, real, integers, and currency (dollars).

9 years ago | 0 downloads |

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Round to a Specified Number of Significant Digits
Rounds a numeric array to a specified number of Significant Digits.

9 years ago | 3 downloads |

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Round to Specified Digits Place
Rounds to the specified digits place and supports five different styles of rounding the last digit.

9 years ago | 1 download |

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Make Icosahedron
This program makes icosahedra of class 1, type 2, and frequency f.

9 years ago | 18 downloads |

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geospace
This program outputs a geometric sequence of n-numbers from a to b.

9 years ago | 0 downloads |

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Reverberation Time Calculator
Calculates Reverberation Time from multiple microphones using time records

9 years ago | 12 downloads |