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King of My Castle




Last modified
22 March 2017


© Elias Pekonen


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Welcome to my home page

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What's New

DX Radio Station Audio Files

DX Radio Station Audio Files

Some sample audio files of DX radio stations I have heard.

Broadcasting Radio Station QSL Card Collection

Medium Wave Radio Stations

Some of my QSL cards from the past decades. Medium Wave stations 530-1700 kHz.

Short Wave Radio Stations

Some of my QSL cards from the past decades. Short Wave stations 1800-30000 kHz.

FM Radio Stations QSL

Some of my QSL cards from the past decades. FM stations 87.5-108 MHz.

Loudspeakers and Analysis

Dipole Bass vs Monopole Bass

Dipole bass vs monopole bass in a small room. Performance analysis with wavelets.

Room Reflection Comb Filtering Perception

Analysis of perception of comb filtering caused by a room reflection using wavelet modulation domain analysis.

Stereophonic Sound from a Single Loudspeaker

Some methods of using a single loudspeaker to reproduce stereophonic sound in a small room acoustic space.

FDTD Simulations of Single Speaker Stereo

Sound field simulations of Single Speaker Stereo using FDTD numerical method.

FDTD Simulations of Stereo Speaker Configurations in Small Room

Sound field simulations of stereo speaker configurations in small room using FDTD numerical method.

2 vs 3 Speaker Stereo Listening Tests At High Frequencies

Subjective listening test results comparing conventional 2 speaker stereo and 3 speaker stereo with matrix.

New Optimal Linear Stereo Matrix for 3 speakers

Linear matrix for 3 loudspeakers preserving energy and maximising channel separation.

Wavelets

Wavelets

Wavelets for Audio Measurement Analysis

Easy Start on Wavelets

Intuitive presentation how wavelet plot is generated

Wavelet Software

Free software tools for wavelet analysis

Electronics

Alesis MultiMix 4 USB Modifications

Alesis MultiMix 4 USB is a technically challenged equipment. Simple modifications will enhance the performance dramatically.

R.I.P.

R.I.P.

Memories from the Past

How is the weather here at this hour

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At the sky

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