ROOM ACOUSTICS, LOUDSPEAKERS, POWER AMPLIFIERS AND SPEAKER CABLES

About the Books

Room Acoustics, Studio Acoustics, Archaeoacoustics

Loudspeakers and Headphones

Power Amplifiers and EXCEL calculators

Power Cables, Interconnects and Speaker Cables

Audio Measurements

Questions & Answers and The Mathematics and Musics

Electroacoustics SELK19

Digital Audio Signal Processing SPIK03 SPIE09

Room Acoustics

Acoustical isolation

Acoustical project: Studio

Acoustical project: Studio (PDF 746 KB)

Mode calculation and RT60 in your listening room

Basics Acoustics

Short tutorial on acoustics

Dipol speakers and room acoustic

Fundamentals of Room Acoustics

DIY Tune Your Room Acoustics

DIY Tune Your Room Acoustics: APSORBER, HELMHOLTZ RESONATOR & QRD DIFFUSER (PDF 2.036KB)

Small Studio Project (PDF 1.278KB)

Sound Energy in Semireverberant Spaces and Calculation of SPL (PDF 1.278KB)

Correlation of Objective and Subjective Loudspeaker Characteristic based on Psychological Acoustics (PDF 874KB)

What is Archaeoacoustics? Archaeoacoustics in Paleolithic, Mesolithic and Neolithic (PDF 1314 KB)

New Archaeoacoustics and Archaeoastronomy Theory: Vestibule and Diocletian's Palace Part 1 (PDF 1458 KB)

New Archaeoacoustics and Archaeoastronomy Theory: Vestibule and Diocletian's Palace Part 2 (PDF 1760 KB)

New Archaeoacoustics and Archaeoastronomy Theory: Vestibule and Diocletian's Palace Part 3 (PDF 2021 KB)

***New Archaeoacoustics and Archaeoastronomy Theory: Vestibule and Diocletian's Palace - TETRARCHS

***Archaeoacoustics Gobekli Tepe - ALDEBARAN

Archaeoacoustics of Chavin de Huantar (PDF 2644 KB)

Archaeoacoustics of Puma Punku. What is Acoustic Levitation? (PDF 1261KB)

Acoustics Gol Gumbaz - any sound gets echoed 10 times (PDF 261KB)

Archaeoastronomy - Essence and Meaning of the Temple Complex in Baalbek Part I (PDF 1245KB)

Archaeoastronomy - Essence and Meaning of the Temple Complex in Baalbek Part II (PDF 1134KB)

***The Archaeoastronomy Orientation Baalbek - Winter Solstice

***The Archaeoastronomy Orientation Baalbek - May, 1st

New Archaeoastronomy Theory of Tholos Maklavun Part I - With A Short Overview on the History Development and the Mechanical Structure of the Tholos (PDF 1994KB)

New Archaeoastronomy Theory of Tholos Maklavun Part II - With A Short Overview of the Bronze Age Astronomy (PDF 1997KB)

Two-way speaker system project I (PDF 719 KB)

Two-way speaker system project II (PDF 1.084 KB)

Pressure tranducers and CD horns I (PDF 491 KB)

Pressure tranducers and CD horns II (PDF 803 KB)

Electro-Acoustical Analogies I (PDF 483 KB)

Electro-Acoustical Analogies II (PDF 209 KB)

Studio monitor

Electrostatic loudspeaker theory (PDF 478KB)

DIY electrostatic loudspeaker

Mechanical Construction of Loudspeaker Enclosures

Transmission Line, Band Pass & Isobaric Configuration

List of 500 Top-End speakers

Some Recommended Speaker Drivers with Links

Some Recommended Speaker Drivers with Links (PDF 367KB)

Speakers

Cone cavitations

Closed Box Enclosures

Analysis and Synthesis of Closed Enclosures with Measured Examples (PDF 2127 KB)

Frequency Dividing Network Calculation and Measurement (PDF 1063 KB)

The Headphones, Head amps and DSD DAC

Power Amplifiers

Power amplifiers (PDF 1044 KB)

Feedback & Feedforward

Tube Amps 1

Tube Amps 2

Capacitors and sound

PSU in Top-End

EXCEL Room Modes

EXCEL Bas Reflex

EXCEL Air Particle and Tympanic Movement

DIY Audibly Better Mains Cables

DIY Audibly Better Speaker Cables

DIY Audibly Better Interconnect Cables

Measurement of electroacoustical quantities using sigma-delta computer measurement system (PDF 1.144 KB)

Thiele-Small measurement using sigma-delta computer measurement system

Measurement and Modelling of Speaker Modulus of Impedance

Measurement and Modelling of Speaker Modulus of Impedance (PDF 1070KB)

Simple and Fast Measuring of Speakers Modulus of Impendance

Computer Measurements in Electroacoustical Engineering MLSSA, FFT

Measuring Condenser Mics

Q Factor and Frequency Bandwidth

Listening vs. Measurement

Power Amplifier Measurement

Simple explanation of Dither with MATLAB generated wav examples in Adobe Audition (PDF870KB)

zipped wav signal without dither

see article above...

zipped wav signal with dither

see article above...

Simple explanation of Delta-Sigma Modulator DSM with MATLAB example (PDF 645KB)

MATLAB Sound Signal Generations and Spectral Analysis (PDF 792KB)

Room Acoustic and Loudspeaker System - Fast check using bitperfect DAW, ASIO, DAC with Matlab generated signals (PDF 2558KB)

signal test1

see article above...

signal test2

see article above...

Preliminary: Android Smartphone/Tablet as a Measurement Tool and HD Signal Source (PDF 873KB)

List of SACD DSD HD PCM Audio Players and Free Samples

...

Audio Reproduction Using DSD to LPCM conversion Part 1. (3295 KB)

Signal 1

Signal 2

for description see article above...

DSD Audio Reproduction - Using DSD DAC and SSD disk Computer Part 2. :

Audio Reproduction Using LPCM to DSD conversion (1308KB)

practical examples PCM to DSD

a)DSD DAC Topping D30 Windows Installation: JRiver Media Center 22 and Foobar2000

DSD DAC Driver Instalation XMOS Interface

Instalation foo_input_sacd.fb2k components

Instalation ASIO foo_out_asio.fb2k component

b) DSD DAC Topping D30 Windows Installation in Foobar2000 With New SACD plug-in foo_input_sacd 1.0.2

...

Correction of speaker system and room acoustics resonances using plug-in digital filter (PDF 2325KB)

Chladni patterns, Cymatics, Matters and Human Body (PDF 1510KB)

Room Acoustics And Audio System Fast Check Using Android Tools (PDF 1986KB)

Q&A 1

Solving room acoustics problem with AcousticX, Modification of Scaan Morel speaker, Links on Acoustical Software ,...

Q&A 2

Subwoofer construction with Speakershop, T-S parameters calculation,...

Q&A 3

Hedlund horns, soft clip...

Q&A 4

DIY pre and power amp...

Q&A 5

DIY car subwofer, Controling Reinforcement, Active Amplification...

...

The Classical Music - The Best Recordings and Performances

The Classical Music Periods

Introduction and Links

The famous composers and the most influential conductors

***Graphic The Classical Music Periods

The Baroque music

Early baroque music

in single pdf

Claudio Monteverdi 1567. – 1643.

Carlo Gesualdo di Venosa 1566. –1613.

Girolamo Frescobaldi 1583. – 1643.

Middle baroque music

in single pdf

Jean-Baptiste Lully 1632. – 1687.

Tomaso Albinoni 1671. –1751.

Arcangelo Corelli 1653. – 1713.

Dieterich Buxtehude 1637. – 1707.

Henry Purcell 1659. – 1695.

Domenico Scarlatti 1685. - 1757.

Alessandro Scarlatti 1660. –1725.

Giuseppe Torelli 1658. –1709.

Late baroque music

in single pdf

Francois Couperin 1688. - 1764.

Georg Philipp Telemann 1681. – 1767.

Giuseppe Tartini 1692. – 1770.

Giovanni Battista Pergolesi 1710. - 1736.

The Best Recordings and Performances Concerti Grossi, op.6. Georg Friedrich Handel - Best Performances

Johann Sebastian Bach - The Mathematics and Musics of Goldberg Variations

Johann Sebastian Bach - Cello Suites - The Best Performances

Antonio Vivaldi - The Four Seasons - The Best Performances

The Classical music

Luigi Boccherini - The Best Recordings and Performances

Charles Burney - The Best Recordings and Performances

Joseph Haydn - Father of the Symphony and Father of the String Quartet - The Best Performances

Wolfgang Amadeus Mozart - The Mozart Effect - Sonata For Two Pianos K448

Mozart Music Influence On The Man - The Best Performances Sonata For Two Pianos K448

Wolfgang Amadeus Mozart - The Best Performances Symphony No. 40, K550

The Best Recordings And Performances Of Beethoven Symphonies

***Graphic: The period of baroque and classical music with most important composers

Romantic Period

Romantic Period

in single pdf

Franz Schubert

Hector Berlioz

Fryderyk Chopin

Giuseppe Verdi

Robert Schumann

Franz Liszt

Felix Mendelssohn

Johannes Brahms - The Best Recordings and Performances

Petar Ilić Čajkovski

Antonin Dvorak

Anton Bruckner

Georges Bizet

Richard Strauss

Richard Wagner

Edvard Grieg

Gioachino Rossini - The Best Recordings and Performances

Camille Saint-Saens - The Best Recordings and Performances

Nikolai Rimsky-Korsakov - The Best Recordings and Performances

Gabriel Faure - The Best Recordings and Performances

Gustav Mahler - The Best Recordings and Performances

Post-Romantic:

Emmanuel Chabrier - The Best Recordings and Performances

20th-century Music Part I

in single pdf

Impressionism:

Claude Debussy

Maurice Ravel

Modern:

Erik Satie

Gustav Holst

Charles Ives

Bela Bartok

Igor Stravinsky

Albert Roussel - The Best Recordings and Performances

20th-century Music Part II

in single pdf

Sergei Prokofiev

George Gershwin

Aram Khachaturian

Dmitri Shostakovich

Benjamin Britten

Frederic Mompou - The Best Recordings and Performances

Heitor Villa-Lobos - The Best Recordings and Performances

Egberto Gismonti - The syncretism of Brazil's folk tradition and the classical music

HOME

What is electroacoustics ? PDF 63KB

SACD, DVD-Audio i HDCD

English

English press reviews

English Contents

Human hearing system and phase audibility

Human hearing system and phase measurements Part I & Part II(PDF 1.006 KB)

Surround audio systems Part I - Short History Background, Basic Theory, Consumer and Professional Reproduction Practice

Surround audio systems Part II - Surround Sound Recording Practices and Acoustic of Studio, Cinema and Multimedia Room (Parts I&II PDF 3.632 KB)

Review of MPEG Audio and subjective and objective comparison of AAC, MP3, OGG i WMA codecs (PDF 355 KB)

Chronology of Audio Formats

Sound Reinforcement of Multimedia Hall and Dolby Surround Theatre

Wiring and grounding of electroacoustical equipment (Part I, II, III)

New largest studio in southeast Europe opened in Slovenia

HiFi News

Interesting audio links

PS network 220V

120 Years of Stereo Sound

Listening vs. Measurement

About the autor

Textbook and References: Electroacoustics SELK19 (PDF 657KB)

00 Wave Equation (PDF 265 KB)

01 Intro SELK19 Electroacoustics: Course Outline and Topics (PDF 9573 KB)

02 Physiological and Psychological Acoustics (PDF 5897 KB)

03 Noise and Noise Maps (PDF 5182 KB)

04 Room Acoustics (PDF 9279KB)

About RT60 measurement see also here password: zvuk

For a acoustical parameters see also here password: zvuk

05 Microphones (PDF 3863)

06 Electrodynamical Loudspeakers (PDF 4753KB)

07 Box Alignments and Filters (PDF 5969KB)

08 Power Amps (PDF 3802KB)

About sound Reinforcement see also here password: zvuk

Digital Signal Processing SPIK03 and Audio Signal Processing SPIE09: Course Outline and Topics (PDF 696KB)

Textbook and References: Digital Signal Processing SPIK03 and Audio Signal Processing SPIE09 (PDF 300 KB)

1.0. Fundamentals of Audio Signal Processing: Introduction to Audio DSP (PDF 3348KB)

1.1. Analog (continuous-time) and Digital (discrete-time) Signals and DSP. ADC and DAC, Multirate and Upsampling (PDF 7809KB)

1.2. Analysis in Time Domain and Frequency Domain (PDF 4102KB)

1.3. DSP transforms (PDF 5893KB)

1.4. Digital FIR and IIR Filter Design (PDF 7036KB)

2. High Resolution HD and Ultra High Resolution UHRA Audio Signal - Archiving, Processing and Reproduction of HD and UHRA Signals on PC (PDF 7250KB)

3. Speech Processing (PDF 4268KB)

4. Audio Data Compression (PDF 1341KB)

5. Signal Processing with Neural Networks (PDF 3.301 KB)

6. Signal Processing with Wavelets (PDF 3335KB)