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Virtual Reverb on Cyclone IV and SPARTAN 6
Pyratone - A Virtual Analog Rack Synthesizer with a SPARTAN 3 FPGA
Pyratone II - Virtual Analog Synthesizer with a Cyclone II FPGA
Synthetic Music Frequency Generation with Real and Integer.htm
A Virtual Waldorf Microwave XT Synthesizer in a SPARTAN 3 FPGA
Virtual Analog Modelling Synthesizer in SPARTAN 3 FPGA
Virtual Organ V 2001 with a SPARTAN 3E FPGA
Virtual Organ V 2003 with a SPARTAN 3E FPGA
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An Additive Sound Synthesis Module in VHDL - JS 2006
A realtime Audio to MIDI converter for FPGAs - JS 2004
Audio DSP with FPGA - 96kHz Stereo Audio Processor System with Spartan - JS 2004
96kHz Stereo Audio DSP Project with Spartan 2 FPGA
96kHz Stereo Audio Processor System with Spartan FPGA
Audio Processor System with Spartan FPGA - Analog Board Design
Stereo Audio System with Spartan 2 FPGA - Digital Design
DSP-Board for Stereo Audio Processor with Xilinx FPGA - 2003
24 Bit 96kHz Audio MIDI Music Workstation in VHDL with Cyclone II - 2006
Soundart Chameleon : programable DSP-Architecture for audio processing
Impulse Response Reverb Algorithm in VHDL - 2006
192kHz Stereo Audio Processor System with Altera Cyclone 4 FPGA - 2008
DRUMMIX III - A Drum Computer in VHDL on a Xilinx Artix 7 FPGA - JS 2016
A Drum Computer in VHDL on a Cyclone 4 FPGA
DRUMMIX - A Drum Computer in VHDL on a Xilinx Spartan 6 FPGA - JS 2012
DRUMMIX II - A Drum Computer in VHDL on a Xilinx Spartan 6 FPGA - JS 2014
A Dynamic Room Reverb and Delay Algorithm in VHDL
24 Bit 384kHz Music Workstation with 16384 polyphonic voices music synthesizer - JS 2011
Frequency Converter in VHDL with an FPGA - 2008
Graphical Audio Output on a Cylcone 3 FPGA - 2008
Graphical Audio Equalizer in a Spartan 3 - 2008
A Digital Graphic Equalizer in a Cyclone 3 FPGA - 2009
Audio Signal Visualizer with Cylcone 4 FPGA - 2011
Audio Signal Visualizer with Spartan 6 - 2013
A Programamble Audio Signal Visualizer with FPGAs - 2016
A Guitar Distortion Algorithm in C and ASM - J.S. 2002
A Guitar Distortion Algorithm with tube modelling in VHDL for FPGAs - JS 2004
Audio Platform with Gleichmann HPE Mini Cyclone II - 2006
A Moog Filter Module in VHDL - 2005
15 channel DIY MIDI controller - 2002
15 channel MIDI controller with S/PDIF data connection - 2008
16 channel MIDI controller with 230kbps serial interface - 2004
16 channel digital MIDI controller with 230kbps serial interface - 2005
1024 step rotary encoder with optical feedback for MIDI und Audio - 2012
AudioFire - a 32 channel MIDI controller with 460 kbps serial interface - 2006
AudioFire 2 - a 72 channel MIDI controller with 460 kbps serial interface - 2007
MIDI over S/PDIF and ADAT-like musical high speed interface
Audio Workstation with FPGA - Analog Input Module - Mindprint AN/DI Studio Device
Audio Workstation with FPGA - Analog Input Module - Mindprint DI MOD
Multi Band Compressor in VHDL with Cyclone FPGA - 2005
Multi Band Compressor in VHDL with a Altera Cyclone FPGA - 2007
Multi Channel Filter Bank in VHDL - 2006
Multi Channel Filter Bank in VHDL - 2008
24 Bit 96kHz Audio MIDI Workstation in VHDL for Spartan3E FPGA - 2006
Noise Generator in VHDL with Cyclone 2 FPGA - 2005
Optimized Noise Generator in VHDL with Cyclone 2 FPGA - 2009
Real Time Pitch Shift in an FPGA - 2005
An analog electronic organ based on direct digital sound synthesis - 2001
A modular electronic organ based on programmable logical devices - 2003
High Precision Audio Filter in VHDL - 2005
Digital Real Time Pitching Module for the Audio Workstation - 2009
Digital Real Time Resampler Module for the Audio DSP Workstation - 2008
Audio Signal Resampler amd Player with with Cylcone 4 FPGA - 2011
Digital Resampler Module for the Audio DSP Workstation - 2007
Reverb and Delay Algorithm in VHDL - 2005
A scalable audio DSP platform for FPGAs in VHDL - 2009
Emulation of a MOSTEC 8051 sound chip (SID) with a PLD - 2003
Emulation of a MOSTEC 8051 sound chip (SID) with FPGA - 2006
S/PDIF interface for FPGA-based audio processor - JS 2005
Graphic Spectrum Analyzer - J.S. 2006
Graphic Spectrum Analyzer - J.S. 2008
Audio Spectrum Analyzer with Cylcone 4 FPGA - 2011
Virtual Analog Synthesizer in VHDL - 2004
A Test Signal Generator for Audio Applications in VHDL - 2008
USB-MIDI for DRUMMIX Drum Computer and Pyratone FPGA Synthesizer - JS 2016
Virtual MIDI and Audio digital mixer with GUI - 2004
Virtual MIDI and Audio digital mixer with GUI - 2004
Virtual Analog Organ V2001 with Xilinx Spartan3E FPGA - 2006
Virtual Analog Organ V2003 with Xilinx Spartan3E FPGA - 2007
Programmable Virtual Analog Organ with Xilinx Spartan3E FPGA - 2007
Wave Table Synthesis in FPGAs - 2006
A virtual wave table synthesis module in VHDL - 2008
oldpages
Silencing a Mixing Room by Echo Cancelling - J.S. 2004
The advantage of 192kHz for audio processing - J.S. 2006
The advantage of 96kHz for audio processing - J.S. 2002
Algorhythms - musical rhythms created from algorithmic sound synthesis - J.S. 2001
Real Analog sound synthesis with a digital circuit - J.S. 2005
Example of analog electrical modelling - J.S. 2003
PLD based analog sound synthesis with self oscillating circuit - J.S. 2001
Generation of true sine square triangle waves for virtual analog synthesis - J.S. 2004
Converting Audio to MIDI with a Digital Signal Processor - J.S. 2000
Resonance Absorbers in a wooden box - J.S. 2003
Comparison between 48kHz and 96kHz for audio recording J.S. 2003
Comparison between 48kHz and 384kHz for audio recording J.S. 2004
Comparison between 48kHz and 768kHz for audio synthesis - J.S. 2006
Quadratic and Cubic residue diffusers - J.S. 2005
Cubic residue diffusers - J.S. 2005
Sound Diffusor Concepts - J.S. 1999
2D - Residue Diffuser Designer - J.S. 2007
Alternating Binary Frequency Diffusers - J.S. 2007
Metal Diffuser Concepts - J.S. 2003
Mosaic Diffusor Concepts - J.S. 2002
Quadratic Residue Diffuser for multiple frequencies - J.S. 2004
Special Design of Multi Frequency Diffusers - J.S. 2005
3D - Diffusisve Wall - J.S. 2004
Alternating Prime Number Diffusers - J.S. 2006
Woodstrip Diffuser Concept - J.S. 2003
Wooden Diffusor Concepts - J.S. 2000
A digital noise generator in VHDL - J.S. 2002
Digital Audio Upsampling - J.S. 2004
Lowering Reflections in Recording Studios by Echo Cancelling - J.S. 2002
Silencing a Mixing Room by Echo Cancelling - J.S. 2004
Silencing a Mixing Room by Echo Cancelling - J.S. 2004
Enhanced MIDI protocol for higher transmission rates and lower latency - J.S 2003
Advantages of FPGAs compared to DSPs for audio processing - J.S. 2005
Advantages of FPGAs in the field of Audio Processing - J.S. 2009
A Virtual Piano in VHDL based on physical modelling synthesis - J.S. 2005
A Virtual Piano in an FPGA using physical modelling for sound synthesis - J.S. 2007
Real Time Frequency Conversion between 44,1kHz, 48kHz and 96kHz in modern audio system - J.S. 2005
Frequency shifting with sub sample time delay insertion - J.S. 2003
Smoothed Frequency Shifting with sub sample time delay insertion - J.S. 2008
Lowering Jitter in Music Recordings - J.S. 2000
A test circuit for Jitter meassurement in audio systems - J.S. 2004
A shaped digital noise generator - J.S. 2001
Issues with Sine Wave Generation in digital systems by DDS
Limitation of the current MIDI protocol - JS 1999
MIDI resolution with analog synthesizer emulation - JS 1999
The Limits of Virtual Sound Synthesis by Physical Modelling - JS 2002
MIDI 2000 - an enhanced MIDI protocol for higher transmission rates - J.S 2001
MOA - MIDI over AUIDO - Transmission of MIDI Data in Audio Channels
advanced audio technology - microphone test - 2004
Generation of high precise music frequencies using iterative integer multiplication
Optimized 2D - Residue Diffusers with statsitical scattering - J.S. 2007
PDM - Enhanced Techniques for Pulse Density Modulation
PWM - Pulse Width Modulation for one 1 Bit digital ouput
A Analog Amplifier Stage for PLDs with push pull complementary output - J.S. 2001
A Stereo Analog Audio Amplifier Circuit for PLDs and FPGAs with push pull audio output - J.S. 2003
2D - Cubic residue diffusers - J.S. 2007
Quadratic residue diffusers - J.S. 2003
Optimized Sine Wave Generation in digital systems - 2001
Examples of Sine Wave Generation in digital systems - 2002
Eamples of Sine Wave Generation in audio systems - 2005
Optimized sine wave generation in digital systems - J.S. 2004
Optimized sine wave generation in digital systems - J.S. 2004
Sound Source Localisation - J.S. 2002
Generation of optimized sine waves with direct digital synthesis - J.S. 2002
Generation of harmonic sine waves - J.S. 2002
A Concept for a 3 Way Monitor Loud Speaker Type C - J.S. 2001
A Monitor Concept for a 3 Way Loud Speaker - J.S. 2001
A Studio Monitor Concept for a 3 Way Loud Speaker - J.S. 2001
Concept for 3 Way Monitors and Loud Speakers - J.S. 2001
Mobiles Aufnahmestudio fuer Raum Frankfurt, Hanau, Darmstadt, Gelnhausen
Design of a Recording Room - J.S. 2002
Example of a Recording Studio - J.S. 1999
Example of a Recording Studio - J.S. 1999
Example of a HIFI Studio - J.S. 1999
calculation of the reflection in a recording room - J.S. 2001
simulation of the reflection in a recording room - J.S. 2002
Functionaliy of modern music synthesizers
Functionaliy of modern music synthesizers - J.S. 2000
Virtual Analog Sound Synthesis by DSP based Physical Modelling - J.S. 2002
A Virtual Analog Synthesizer in VHDL based on virtual modelling synthesis - J.S. 2004
A Virtual Analog Oscillator in VHDL - J.S. 2002
A virtual analog oscillator in a FPGA - J.S. 2004
analog oscillators replaced by digital circuits - J.S. 2002
Window Equations for low DSP-usage - J.S. 2002
A Programamble Audio Signal Visualizer with FPGAs - 2016
Dynamic virtual wave table synthesis on a Cyclone iV FPGA - 2011