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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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Pyratone II - Virtual Analog Synthesizer with a Cyclone II FPGA
Pyratone III - Rack-VA-Synthesizer with a Cyclone IV FPGA
Programmable Virtual Analog Organ with Xilinx Spartan3E FPGA - 2007
Wave Table Synthesis in VHDL - 2006
A realtime Audio to MIDI converter for FPGAs - JS 2004
Audio DSP with FPGA - 96kHz Stereo Audio Processor System with Spartan
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
24 Bit 96kHz Audio MIDI Music Workstation in VHDL with Cyclone II
Soundart Chameleon : programable DSP-Architecture for audio processing
192kHz Stereo Audio Processor System with Altera Cyclone 4 FPGA
DRUMMIX - A Drum Computer in VHDL on a Xilinx Spartan 6 FPGA - JS 2014
A Drum Computer in VHDL on a Cyclone 4 FPGA
A Drum Computer in VHDL on a Xilinx Spartan 6 FPGA
DRUMMIX - 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
Frequency Converter in VHDL with an FPGA - 2006
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
Audio - Music - Studio - Mobile Recording - Mastering - Sound Synthesis
96kHz - advanded audio recording and production (C) 2003 - 2015
15 channel DIY MIDI controller
15 channel MIDI controller with S/PDIF data connection
16 channel MIDI controller with 230kbps serial interface
1024 step rotary encoder with optical feedback for MIDI und Audio
AudioFire - a 32 channel MIDI controller with 460 kbps serial interface
AudioFire 2 - a 72 channel MIDI controller with 460 kbps serial interface
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
24 Bit 96kHz Audio MIDI Workstation in VHDL for Spartan3E FPGA
An analog electronic organ based on direct digital sound synthesis - 2001
A modular electronic organ based on programmable logical devices - 2003
Reverb and Delay Algorithm in VHDL - 2005
A scalable audio DSP platform for FPGAs in VHDL - 2009
S/PDIF interface for FPGA-based audio processor - JS 2005
Graphic Spectrum Analyzer - J.S. 2005
Audio Spectrum Analyzer with Cylcone 4 FPGA - 2011
Virtual Analog Synthesizer in VHDL - 2004
Virtual Analog Organ with Xilinx Spartan3E FPGA - V2001
Virtual Analog Organ with Xilinx Spartan3E FPGA - V2003
Programmable Virtual Analog Organ with Xilinx Spartan3E FPGA
oldpages
Mosaic Diffusor Concepts - J.S. 2002
Mosaic Diffusor Concepts - J.S. 2002
Wooden Diffusor Concepts - J.S. 2000
A digital noise generator in VHDL - J.S. 2002
Lowering Reflections in Recording Studios by Echo Cancelling - J.S. 2002
Silencing a Mixing Room by Echo Cancelling - J.S. 2004
Enhanced MIDI protocol for higher transmission rates and lower latency
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
Issues with Sine Wave Generation in digital systems by DDS
MIDI 2000 - a enhanced MIDI protocol for higher transmission rates
The Limits of Virtual Sound Synthesis by Physical Modelling - JS 2002
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. 2001
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 - 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
Mobiles Aufnahmestudio fuer Raum Frankfurt, Hanau, Darmstadt, Gelnhausen
Design of a Recording Room - J.S. 2002
Example of a Recording 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
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
Audio Signal Visualizer with Cylcone 4 FPGA - 2011
Audio Signal Visualizer with Spartan 6 - 2013