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Sound Synthesizer with NIOS

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

24 Bit 192kHz Audio & Music Workstation with 1024 voices polyphonc synthesizer on Cyclone III embedded kit

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

 

 

 

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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

oldpages/vasynthesizer.htm

 

Audio Signal Visualizer with Cylcone 4 FPGA - 2011

Audio Signal Visualizer with Spartan 6 - 2013