PitchTech

The PitchTech research project aims in providing high quality audio transformations implemented in Java.

Overview of the project
Software
Scientific publications
Audio and music examples
Links
Contact


Overview of the project

The aim of the PitchTech project is to provide high quality audio effects implemented in Java. The research aspects are the following:

Audio effects will be available as VST and LADSPA plugins, so that they can be used in existing audio editing/processing software.


Software

Scientific publications

N. Juillerat, S. Schubiger-Banz, S. M. Arisona, Real-time, Low Latency Audio Processing in Java , International Computer Music Conference, ICMC 2007, pp. 99 - 102, 2007.

N. Juillerat, S. Schubiger-Banz, S. M. Arisona, Low Latency Audio Pitch Shifting in the Time Domain , IEEE International Conference on Audio, Language and Image Processing, ICALIP 2008, pp. 29 - 35, 2008. (Companion page)

N. Juillerat, S. Schubiger-Banz, S. M. Arisona, Enhancing the Quality of Audio Transformations Using the Multi-Scale Short-Time Fourier Transform , IASTED International Conference on Signal Processing, IASTED SIP 2008. (Companion page)

N. Juillerat, S. Schubiger-Banz, S. M. Arisona, A Hybrid Time and Frequency Domain Audio Pitch Shifting Algorithm , 125th Audio Engineering Society Convention, AES 125th, 2008. (Companion page)

N. Juillerat, B. Hirsbrunner, Low Latency Audio Pitch Shifting in the Frequency Domain , IEEE International Conference on Audio, Language and Image Processing, ICALIP 2010, 2010. (Companion page)


Links

The DFT " Pied": basics about the DFT and its use in audio transformations.
Pitch Shifting with the Fourier Transform: detailed explanation of the pitch shifting audio effect using the phase vocoder.
Java Sound Programmer Guide: documentation of the Java sound API.
Other related projects at Corebounce.

Contact

(English or French)