Synchronized Swept-Sine: Theory, Application, and Implementation - October 2015
Effect of Microphone Number and Positioning on the Average of Frequency Responses in Cinema Calibration - October 2015
The Measurement and Calibration of Sound Reproducing Systems - July 2015
Modeling Piano Tones with Group Synthesis
Most synthesizers and sound cards use sampling to synthesize the piano. Sampling requires a lot of memory and does not allow much flexibility, unlike methods such as wavetable synthesis. However, wavetable synthesis usually assumes that the original tone is harmonic, and the piano's stretched partials make it difficult to model. It is shown how to simulate piano tones using group synthesis, a special case of wavetable synthesis. The synthesis model uses nearly contiguous groups selected by a genetic algorithm, and independent frequency deviations for each group to simulate partial stretching. The model reduces the amount of data by about 50% compared to additive synthesis, while preserving the perceptual identity of the sound. Listening test results indicate that the synthesized piano tones are perceptually similar to the originals.
Click to purchase paper or login as an AES member. If your company or school subscribes to the E-Library then switch to the institutional version. If you are not an AES member and would like to subscribe to the E-Library then Join the AES!
This paper costs $20 for non-members, $5 for AES members and is free for E-Library subscribers.