A Real Time 3D Signal Analysis/Synthesis Tool Based on the Short Time Fourier Transform

Alan Wesley Peevers
Department of Electrical Engineering
University of California, Berkeley
(now at Emu/Creative Joint Technology Center, Scotts Valley, CA)

  1. Introduction
  2. Short Time Fourier Transform Theory
    1. Analysis Window Selection
    2. Choice of FFT Length
    3. Choice of Stride
  3. Use of the STFT for Frequency Domain Filtering
    1. FIR Filtering Using STFT
    2. Time Scale Modifications
    3. Magnitude-only Modifications
      1. Cross-Synthesis Filtering
      2. Spectral Envelope Representation
  4. The Spectrogram Program
    1. Overview
      1. User Interface
      2. Input/Output Functions
      3. Analysis Parameters
      4. Graphical Interface
      5. Modification Functions
      6. Display Functions/Modes
  5. References