## Blogs about: Fast Fourier Transform

#### Computing the Fast Fourier Transform Algorithm in C++

: The Fourier transform is an important equation for spectral analysis, and is required frequently in … more →

#### Fourier Transform (Stanford)

: Lecture 1-30 | The Fourier Transforms and its Applications … more →

#### Digital Signal Processing online class by Coursera

: I have successfully completed the free online offering of Digital Signal Processing, offered by cour … more →

#### It Speaks... Sort Of.

: The sort of direct formant rendering appears to be most closely related to VOSIM(Vocal Simulation), … more →

#### Getting Into Research Mode

: Since I’m (for the moment) heading down the path of voice synthesis, I decided to request some … more →

#### Editing Formants

: I’ve mentioned before that one of the features of Praat is that it can calculate formants. (Ha … more →

#### Praat is Awesome — 2 comments

: The folks who had created S.A.M. (Software Automatic Mouth) some 30 years ago have a company called  … more →

#### Formant Synthesis

: I’ve taken a bit of a detour, although I hope to be back on track soon. I was looking at artic … more →

#### Stretching Vowel Sounds

: One of the still-unanswered questions for synSinger is how to handle notes that are longer than the … more →

#### Analyzing Audio

: The only thing more tedious than recording the bazillion audio files needed to represent English spe … more →

#### Finally, Singing Again

: I corrected a number of bugs in the positioning code, so synSinger correctly positions syllable elem … more →

#### Still Messing with PSOLA

: PSOLA is a real fiddly sort of beast – get one thing wrong, and audio becomes phasey and click … more →

#### Fast Fourier Transform in Haskell

: The Discrete Fourier Transform (DFT) converts a finite list of equally-spaced samples of a function … more →

#### Grumble...

: I’ve been trying to implement spectral morphing, but have run into a lot of problems. The morp … more →

#### Implementing Spectral Envelope Morphs

: I’ve done an initial implementation of crossfades via spectral morphs. There’s currently … more →

#### Working on Morphing Spectral Envelopes

: Having implemented spectral envelopes, it now makes sense to implement morphing of spectral envelope … more →

Tags: Spectral envelope, FFT

#### Pitch Shifting Algorithms

: The key to good pitch shifting is formant preservation. Formants are resonanances that form in the t … more →

#### Fixing the Pitch Detector

: I’ve done some fixes to the auto-correlation code to make it work more accurately: Check the e … more →

#### Two more lectures

: Last Thursday a select audience was treated to two excellent lectures. The occasion was the presenta … more →

Tags: Events, Galois, Group, field, RSA

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