Blogs about: Fast Fourier Transform
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It Speaks… Sort Of.
The sort of direct formant rendering appears to be most closely related to VOSIM(Vocal Simulation), developed in the 1970s by Werner Kaegi and Stan Tempelaars. Instead of using filters, it renders the… more →
synSinger
Computing the Fast Fourier Transform Algorithm in C++
wrote 1 week ago: The Fourier transform is an important equation for spectral analysis, and is required frequently in … more →
Fourier Transform (Stanford)
wrote 1 week ago: Lecture 1-30 | The Fourier Transforms and its Applications … more →
Digital Signal Processing online class by Coursera
wrote 1 week ago: I have successfully completed the free online offering of Digital Signal Processing, offered by cour … more →
It Speaks... Sort Of.
wrote 4 weeks ago: The sort of direct formant rendering appears to be most closely related to VOSIM(Vocal Simulation), … more →
Getting Into Research Mode
wrote 1 month ago: Since I’m (for the moment) heading down the path of voice synthesis, I decided to request some … more →
Editing Formants
wrote 1 month ago: I’ve mentioned before that one of the features of Praat is that it can calculate formants. (Ha … more →
Praat is Awesome
— 2 comments
wrote 1 month ago: The folks who had created S.A.M. (Software Automatic Mouth) some 30 years ago have a company called … more →
Formant Synthesis
wrote 1 month ago: 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
wrote 1 month ago: One of the still-unanswered questions for synSinger is how to handle notes that are longer than the … more →
Analyzing Audio
wrote 1 month ago: The only thing more tedious than recording the bazillion audio files needed to represent English spe … more →
Finally, Singing Again
wrote 1 month ago: I corrected a number of bugs in the positioning code, so synSinger correctly positions syllable elem … more →
Still Messing with PSOLA
wrote 1 month ago: PSOLA is a real fiddly sort of beast – get one thing wrong, and audio becomes phasey and click … more →
Fast Fourier Transform in Haskell
wrote 1 month ago: The Discrete Fourier Transform (DFT) converts a finite list of equally-spaced samples of a function … more →
Grumble...
wrote 1 month ago: I’ve been trying to implement spectral morphing, but have run into a lot of problems. The morp … more →
Implementing Spectral Envelope Morphs
wrote 1 month ago: I’ve done an initial implementation of crossfades via spectral morphs. There’s currently … more →
Working on Morphing Spectral Envelopes
wrote 1 month ago: Having implemented spectral envelopes, it now makes sense to implement morphing of spectral envelope … more →
Pitch Shifting Algorithms
wrote 2 months ago: The key to good pitch shifting is formant preservation. Formants are resonanances that form in the t … more →
Fixing the Pitch Detector
wrote 2 months ago: I’ve done some fixes to the auto-correlation code to make it work more accurately: Check the e … more →
Two more lectures
wrote 2 months ago: Last Thursday a select audience was treated to two excellent lectures. The occasion was the presenta … more →
