Monthly Archives: April 2013

What’s The Buzz?

One of the problems with formant synthesis which has just about driven me to despair is that the vowels sound more like electric buzzers going off than human speakers. This raised the question – why didn’t the SoftVoice demos (which … Continue reading

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Reading…

Normally, when I request books from the library through the inter-library loan system, they trickle in a few at a time. This time, all 28 books showed up at the same time. I was able to whittle them down to … Continue reading

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A Bit of Pragmatism

Using a sin wave with a jittered angle, and modulating that with brownian noise is a good way to simulate unvoiced consonants. But… After spending far too much time working on various sounds, I finally accepted that there’s no reason … Continue reading

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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 formant frequencies directly, and modulates them with the glottal … Continue reading

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Grinding Away

I figured I’d start the formant synthesis coding from scratch, starting with a simple Target class: class Target { double ms; // time in milliseconds double f1; // frequency of F1 double f2; // frequency of F2 double f3; // frequency of … Continue reading

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Getting Into Research Mode

Since I’m (for the moment) heading down the path of voice synthesis, I decided to request some books through the local library’s LinkPlus system. So I’ve got about 30 books heading my way in the next week or so. Mainly, … Continue reading

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Formant Editor

I’ve got most of the UI elements of the formant editor working: Features include: Loads 16 bit monophonic .wav files. Automatically generates estimate of formants. Display of estimate can be toggled on and off. Up to three formants can be specified. … Continue reading

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