Comb Filter

Summing two signals   Comb filtering occurs when two audio signals are summed together with the difference in very small delay between them. This effect tends to happen a lot when two or more microphones are picking up the same audio signal. They then summit...

Formant Filter

 Speech Synthesis   In speech synthesis, formant filters are often used to simulate formant filtering by the vocal tract. Passing a “buzz source” through only two or three formant filters simulate different vowel speech sounds. As a result, speech is fully...
How to Make a Talking Synth Sound

How to Make a Talking Synth Sound

Simulation of the human voice was one of the things that synthesizer makers and music producers tried to achieve since the beginning of the synthesizer era. First attempts at synthesizing the human voice were made in Doctor Who episodes with Dalek voices. Later on, we...