Immediately following each filter is an envelope follower, which is a special type of amplifier that converts incoming audio levels to a corresponding control voltage. Each filter only allows a small area of the audio frequency range through. The modulator signal is split and runs through all eleven filters. The number 11 slider is a highpass filter that handles the top end of the audio spectrum from 8k-20k. Each bandpass filter covers a small “slice” of the audible audio spectrum - the eleven bands you see on the panel logically go from low frequencies to high frequencies. The Mixcraft Vocoder consists of two matching sets of ten bandpass filters (plus two highpass filters): one set for the modulator signal, and the other set for the carrier signal. Here we’ll go over what all of the Vocoder controls do. This is the secret sauce because the microphone audio (aka, the modulator) needs to control the vocoder. The Vocoder Modulator audio track is routed to the Acoustica Vocoder sidechain input.The Mixcraft instrument preset Vocoder Saw is opened in the instrument channel, and the Acoustica Vocoder is inserted into the first effects slot.This lets you use a microphone or other input source for real-time modulation. Software Monitoring is enabled for the audio track.A Submix Track containing an audio track (Vocoder Modulator) and an Instrument Track (Vocoder Carrier) is created.Here’s a list of exactly what happens when a Vocoder Track is created: You could manually set up the same configuration, but Mixcraft’s Vocoder Track makes this really easy by setting up everything in one step. The carrier and modulator signals must be properly routed for the vocoder to work correctly. A crude analogy would be humming a pitch while cupping your hand over your mouth to change the sound - the constant hum would be the carrier signal, and the modulator would be your hand on your mouth. The basic idea is that the modulator signal input imparts its character upon the carrier signal input. Vocoder tracks are fully explained in the “Vocoder Track“ LINK HERE section, but we’ll cover them here as well. This instantly sets up everything you’ll need for robota-matic vocoder bliss. QUICK START USING A MIXCRAFT VOCODER TRACKīecause they don’t make any sound on their own, vocoders can initially be confusing to set up, but we’ve greatly simplified configuration by providing the Vocoder Track type. a full synth wave, or white noise), and the modulator should contain constantly changing frequency and/or rhythmic content (e.g. Generally speaking, the carrier audio should be something relatively constant with a lot of frequency content (e.g. Vocoders are commonly used to create robot voice or choir effects by imparting the spectral character of a spoken or sung source (aka, the “modulator”) to a full-spectrum constant tone (aka, the “carrier”). A vocoder is a specialized type of multi-filter bank that imparts the tonal characteristics of one sound upon another.
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