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MATRIX - The Voice Coder

Get a full working demo here...

MATRIX

The Vocoder for the 21st Century

The Vocoder was invented by Homer Dudley in the mid-30's of the last century. Dudley worked at Bell Laboratories, and this is where the first Vocoder took shape.
The basic function of a Vocoder is characterized by an analysis of the input signal, usually speech but other type of inputs can also be very interesting. In a special filter bank, a spectral analysis is performed and signals are developed which follows the amount of spectral energy in each channel. Another part of the analyzer tests if there are unvoiced or voiced sounds at any particular time and extracts the pitch of the voiced sounds. The output section of the vocoder consists of a stereophonic synthesis filter bank which assembles the new synthetic speech from the characteristic filter envelopes from the analysis stage together with an external or internal replacement signal.

What makes MATRIX different to the vocoders in the past ?

- Precise analog modelling 8-pole filters and extremely fast envelope followers  for unprecedented resynthesis quality.

- New voiced/unvoiced detection and pitch extraction algorithms for high intelligibility.

- Stereophonic synthesis filter bank preserves the spatial characteristic of the replacement signal.

- Easy to use interface.

- Latency free operation.

PHASE 2 CORPORATION using MATRIX Vocoder
 

Kraftwerk using MATRIX Vocoder live

Kraftwerk08

MATRIX 2: Two Vocoders in one !

Inspired by the legendary VSM 201 Vocoder from Sennheiser we´ve spent MATRIX an additional Filter module modelling the analog Sound of the VSM.
But to make it even better we´ve extended the filter range by adding two additional filters for the high end and MATRIX got two Filterbanks for stereo operation.

MATRIX 2 also comes with a redesigned user interface, some additional presets and we´ve spent an internal noise generator for whisper effects.
 

VirSyn is proud to report that Kraftwerk used our MATRIX Vocoder live on stage at their world tour 2008. Starting in September in Dublin, Krakow and Kiev and in the following concerts in Australia, New Zealand, Singapur and Hongkong. The MATRIX vocoder was used there live as a VST3 effect in Cubase 4 on a Sony VAIO FZ laptop.

More from Kraftwerk here...

Comments

Audio samples for Version 2

Vocoder

Speaker

Using the VSM Filter with an external carrier.

MixEmPee

Speaker

...i am currently looking for new vocoding software after switching to a mac having used xxx vocoder for a while, and thought I would congratulate you on an amazing piece of software, the bottom end on the vocoder is just insane, it goes way deeper than any of the competition. Thought I would send you a track I just did today which features your vocoder heavily. Currently I am into mixing french house style with chopped up tracks with a kraftwerk feel. Anyways well done, hope you like the track it was just a bit of fun and to show how quick it is to use your software in Logic Studio :) Track is called De-Con-Struct-Ion by the way :)

geiger167

Counting

Speaker

Using a long reverb before (!) the input of the Vocoder and Noise as carrier.

PartyPeople

Speaker

De-Con-Struct-Ion (excerpt)

Speaker

De-Con-Struct-Ion (full)

Speaker

Audio samples

Das Gleichnis

Vocoded Drums

MATRIX  VST3 Version

Speaker

Vocal

Speaker

Ultramode

Speaker
vst3_logo_small
Speaker

Vocal & Drums

Speaker

Some preset examples

Please note that all examples are made without additional effects!

SynthVoice

Speaker

Simple Sound of TERA used as replacement signal via sidechain input.

Drums

Speaker

Internal Oscillator used for voiced phonemes, noise generator for unvoiced ones.

Krass

Speaker

Internal Oscillator pitched down 2 octaves with pitch tracking.

HiKey

Speaker

This time the channel levels of the lower frequency bands are turned down.

Ensemble

Speaker

Mix of vocoded Voice with pitchtracking and original showing the “voice enhancement” possibilities.

Stereo

Speaker

Internal Oscillator used for both voiced and unvoiced phonemes. The synthesis channels are panned each other hard right and left.

Gender

Speaker

TERA sound with shifted Formants.

Features

The Voice Coder

- 32 channel Filterbank / 20+2 Band VSM Filterbank.
- stereophonic synthesis.
- voiced/unvoiced detection
- Pitch tracking
- Formant shift
- Pause filling
- Channel matrix
- Pan position and level for each channel.
- 16 internal oscillators with 2 flavours.
- Vibrato LFO with Mod Wheel controllable amount.
- Stereo wide panorama parameter for internal generator.
- Optional monophonic generator with Glide setting.
- internal noise generator.
- Easy user interface.

Host compatibility

- VST 3
- VST 2.4
- AudioUnit
- RTAS ( AAX in preparation )

Minimal system requirements PC

° Microsoft Windows 7/8/10 32/64bit
° VST2.4 / VST3 compatible host sequencer.
° 32-bit and 64 bit plugins

Minimal system requirements Mac

° Mac OS X version 10.7 - 10.11
° AudioUnit / VST2.4 / VST3 compatible host sequencer.
° 32-bit and 64 bit plugins

 

The MATRIX Vocoder is now compatible to the new VST3 standard - the next major revision of Steinberg’s Virtual Studio Technology. The new side chaining capabilities in VST3 makes the handling of MATRIX much easier.

Please note that the VST3 standard is brand new: You have to update your Cubase/Nuendo to the latest version 4.1.2 or later to make use of it.

The update also includes a polyphonic generator now.