MATRIXSYNTH: Hypnotriod Beatsqueezer

Tuesday, November 05, 2019

Hypnotriod Beatsqueezer

Published on Apr 15, 2018 Hypnotriod

The prototype of the Beatsqueezer was first posted in 2017 here.

Microbrute + Mininova + Beatsqueezer. Carpet Show, Episode 2
Microbrute + Mininova + Beatsqueezer. Carpet Show, Episode 1
Beatsqueezer sample-player - sound banks demo
Beatsqueezer sample-player + KORG padKONTROL + Flute + Green Cat. Improvisation with jazzy loops.
National Ukrainian instruments Domra & Bandura. Played with Beatsqueezer sampler.
The Beatsqueezer sample-player + KORG padCONTROL. Some Trip Hop Beats
Beatsqueezer Virtual Pad - free 5x5 pads USB-MIDI Controller for Android 4.0+ DEMO.
The Beatsqueezer. Play Mellotron style sampled Flute.
The Beatsqueezer Filters DEMO (DIY handmade audio-sampler 44100 Hz 16 bit)
My DIY Audio sampler - Beatsqueezer v2.0 plays Beethoven Moonlight Sonata over USB-MIDI
Beatsqueezer. DEMO. DIY audio sampler-prototype based on stm32f401 mcu. By Ilya Pikin.
Beatsqueezer + Korg padCONTROL. DIY audio sampler-prototype based on stm32f401 mcu. By Ilya Pikin.
My DIY audio sampler prototype based on stm32f401, MAX7219, AT45DB161E, SD card. Made by Ilya Pikin

via this auction

"The Beatsqueezer - small sample player device which produce Hi-Fi sound in 44100 Hz 24 bit stereo, with up to 16 mono (can be applied panorama) or stereo voices polyphony in 44100 Hz 16 bit. It is designed to bring on stage Mellotron-style synthesizer with unique sampled instruments, one shot / looped samples sets, drums, backing tracks, sound effects etc.

It has 4GB internal flash memory for keeping samples Banks aka Patches (up to 13 hours 20 minutes of mono or 6 hours 40 minutes stereo samples; after loading to the device’s internal memory all Banks are immediately available, no SD card present is required), 4 knobs for fx filters (each filters parameters can be accessible with MIDI CC), 1 rotary encoder with button for menu navigation, 128x160 color TFT display, 3.5 jack MIDI IN, 6.3 jack stereo audio output, micro SD card slot and full size USB B connector for device powering (can be used any 500 mA power source: mobile phone charger, 5V adapter with USB socket, power bank, etc.), and for communication with PC, MAC, mobile phones and tablets (with usb host feature) thru USB-MIDI protocol.

With "Banks Editor" software, user has possibility to create his own samples Banks (paches):

Up to 3 samples ("Default", "Piano" and "Forte") for each of 128 notes with unlimited sample length.
Sample Loop Point, for infinitive playback.
Cut Group, for playing only one sample at one time from specific group (for example: open and close hat, solo instrument), "self" group to stop playing only same sample, if corresponding note pressed twice and "none" group for multiple sample playback.
Dynamic or Fixed velocity for each sample.
"One Shot" behaviour.
If "One Shot" and Loop Point are defined, sample goes to "Loop trigger" mode, when 1-st press will play sample and 2-nd will stop it.
Stereo panorama for each note (mono samples only).
Also implemented simple MIDI files track Player. Can be played one MIDI Track from song (MIDI file) at one time. Tracks can be switched (next Track will be played after end of previous) and looped in real time. MIDI Player can be triggered and synced with master sequencer, by MIDI Clock and MIDI messages:

Start (Play MIDI Track)
Stop (Stop MIDI Track)
Song Select (Change MIDI Track)
With "Split Mode" feature, possible to split keyboard in up to 4 ranges (groups), and load individual Bank for every group.

Beatsqueezer has a number of master filters and special effects that are available simultaneously:

Low Pass Resonant filter
Ring Modulation
Stereo Rotary Vibrato
Granular Glitch
Delay with Low Pass and High Pass filters
ADSR envelope for Amplitude
ADSR envelope for Low Pass filter
Velocity dependent Attack and Timeshift
Via MIDI messages are supported:

Pitch Bend Wheel +2/-2 semitones
Modulation Wheel
Expression Pedal
Sustain Pedal
Sostenuto Pedal
Channel Pressure (Aftertouch)
Program Change (Bank selection)
Program Change LSB (Split Group selection)
For onboard knobs implemented the "Smart Knobs" behaviour - the filter value will react to the knob position only if the actual knob position and the filter value match.

There is a possibility to upgrade firmware from SD card thru built in bootloader."

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