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Tutorial 008 / Ableton Live

Build a Hammered Room Keys

Percussive Wavetable keys with three octave-related tones, a closing PRD filter, saturation and a spacious reverb tail.

4 stepsWavetableLive 12 Suite

Listen to the finished sound

Download WEBM ↓

Follow the synthesis steps in order. Use the audio examples and device screenshots alongside the settings.

Step 01 / 4

Shape the three pitched tones

Load Wavetable and apply the starting settings. Enable both main oscillators and the Sub oscillator. Choose Basics → Basic Shapes for both main oscillators, set their effect modes to None, and center both pans. Leave both filters Off for this step.

Control Oscillator 1 Oscillator 2
Position 75% 45%
Semitone 0 st +12 st
Detune −7 ct 0 ct
Gain −6.0 dB −15 dB

These positions blend adjacent shapes in the wavetable. Oscillator 1 provides the stronger, hollow body; oscillator 2 adds a quieter upper octave.

Set Sub Gain −27 dB, Sub Tone 100% and Sub Octave −1. Set global Transpose +12 st. Together, these controls place the sub at the played pitch, oscillator 1 one octave above it and oscillator 2 two octaves above it.

Set Volume −3.0 dB, Poly 6, Unison None and Glide 0 ms. Keep Time 0% and Global Mod Amount 100%.

Wavetable oscillator 1, sub and amplitude envelope
Wavetable oscillator 1, sub and amplitude envelope · Select image to enlarge
Wavetable oscillator 2
Wavetable oscillator 2 · Select image to enlarge

Give the amplitude envelope a fast strike and a gradual fall:

Amplitude control Value
Attack 1.00 ms
Decay 1.40 s
Sustain −42 dB
Release 250 ms
Attack / Decay / Release slopes 0% / 0% / 50%
Loop mode None

The low sustain leaves a faint tone when a note is held. Set Velocity → Amp 50 and Pitch Bend → Pitch +2 st in the MIDI modulation matrix. Also set Key → Filter 1 Frequency 100; this takes effect when the filter is enabled. Keep other MIDI connections at zero.

Wavetable velocity and pitch-bend response
Wavetable velocity and pitch-bend response · Select image to enlarge

Play or download step 1 — WebM

Next: Close the filter after the strike →

Step 02 / 4

Close the filter after the strike

Enable Filter 1. Choose Lowpass, 24 dB, and the PRD circuit. Set Frequency 1.10 kHz, Resonance 6.2% and Drive 3.00 dB. Use Serial routing and leave Filter 2 Off.

Set Envelope 2 as follows:

Envelope 2 control Value
Attack 1.00 ms
Decay 250 ms
Sustain 0%
Release 100 ms
Initial / Peak / Final 0% / 100% / 0%
Attack / Decay / Release slopes 0% / 50% / 50%
Loop mode None

In the modulation matrix, set Env 2 → Filter 1 Frequency 10. Keep other envelope and LFO connections at zero. Keep Key → Filter 1 Frequency 100 in the MIDI matrix.

The envelope briefly opens the filter for the strike, then rounds the sound as it decays. Key tracking moves the cutoff with the played note, keeping the filter contour consistent across the keyboard.

Wavetable filter and Envelope 2
Wavetable filter and Envelope 2 · Select image to enlarge
Wavetable filter modulation matrix
Wavetable filter modulation matrix · Select image to enlarge

Play or download step 2 — WebM

Next: Thicken the strike with Saturator →

Step 03 / 4

Thicken the strike with Saturator

Place Saturator after Wavetable. Select Analog Clip, set Drive 22 dB, Output −21 dB, Dry/Wet 50%, and Post Clip Mode Soft Clip. Turn Color and Pre DC Filter Off.

The drive adds harmonics as the three tones pass through the same nonlinear curve. The dry blend retains the original attack. Keep the oscillator gains and Wavetable volume from step 1: the level entering Saturator changes its tone as well as its loudness.

Saturator settings
Saturator settings · Select image to enlarge

Play or download step 3 — WebM

Next: Add a spacious, dark tail →

Step 04 / 4

Add a spacious, dark tail

Add Reverb after Saturator.

Reverb control Value
Predelay 8.00 ms
Size / Smoothing 100.00 / Fast
Decay 8.50 s
Stereo 80.00
Density High
Dry/Wet 22%
Input Lo Cut / Hi Cut Off / Off
Reflect / Diffuse level 0 dB / 0 dB
Early-reflection Spin On
Spin rate / Amount 0.30 Hz / 17.50
Early-reflection Shape 0.50
Diffusion High On, Shelf
High frequency / Gain 3.00 kHz / 0.50
Diffusion Low Off
Diffusion / Scale 60% / 40%
Chorus On
Chorus rate / Amount 0.02 Hz / 0.02
Freeze Off

The low wet amount keeps the strike clear while the long, damped room hangs behind it. High-frequency damping lets the tail become darker as it fades.

Reverb settings
Reverb settings · Select image to enlarge

Play or download step 4 — WebM

Use a lighter touch for softer notes and a stronger strike for more level into Saturator. Short notes expose the release and room tail; held notes reveal the faint sustain. Up to six notes can sound at once.

Audio & settings ↓

Audio & settings

Audio recordings and settings for this tutorial.