Pipa by Klevgrand expressive vocal synth plugin interface

Pipa: Expressive Vocal Synth Plugin by Klevgrand Free Download

Rated 4.6/5 on Plugin Boutique (131 ratings)

Pipa is a vocal synth plugin by Klevgrand that combines wavetable and granulating synthesis to create expressive, singing-style sounds. It offers continuous morphing between formants, dynamics and pitch.

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Free trial available from the developer

01Overview

Pipa is a singing synth built around the expression and flexibility of the human voice. Rather than trying to reproduce a real voice in full, it focuses on an organic, musical sound where formants and dynamics can be shaped smoothly. Its engine blends wavetable and granulating synthesis, using a large database of wavetables extracted from real vocal samples. Both male and female voices are included, along with factory presets, room and reverb processing, and voice spatialization options.

Best for

Vocal-style leads
Expressive synth melodies
Vocal pad textures
Glide-based lines
Spatial vocal effects

Developer: Klevgrand
Category: Synths
Store: Plugin Boutique

02Key features

What you get

Crossover of wavetable and granulating synthesis
Continuous morphing between formants, dynamics and pitch
Male and female voice options
Separate envelopes and LFOs for formant, dynamics, gain and pitch
Two MIDI assignable controllers (Ctrl1 and Ctrl2)
Legato mode with pitch and velocity glide time controls
Voice spatialization
Room simulation plus reverb algorithm

03In depth

Sound Engine and Vocal Character

Pipa's synth engine is a crossover between a wavetable synthesizer and a granulating synthesizer. Instead of playing ordinary samples or filtering oscillators through formant filters, it draws on thousands of wavetables taken from real vocal recordings.

Because the wavetables are phase aligned, the developer says the instrument can morph between them without abrupt changes. This allows continuous transitions between pitch, formants and dynamics, which Klevgrand presents as a key strength for expressive melodic parts. Both male and female voice options are available.

Controls, Modulation and Workflow

Each formant, dynamics, gain and pitch parameter can be shaped with its own envelope and LFO. The release time of the envelopes is linked, which keeps the shaping consistent across the sound.

Two MIDI assignable controllers, Ctrl1 and Ctrl2, can be mapped to formants, dynamics, pitch and gain. A legato mode gives separate control over pitch glide time and velocity glide time, useful for smooth melodic lines. Stereo voice spatialization, a room simulation and a reverb algorithm complete the processing chain.

04Specs