zplane's ELASTIQUE suite consists of three time-stretching and pitch-shifting engines, each of which is optimized for different use cases. ELASTIQUE PRO, ELASTIQUE EFFICIENT, and ELASTIQUE TUNE utilize state-of-the-art psychoacoustic models and signal processing theory, and are all able to run in real-time.

ELASTIQUE PRO - Our Most Flexible Pitch-shifting Algorithm

ELASTIQUE PRO is a flexible time-stretching engine that offers unmatched audio quality and easily fulfills the premium demands of professional studio and broadcast applications.

ELASTIQUE PRO is based on a completely new approach to time-stretching, which results in sharp transients and crystal-clear vocals without introducing stretching or phasing artifacts. ELASTIQUE PRO offers stable timing, inter-channel phase coherence, and sample-accurate processing.

Unlike many other time-stretching algorithms, ELASTIQUE PRO can apply formant-preserved pitch shifting to both monophonic and polyphonic audio, all in real-time. ELASTIQUE PRO powers our leading pitch and formant-shifting plugin, ELASTIQUE PITCH.

Additionally, the ELASTIQUE PRO SDK package includes the EFFICIENT version of the algorithm, plus two additional monophonic modes which are accessible through the same API. This makes the integration of different processing modes a streamlined process.

ELASTIQUE EFFICIENT - Our Most Efficient Pitch-shifting Algorithm

ELASTIQUE EFFICIENT offers quality time-stretching at a high workload efficiency. The algorithm is suitable for complex polyphonic signals, such as entire instrument groups and even mixes.

ELASTIQUE EFFICIENT uses specifically developed technologies to accurately detect the tonal and transient components of any audio signal. It also offers the same transient preservation as its big brother, ELASTIQUE PRO.

Performance-improving measures include the option to split processing into several parts to avoid workload peaks, and the ability to reduce the overall bandwidth in order to preserve processing power.

ELASTIQUE TUNE - Optimized for Monophonic Material

ELASTIQUE TUNE is a time-stretching and pitch correction technology that has been optimized for monophonic audio signals. Tune gives high-level access to a range of musical parameters. Thanks to a simple interface, users can edit audio like MIDI by adjusting pitch objects, which correspond closely to the musical concept of notes.

Additionally, the SDK provides functionality for Audio-to-MIDI conversion and a synthesis class to control playback in real-time. The interface offers two parameter groups, one to control overall melody properties, and the other to control the parameters of each individual note.