Get audio visuals with your AUv3 host or the standalone app. Scope uses a two-axis graph to give a visual representation of a waveform over time, with the horizontal axis representing time and the vertical axis representing the amplitude.
| Price | $2.99 |
|---|---|
| Author | DiscoDSP LLC |
| Type | Tool |
| Supports | Audio Unit (AU) |
| Rating | total: (20), current: (20) |
| Version | 2.5 |
| Released | 05/11/2020 |
| Updated | 05/03/2026 |
Stereo linear mode now overlays L/R on the full canvas for a clearer view. Smoother waveform with frame-to-frame lerp and asymmetric transient response (linear and circular modes). Thicker waveform core and beefier glow on hot signals. Editor window size is now persisted between sessions. Fixed a crash when the GL context wasn't ready yet.
Early Schroeder reverberators consisted of the following elements: a series connection of several all-pass filters, a parallel bank of feedback comb filters, a mixing matrix.
| Price | $4.99 |
|---|---|
| Author | DiscoDSP LLC |
| Type | Effect |
| Effect type | Reverb, Delay, Echo |
| Rating | total: (17), current: (17) |
| Released | 08/13/2020 |
| Updated | 05/20/2025 |
The OPL is a digital sound synthesis chip developed by Yamaha in the mid 1980s. Among other products, it was used in sound cards for PC, including the Ad Lib card and early Sound Blaster series.
| Price | $9.99 |
|---|---|
| Author | DiscoDSP LLC |
| Type | Instrument |
| Instrument type | Synth |
| Instrument sounds | Keyboards |
| Rating | total: (22), current: (22) |
| Released | 06/04/2020 |
| Updated | 03/06/2026 |
OB-Xd is based on the Oberheim OB-X. It attempts to recreate its sound and behavior, but as the original was very limited in some important ways, a number of things were added or altered to the original design.
| Price | $14.99 |
|---|---|
| Author | DiscoDSP LLC |
| Type | Instrument |
| Instrument type | Synth |
| Instrument sounds | Keyboards |
| Rating | total: (64), current: (64) |
| Released | 05/28/2019 |
| Updated | 03/31/2023 |