samplv1 provides polyphonic sample synthesis with stereo effects, including standalone JACK client support.

samplv1.sourceforge.io
samplv1 homepage screenshot

About samplv1

samplv1 is an open-source, old-school all-digital polyphonic sampler synthesizer with built-in stereo effects, designed for Linux audio production. It operates as a standalone JACK client with JACK-session and NSM support, accepts both JACK MIDI and ALSA MIDI input, and can also function as an LV2 instrument plug-in for compatible digital audio workstations.

The software is distributed under the GNU General Public License version 2 or later, with source code and pre-built binaries available via its SourceForge project page. Optional build-time dependencies enable additional features including audio time-stretching and pitch-shifting, OSC support for NSM, and FFT-based processing.

Key features

  • Standalone JACK client with JACK-session and NSM support
  • Supports JACK MIDI and ALSA MIDI input
  • Functions as an LV2 instrument plug-in
  • Includes built-in stereo audio effects
  • All-digital polyphonic sample synthesis
  • Optional time-stretching and pitch-shifting support
Best for: Linux audio producers and composers who need a polyphonic sampler for standalone JACK workflows or LV2 plug-in integration.
Good for
  • Open-source under GPL v2 or later, allowing free use and modification
  • Supports both standalone JACK operation and LV2 plug-in use for flexible workflows
  • Offers optional build-time features including time-stretching, pitch-shifting, and NSM support
Watch out for
  • No official pre-built binary packages are provided, requiring manual build or use of community packages
  • The project notes there are still unresolved bugs despite being considered production-stable
  • All documented build and runtime dependencies are Linux-focused, with no other operating system support mentioned

samplv1 at a glance

Type
Website
Pricing
Not confirmed. Check the site
Platforms
Linux, Web
Open source
Not stated
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026

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Schism Tracker

schismtracker.org

A free, open source reimplementation of Impulse Tracker, Schism Tracker creates music and uses a player based on the ModPlug engine.

Helm

tytel.org/helm

Helm offers a free polyphonic synthesizer for GNU/Linux, Mac, and Windows, as a standalone program or audio plugin.

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samplv1 FAQ

What MIDI input standards does samplv1 support?
It supports both JACK MIDI and ALSA MIDI input.
What license is samplv1 distributed under?
It is free open-source software under the GNU General Public License version 2 or later.
Can samplv1 be used as a plug-in in audio software?
Yes, it is available as an LV2 instrument plug-in.
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