Features

Take the screenshot tour for a visual introduction to Sweep.

The full list of features includes the following:

• Extreme ease of use:
  • Unlimited undo/redo with a fully revertible edit history
  • Multithreaded background rendering and file import/export: effects processing is not disabled during playback, providing instantaneous feedback.
  • Precise, interactive scrubbing
  • Multichannel file support: Sweep provides complete editing and processing for multichannel sound files.
  • Customisable keybindings available for all operations
  • Translations for French, Hungarian, Italian, German, Russian and Polish.

• Support for many PCM and voice file formats via libsndfile by Erik de Castro Lopo:
  • at least 14 PCM sound file formats formats including WAV, W64, AIFF/AIFF-C, IFF/SVX, AU and raw PCM files.
  • PCM audio encoding formats including 8/16/24/32 bit PCM, 32 and 64 bit floating point, u-law, A-law and ADPCM
  • voice encoding formats including GSM 6.10, G721/G723 ADPCM, 12/16/24 bit DWVW

• Support for Ogg Vorbis format audio files:
  • an exteremely high quality, free, open and unpatented perceptual audio codec.
  • supports intuitive variable bitrate encoding, where the Vorbis encoder makes low-level encoding decisions.
  • provides access to average bitrate controls, including bounds on minimum and maximum bitrate usage.
  • Sweep provides sensible defaults and remembers encoding options between sessions.

• Support for Speex files:
  • a free, open and unpatented speech codec designed for Voice over IP (VoIP) and file-based compression.
  • supports optional variable bitrate and control over encoding complexity and frame packing.
  • Sweep provides sensible defaults and remembers encoding options between sessions.

• Support for LADSPA effects plugins, including:
  • the Computer Music Toolkit by Richard Furse, containing high and low pass filters, compressors, delays, and a port of the popular Freeverb reverb unit.
  • SWH plugins, over 30 effects plugins by Steve Harris, including overdrives, comb filter, ring modulator, pitch scaler, chorus, flanger and various distortions.
  • more listed at ladspa.org

• Powerful editing operations:
  • Cut, copy and paste insert: conventional cut or copy selected regions of a sound, and paste into the same or other sounds.
  • Discontinuous selections: select multiple regions of a sound and operate on these regions simultaneously
  • interactive moving and merging of selection boundaries
  • Selection invert, selection double/halve and selection shift left/right

• Intuitive visualisation:
  • Multiple views per clip
  • Variable zooming to below 1:1 with mouse wheel support
  • View Center, Zoom to Selection, Zoom Normal
  • Easy differentiation of multiple files with 6 standard colour schemes including Decoder Red, Orangeboom, Coogee Bay Blue and Blackwattle.

• Versatile playback modes:
  • Standard transport features: play/pause, stop, rewind, fast forward, scan reverse/forward, go to end/beginning.
  • Simultaneous playback of multiple files
  • Play all, play selection, and looping playback
  • Interactive reverse playback: includes reverse previews and reverse looping

• Flexible recording:
  • independent record and playback heads
  • "tape loop" style recording
  • reverse recording

• Device handling and portability:
  • Support for Open Sound System compatible audio devices (eg. stock Linux kernel), ALSA 0.6.0 and Solaris audio.
  • Intuitive control of application latency
  • Support for both little and big endian CPU architectures
• Live playback "DJ" features:
  • Two-handed interactive scrubbing
  • Independent gain levels per file
  • +/-10% pitch slider
  • Piano-style sample playback