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 Anvil Studio by Willow Software is an Audio Plugin Host. It can host VST Plugins.
Anvil Studio
Product Anvil Studio
Developer Willow Software
Price (MSRP)
Type / Tags Simple VST Host
Plug-in, App & Soundware Format(s)
Can Host
Operating System Availability
Download Released
  Download Released
Supported Sample Formats (loads or saves) include
Miscellaneous Information
Copy ProtectionNone

Anvil Studio is a free Windows 7 / Vista / XP program for editing multi-track MIDI files. The free version can:

  • Host a VST-Instrument using Core Audio, DirectX or WDM.
  • Create songs with unlimited MIDI tracks and 2 audio tracks up to one minute long.

With the optional Anvil Studio Pro-Mix accessory, it can load any number of VST-Effects and VST-Instruments, and ReWire instruments under ASIO, Core Audio, DirectX, or WDM, and it can record, edit, and playback VST parameter automation.

With the optional Anvil Studio Multi-Audio accessory, it can record and mix up to 8 Audio tracks of unlimited length.

With the optional Anvil Studio Print-Sheet accessory, you can annotate and print sheet music for standard MIDI files with standard music notation including: slur, crescendo, decrescendo, fermata, trill, repeat, D.C., D.S., Segno, Coda, Prima Volta, Seconda Volta, pp, p, mp, mf, f, ff, and more.

  • Editors: Staff, Lyrics, Piano Roll, Percussions, Loops, Audio, Events.
  • File formats: standard .MID and .WAV files.
  • Includes extensive integrated help.
  • Piano Roll / Rhythm editor with:
    • Multi-level loops.
    • Loops can refer to notes, other loops, samples, or Riffs.
    • Import, record and edit audio samples and play them like drums.
    • Any note duration down to 1/128th notes.
    • Dynamic editing while the song is playing, making it easier to experiment with rhythms.
    • Duplet, quintuplet, and septuplet notes.
  • Enter notes from external MIDI device, on-screen guitar fret board, on-screen piano keyboard, or by dragging notes to the staff.
  • Lyrics, track names, and comments can be in Chinese, Japanese, Korean and other languages.
  • Percussion editor employs standard percussion notation.
  • Edit note properties individually or as a group: Pitch, duration, volume, stem direction, staccato, tie-to-next-note, and delete note.
  • Copy and paste between 2 song files by starting two copies of Anvil Studio with different songs loaded.
  • Align notes with beats and measures.
  • Stretch / compress notes over time.
  • Compensation for MIDI and Audio device latency and working with low-latency ASIO and Virtual Instruments.
  • Per-track On/Mute/Solo, device, instrument, channel, fader, pan, and effects controls.
  • Shows up to 25 tracks of information displayed at the same time.
  • Zoomed-out view of notes and wave data for all tracks at the same time.
  • Option to play notes as mouse moves over them, making it easier to quickly locate a spot in the song.
  • Dynamically change track volumes, mutes, instruments, and effects properties while a song continues to play.
  • Fast loading and scrolling of large MIDI files.
  • Time and Duration fields display time in Minute:Second:Frame(SMPTE), or Measure:Beat:Ticks, or sample format.
  • Metronome includes tempo, lead-in, and accent beat attributes.
  • Add Cue points for quickly positioning to a desired spot in the song.
  • Play list for playing hours of different song files.
  • File/Truncate menu to shorten the duration of .MID files.
  • File/Merge Song menu for copying tracks between .MID files.
  • User-defined keyboard shortcuts.
  • Control Record/Play/Stop functions remotely using any MIDI controllers such as a Foot Switch, Modulation wheel.
  • Free version has built-in patch-library support for SoundFont -compatible sound cards.
  • Supports the Tascam US-428 External Mixing console.


  • Free version allows you to record and edit a single, stereo or mono, one minute audio track.
  • Mix audio files with different formats (bits per sample, samples per second).
  • Controls for sound-card configuration.
  • Mix all tracks down to a single .WAV file.
  • Set record and play start and end times to control which range get recorded for Punch-in to re-record over mistakes.
  • Record audio tracks from any sound card's Mono, Left, Right or Stereo channels, from any soundcard source including Microphone, Line-In, CD-Audio, etc.
  • Audio effects: native reverb, native EQ, third-party DirectX effects.
  • Audio filters: zero-range, pitch change, volume change, pan, filtering, reverse, normalize (to maximize a track's head-room), low-pass, high-pass, band-pass, and band-stop.
  • VU meters.
  • Zoom in to the sample level.
  • Per-sample Volume, Pan and Reverb controls.
  • Record an Audio device's Left or Right channel to a track by itself.
  • Mix stereo and mono Audio tracks in the same song to a stereo or mono mix.
  • Split a stereo audio track into two mono tracks.
  • Change audio tracks between Mono and Stereo.
  • Paste Stereo to Mono and Mono to Stereo.
  • Import .WAV files to audio tracks or sampled rhythms.
  • When moving the mouse over notes on the staff, the equivalent keys on the piano keyboard are highlighted.
  • Record from an external MIDI keyboard.
  • Enter notes from Computer keyboard while real-time recording or manually composing.
  • Select, Copy, Edit, Paste notes.
  • Right-mouse popup menu control of individual note properties including:
  • Staff style control to display 1 or 2 treble, bass, or other clefs.
  • Quantize.
  • Transpose diatonic or chromatic.
  • Auto-harmonize.
  • Triplets, quintuplets.
  • Automatic layout of bars and staves.
  • MIDI Master and Slave Synchronization modes for synchronizing with MIDI drum machines and sequencers.
  • Repair Song menu fixes problems in badly-formatted MIDI files.
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Discussion: Active
6 February 2012 at 9:07pm

This seems pretty cool! :-o

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