Audiofile Engineering has released SoundEdit, an audio editor and sample manager for macOS, and updated its music player Fidelia to version 2.13 for macOS and 2.1 for iOS and iPadOS.
SoundEdit
SoundEdit makes the file being edited playable. A loaded sound plays polyphonically from a MIDI keyboard or the computer keys, with an envelope and filter per voice, and chopped slices become pads. Eight Audio Unit slots play live, and the effect chain is saved with the file. Version 1.1 adds the Library and SoundEdit Pro.
Features:
- Library: opens any folder as a list of its sounds without importing them. SoundEdit Pro measures each sound’s type, tempo, root note, key and loudness, so the list can be filtered by any of them.
- Recording: records what the Mac is playing, a single app or any input, with punch-in on zero crossings.
- Ingredients: a sound dropped onto another is layered frame-exact over the untouched original and stays adjustable.
- Hardware: exchanges kits and presets with Teenage Engineering’s EP series, OP-1 field and OP-XY over USB.
- Batch processing: converts, resamples, normalizes to peak or loudness under a true-peak ceiling, trims silence and renames a whole folder in one pass, writing new files and leaving the originals unchanged.
- Edit history: every edit is kept in a recipe beside the library, so undo works across sessions and versions sit side by side.
- Loops, tempo and pitch: zero-crossing snapping, transient markers, a beat grid, MIDI clock sync, time-stretching and pitch shifting with formants preserved.
- MCP server: an optional server lets an AI agent in Claude or any MCP client edit the open file. It is off until turned on in Settings.
SoundEdit opens WAV, AIFF, CAF, MP3, M4A, AAC and FLAC files and saves WAV, AIFF, CAF, FLAC, ALAC, AAC and MP3 at 16, 24 or 32-bit.
Changes in Fidelia 2.13 and 2.1
Fidelia is a music player for libraries people own. On the Mac it plays to USB DACs bit-exact and gapless, hosts Audio Unit plug-ins in three out-of-process slots, plays multichannel files up to 9.1.6 and shows sample-peak and RMS meters for every channel. On iPhone and iPad it plays to USB DACs and hosts AUv3 plug-ins:
- Fidelia for Mac 2.13 adds watched folders and reads the DR, R128 and ReplayGain values other players write into files, showing them as sortable columns. An optional MCP server lets AI apps such as Claude and Codex search and play the library; it is off until turned on, and the AI app never learns where the files are.
- Fidelia for iPhone and iPad 2.1 adds Bridge, which streams a Mac’s library over the home network or away over a VPN, sending a lighter copy over slow connections. The Bridge library can also appear in CarPlay.
Pricing & Availability
SoundEdit for macOS 14 or later is available now on the Mac App Store as a free download with a 14-day trial. The full license is US$99.99. SoundEdit Pro (sound measurement, sampler kits and batch recipes) is a US$49.99 add-on with its own 14-day trial.
Fidelia for Mac 2.13 for macOS 14 or later is a free download with a 14-day trial. The full license is US$99.99, and network playback is a US$49.99 add-on.
Fidelia for iPhone and iPad 2.1 for iOS and iPadOS 17 or later is a free download with a 14-day trial. The unlock is US$29.99, and network playback is a US$24.99 add-on.
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