About Raven Expedition
Raven Expedition is a free tool for generating and viewing long-term spectral averages (LTSA). It helps visualize long durations of audio data to identify patterns and areas of interest in passive acoustic monitoring datasets.
Raven Expedition 1.7.1
Generates and displays long-term spectral averages of audio data.
- By Cornell University
- CC-BY-NC-SA-4.0
- Updated Oct 2, 2026
Technical details
| Publisher | Cornell University |
|---|---|
| Author | Cornell Lab of Ornithology |
| Version | 1.7.1 |
| Release date | 2026-10-02 |
| License | CC-BY-NC-SA-4.0 |
| Installer type | exe |
| Architecture | x64 |
| Package ID | CornellLabOfOrnithology.RavenExpedition |
| Install scope | All users |
Install Raven Expedition from the command line
- Install with Windows Package Manager
winget install --id=CornellLabOfOrnithology.RavenExpedition -e- Update to the latest version
winget upgrade --id=CornellLabOfOrnithology.RavenExpedition -e- Uninstall
winget uninstall --id=CornellLabOfOrnithology.RavenExpedition -e- Silent install with the offline installer
"Raven-Expedition-1.7.1.exe" /quiet /norestart- Install to a custom folder
"Raven-Expedition-1.7.1.exe" INSTALLDIR="D:\Apps\Raven Expedition"- Uninstall the MSI package
msiexec /x {84E9DBF8-BB28-317E-B1D2-3356EA81BC1B} /quiet
Silent install switches for more Windows programs »
Install Raven Expedition together with other apps in one command »
File types supported by Raven Expedition
Raven Expedition can open or be associated with 3 file types:
Raven Expedition version history
1.6.1 Jul 7, 2026
Frequently asked questions
Is Raven Expedition free?
Raven Expedition is cc-by-nc-sa-4.0 software from Cornell University. Check the publisher's license terms for pricing and usage rights.
What is the latest version of Raven Expedition?
The latest version is 1.7.1, released on Oct 2, 2026.
Is it safe to download Raven Expedition?
The download button links to the official installer published on updates.ravensoundsoftware.com, the same file Windows Package Manager installs. You can verify the downloaded file by comparing its SHA-256 checksum with 8ad0764b6fb534bde674e650a3f6cacb0c1755ed5406c6b278ba068e3587775e.
Which Windows versions does Raven Expedition support?
Raven Expedition runs on Windows and is available for 64-bit (x64) systems.
How do I install Raven Expedition silently?
Run the offline installer with "Raven-Expedition-1.7.1.exe" /quiet /norestart, or install it with Windows Package Manager: winget install --id=CornellLabOfOrnithology.RavenExpedition -e --silent.
How do I uninstall Raven Expedition?
Open Settings › Apps › Installed apps, find Raven Expedition and select Uninstall. From the command line, run winget uninstall --id=CornellLabOfOrnithology.RavenExpedition -e.
What file types can Raven Expedition open?
Raven Expedition supports 3 file types, including .ravenltsa, .ravensignal, .raventable.
Alternatives to Raven Expedition
Other Audio programs for Windows from different developers.
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Winamp 5.92.10042
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