No known security advisories.
The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
nnaudio has 241K monthly downloads and 1K GitHub stars. Version 0.3.4 supports Python 3.6+, first published in 2019.
It is stably maintained under a permissive license, last released in Dec 2025.
It is used by 10 tracked packages, including bigvgan, stable-audio-tools and flamo.
GitHub topics include spectrogram-conversion-toolbox, pytorch and audio-processing.
Package Insights
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
40
Popularity
62
Adoption
53
Community
20
Provenance
0
How the maintenance status was determined
Last commit
47 days ago
Monthly downloads
240,638
Active
Activity within 30 days
•
Stable
Activity within 31-180 days
Minimal
Activity within 181-365 days, or no activity data
At Risk
No activity for > 365 days, but > 10,000 monthly downloads
Archived
Repository flagged as archived on GitHub
How the popularity category was determined
Monthly downloads
240,638
Stars
1,127
Stars per 1k downloads
4.68
Industry Standard
> 10,000,000 monthly downloads
Hidden Gem
< 0.5 stars per 1k downloads and > 100,000 monthly downloads
Community Favorite
> 5 stars per 1k downloads
•
Rising Star
Balanced ratio of stars to downloads
Unknown
Fewer than 1,000 monthly downloads, or no star data
How download momentum is calculated
Week daily avg
4,286
Month daily avg
8,021
Momentum
-46.6%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100Python version support tiers
requires_python
>=3.6
Cutting Edge
Minimum supported version is 3.12 or newer
Modern
Minimum supported version is 3.9, 3.10, or 3.11
•
Legacy
Supports 3.8 or older (or Python 2)
Unknown
No requires_python specified or unparseable
License categories
License
MIT License
•
Permissive
MIT, Apache, BSD, ISC, Unlicense, CC0, etc.
Copyleft
GPL, LGPL, AGPL, MPL, EPL, etc.
Proprietary
Commercial, all rights reserved, custom EULAs
Unknown
No license specified, or none of the above match
How the release cadence was determined
Last release
211 days ago
Total releases
1
Releases/year
0.2
Rapid
Last release within 365 days and > 12 releases/year
•
Regular
Last release within 365 days
Slow
Last release 366-730 days ago
Stalled
Last release > 730 days ago, or no releases
Unknown
No usable release date available
How contributor risk was determined
Contributors
15
Monthly downloads
240,638
High Load
≤ 2 contributors and ≥ 50,000 monthly downloads
Moderate Load
< 10 contributors and ≥ 500,000 monthly downloads
Low Load
< 25 contributors and ≥ 5,000,000 monthly downloads, or sole maintainer with ≥ 10,000 monthly downloads
•
Balanced
Enough contributors for the package's popularity
Unknown
No contributor data available
Engagement
29
Issue Burden
18.6
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
15.5%
contrib / forks
Stale Release
164d
PR Velocity
Quiet
Weekly Downloads
GitHub Stars
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
1.4K
Windows
167
macOS
76
Python Versions
3.12
38.8%
649
3.13
18.9%
317
3.10
16.3%
273
3.11
16.3%
273
3.14
9.7%
162
Top Countries
1.
US
1.2K
US
2.
SG
120
SG
3.
NL
41
NL
4.
GB
30
GB
5.
JP
24
JP
6.
CN
19
CN
7.
FR
19
FR
8.
DE
18
DE
9.
IN
17
IN
10.
CA
14
CA
Dependencies
0
No dependencies
GitHub Topics
Tags from the package's GitHub repository describing what it does.
Package Information
License
MIT License
First Release
November 13, 2019
Last Release
7 months ago
Last Commit
1 month ago
Latest Version
0.3.4
Total Releases
1
Contributors
15
Open PRs
0
Archived
No
Author
KinWaiCheuk
Python Versions
3
Wheels
py3
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh