Project AURIONAI Use-Cases Research & Innovation
audio classification

MAEST

Music audio transformers trained on Discogs labels for music representation and style tagging; also in Essentia.

Universitat Pompeu Fabra (Music Technology Group)Universitat Pompeu Fabra (Music Technology Group)
Universitat Pompeu Fabra (Music Technology Group)
Levelmodel
Classaudio classification
Parameters86.86M
Contextnot in the notes
Released28 Sep 2023
Opennessopen weights restricted
Runs onnot in the notes
Statusactive

R&D Topics

General audio and music representation learningproduced by

Identity

Developer
Universitat Pompeu Fabra (Music Technology Group)
Family
not in the notes
Released
28 Sep 2023 sourcesannouncement page
Weights published
–
Record checked
12 Oct 2026
Where this comes from
Developer and dates from the research notes. Release date is the vendor's public announcement; weights date is when open weights were published.

Architecture and Size

Architecture
dense transformer
Total parameters
86.86M sources
Active parameters
–
Checkpoint parameters
–
Context length
not in the notes
Input
audio
Output
not in the notes
Where this comes from
Parameter counts as the developer states them. Where the checkpoint holds a different total, both are shown (register A16).

Openness and Access

Openness
open weights restricted
Licence
Creative Commons Attribution-NonCommercial-ShareAlike 4.0 sources
Access routes
open weights download
Where this comes from
The licence file governs over registry tags and aggregator labels.

Deployment

Runs on
not in the notes
Footprint
not in the notes
Runtimes
not in the notes
Where this comes from
Deployment tiers and runtimes as named in the notes. Footprint is the notes' figure, not a measurement by AURION.

Indonesia

Indonesian support
not stated
Regional languages
not in the notes
Jakarta hosting
unknown
Languages
not in the notes
Where this comes from
Indonesia fields are carried on every model; unknown is an allowed value.

Benchmark Results

The notes record no benchmark result for this model.

Lineage

The notes record no lineage for this model.

Industry Use Cases

No industry use case links this model.

Sources

  1. arxiv.org/abs/2309.16418 https://arxiv.org/abs/2309.16418
  2. huggingface.co/mtg-upf/discogs-maest-30s-pw-129e https://huggingface.co/mtg-upf/discogs-maest-30s-pw-129e

To cite this page: Project AURION, AI Use-Cases Research & Innovation, "MAEST", https://aurion.semai.id/models/universitat-pompeu-fabra-maest/, records of October 2026.