Project AURIONAI Use-Cases Research & Innovation
NVIDIA
audio classification

MatchboxNet

Small convolutional model for speech command recognition, evaluated on Google Speech Commands.

NVIDIANVIDIAUSA
Figure from the MatchboxNet paper: MatchboxNet BBxRRxCC model: BB - number of blocks, RR - number of sub-blocks, CC - the number of channels.
Levelmodel
Classaudio classification
Parametersnot in the notes
Contextnot in the notes
Released18 Apr 2020
Opennessunknown
Runs onmobile or NPU
Statusactive

R&D Topics

Voice activity, turn and keyword detectionproduced by

Identity

Developer
NVIDIA
Family
not in the notes
Released
18 Apr 2020 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
CNN 1D time-channel separable convolutions
Total parameters
– sources
Active parameters
–
Checkpoint parameters
–
Context length
not in the notes
Input
audio
Output
labels and boxes
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
unknown
Licence
not in the notes sources
Access routes
not in the notes
Where this comes from
The licence file governs over registry tags and aggregator labels.

Deployment

Runs on
mobile or NPU
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/2004.08531 https://arxiv.org/abs/2004.08531
  2. catalog.ngc.nvidia.com/orgs/nvidia/teams/nemo/models/commandrecognit... https://catalog.ngc.nvidia.com/orgs/nvidia/teams/nemo/models/commandrecognition_en_matchboxnet3x1x64_v1

To cite this page: Project AURION, AI Use-Cases Research & Innovation, "MatchboxNet", https://aurion.semai.id/models/nvidia-matchboxnet/, records of October 2026.