RIRs and Noises (SLR28)

by JHU CLSP

Room impulse responses + isotropic noises — reverberation augmentation set.

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TL;DR

Best for reverberation augmentation for far-field ASR + speaker verification. Pricing: free.

Category
Open source
License
—
Stars
—
Last push
—
Pricing
free
Platforms
OpenSLR

What it is

OpenSLR-28 bundles simulated + real RIRs + isotropic noise samples for far-field ASR data augmentation. The companion to MUSAN in Kaldi recipes. License: Apache-2.0.

Best for: Reverberation augmentation for far-field ASR + speaker verification.
Watch out for: Apache-2.0 · simulated + real RIRs · used in Kaldi recipes universally. Cite: Ko et al., ICASSP 2017.

Install / use

Go to RIRs and Noises (SLR28) www.openslr.org

Features

Speaker diarizationNo
Word-level timestampsNo
Streaming / real-timeNo
Languages supported0
HIPAA eligibleNo

RIRs and Noises (SLR28) vs Whipscribe

FeatureRIRs and Noises (SLR28)Whipscribe
CategoryOpen sourceTranscription APIs
Pricingfree$4–$24 one-time packs (credits never expire) · $2 single unlock · 60 min free on signup
Speaker diarizationNoYes
Word timestampsNoYes
StreamingNoNo
Languages099
PlatformsOpenSLRWeb, API, MCP

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