nanocodec

https://huggingface.co/nvidia/nemo-nano-codec-22khz-1.89kbps-21.5fps

Bitrate: 1.89 kbps

Model size: 62.6 M params

Language	Mel L1	PESQ	STOI	Speaker sim
All languages	0.49 ± 0.05	2.37 ± 0.51	0.89 ± 0.07	0.86 ± 0.06
Arabic	0.49 ± 0.04	2.42 ± 0.52	0.89 ± 0.07	0.85 ± 0.06
Armenian	0.48 ± 0.05	2.30 ± 0.48	0.88 ± 0.08	0.85 ± 0.07
Azerbaijani	0.47 ± 0.04	2.45 ± 0.51	0.90 ± 0.05	0.86 ± 0.07
Chinese	0.51 ± 0.06	2.29 ± 0.57	0.90 ± 0.07	0.87 ± 0.06
Croatian	0.51 ± 0.04	2.68 ± 0.58	0.90 ± 0.06	0.86 ± 0.06
Danish	0.49 ± 0.06	2.33 ± 0.52	0.88 ± 0.07	0.86 ± 0.06
Dutch	0.48 ± 0.04	2.28 ± 0.47	0.89 ± 0.06	0.87 ± 0.06
English	0.49 ± 0.06	2.37 ± 0.62	0.89 ± 0.08	0.86 ± 0.06
Estonian	0.48 ± 0.04	2.48 ± 0.53	0.90 ± 0.06	0.86 ± 0.07
Finnish	0.50 ± 0.05	2.41 ± 0.52	0.88 ± 0.07	0.88 ± 0.06
French	0.48 ± 0.04	2.37 ± 0.37	0.91 ± 0.05	0.87 ± 0.04
German	0.48 ± 0.04	2.26 ± 0.46	0.89 ± 0.05	0.88 ± 0.04
Greek	0.53 ± 0.08	1.71 ± 0.47	0.82 ± 0.10	0.74 ± 0.09
Hungarian	0.47 ± 0.02	2.65 ± 0.49	0.92 ± 0.04	0.90 ± 0.02
Icelandic	0.50 ± 0.05	2.40 ± 0.46	0.90 ± 0.05	0.85 ± 0.07
Italian	0.49 ± 0.06	2.44 ± 0.48	0.90 ± 0.07	0.87 ± 0.06
Japanese	0.50 ± 0.06	2.19 ± 0.58	0.86 ± 0.10	0.84 ± 0.07
Latvian	0.47 ± 0.05	2.51 ± 0.50	0.91 ± 0.05	0.87 ± 0.04
Lithuanian	0.48 ± 0.04	2.19 ± 0.48	0.86 ± 0.09	0.85 ± 0.06
Macedonian	0.45 ± 0.05	2.36 ± 0.29	0.83 ± 0.20	0.90 ± 0.03
Norwegian	0.49 ± 0.04	2.54 ± 0.41	0.89 ± 0.06	0.89 ± 0.03
Norwegian Nynorsk	0.51 ± 0.10	2.59 ± 1.02	0.91 ± 0.10	0.86 ± 0.07
Persian	0.51 ± 0.06	2.40 ± 0.53	0.89 ± 0.10	0.85 ± 0.07
Polish	0.57 ± 0.06	1.25 ± 0.30	0.66 ± 0.18	0.53 ± 0.22
Portuguese	0.58 ± 0.00	1.84 ± 0.00	0.82 ± 0.00	0.80 ± 0.00
Russian	0.49 ± 0.05	2.25 ± 0.54	0.89 ± 0.05	0.88 ± 0.03
Serbian	0.48 ± 0.05	2.26 ± 0.37	0.89 ± 0.04	0.88 ± 0.04
Slovenian	0.49 ± 0.03	2.40 ± 0.41	0.90 ± 0.02	0.85 ± 0.06
Spanish	0.50 ± 0.05	2.19 ± 0.42	0.89 ± 0.06	0.88 ± 0.06
Swedish	0.49 ± 0.05	2.49 ± 0.49	0.90 ± 0.06	0.89 ± 0.05
Turkish	0.49 ± 0.05	2.37 ± 0.53	0.89 ± 0.07	0.86 ± 0.06
Ukrainian	0.49 ± 0.03	2.24 ± 0.51	0.88 ± 0.06	0.86 ± 0.06
Urdu	0.49 ± 0.04	2.45 ± 0.46	0.90 ± 0.07	0.88 ± 0.05