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ResearchFormerly WizWand

Bandwidth extension

Benchmarks

DatasetSOTA methodMetricTrendResultsLast updated

VCTK 8 kHz to 44.1 kHz (test)

Target (HR Speech)

4.73VISQOL

10

Mar 4, 2026

TIMIT 8 kHz to 16 kHz (test)

Target (HR Speech)

4.51VISQOL

10

Mar 4, 2026

0.94STFT-D

9

Jun 29, 2026

VCTK-BWE BW=4K (test)

ResembleEnhance

4.439WVMOS

7

Feb 26, 2026

VCTK-BWE BW=2K (test)

4.306WVMOS

7

Feb 26, 2026

VCTK 16 kHz -> 48 kHz v0.92 (test)

0.705LSD

6

Jun 8, 2026

VCTK 4 kHz -> 48 kHz v0.92 (test)

0.877LSD

6

Jun 8, 2026

VCTK-BWE BW=1K (test)

4.154WVMOS

6

Feb 26, 2026

3.6CSIG

4

Feb 26, 2026

Noisy vibration sensor data

0.85LSD

2

Mar 10, 2026

WSJ0-BWE (test)

4.29WVMOS

2

Feb 26, 2026