Audio Examples

Audio examples for a submission to ICASSP 2025: Generative Speech Foundation Model Pretraining for High-Quality Speech Extraction and Restoration

The pretrained checkpoint can be found at https://huggingface.co/nvidia/sr_ssl_flowmatching_16k_430m

Speech Denoising

Randomly-selected test examples from the VBDMD dataset.

p232_180

Clean

Input


Proposed

p257_153

Clean

Input


Proposed

p232_125

Clean

Input


Proposed

p257_243

Clean

Input


Proposed

p232_153

Clean

Input


Proposed

Speech Denoising

Randomly-selected test examples from the WSJ0_ENH_CHIME dataset.

442c0209_288_snr=-5.6

Clean

Input


Proposed

440c0213_329_snr=3.1

Clean

Input


Proposed

446c020s_606_snr=6.9

Clean

Input


Proposed

447c020i_157_snr=11.3

Clean

Input


Proposed

442o030n_304_snr=1.4

Clean

Input


Proposed

BandWidth Extension

Randomly-selected test examples from the WSJ0_BWE dataset.

440o030h_374_down=2

Clean

Input


Proposed

441o030h_199_down=4

Clean

Input


Proposed

440c020n_354_down=4

Clean

Input


Proposed

446c020a_591_down=4

Clean

Input


Proposed

444c020a_470_down=8

Clean

Input


Proposed

Codec Artifact Removal

Randomly-selected test examples from the WSJ0-DAC dataset.

445o030u_564

Clean

Input(4-notebooks)

8-notebook

12-notebook


Proposed

441c0206_174

Clean

Input(4-notebook)

8-notebook

12-notebook


Proposed

443c020f_64

Clean

Input(4-notebook)

8-notebook

12-notebook


Proposed

446c0203_624

Clean

Input(4-notebook)

8-notebook

12-notebook


Proposed

440c0212_398

Clean

Input(4-notebook)

8-notebook

12-notebook


Proposed

Target Speaker Extraction

Randomly-selected test examples from the Libri2mix dataset.

5142-33396-0057_6930-81414-0011

Clean_spk1

Clean_spk2

Input


Proposed_spk1

Proposed_spk2

260-123288-0008_2830-3980-0056

Clean_spk1

Clean_spk2

Input


Proposed_spk1

Proposed_spk2

7021-79730-0007_908-157963-0028

Clean_spk1

Clean_spk2

Input


Proposed_spk1

Proposed_spk2

3729-6852-0007_8555-284447-0021

Clean_spk1

Clean_spk2

Input


Proposed_spk1

Proposed_spk2

4446-2273-0033_8230-279154-0028

Clean_spk1

Clean_spk2

Input


Proposed_spk1

Proposed_spk2