wav2vec2-base-en-phoneme-ctc-41h

bobboyms/wav2vec2-base-en-phoneme-ctc-41h

wav2vec2-base-en-phoneme-ctc-41h is a automatic speech recognition model from bobboyms. Use it when you need speech turned into text. It is set up for transformers. The card lists the license as apache-2.0.

should probably proofread and complete it, then remove this comment. --

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At a glance

Task: Automatic Speech Recognition
Library: transformers
License: apache-2.0
Model type: wav2vec2
Access: Public
Created: Nov 12, 2025
Updated: Nov 12, 2025
SHA: 04111e5d

Base models

facebook/wav2vec2-base

Model card

From the Hugging Face model README

wav2vec2-base-en-phoneme-ctc-41h

This model is a fine-tuned version of facebook/wav2vec2-base on an unknown dataset. It achieves the following results on the evaluation set:

Loss: 0.2694
Per: 0.1045
Phoneme Accuracy: 0.8955

Model description

More information needed

Intended uses & limitations

More information needed

Training and evaluation data

More information needed

Training procedure

Training hyperparameters

The following hyperparameters were used during training:

learning_rate: 1e-05
train_batch_size: 48
eval_batch_size: 48
seed: 42
optimizer: Use adamw_torch_fused with betas=(0.9,0.999) and epsilon=1e-08 and optimizer_args=No additional optimizer arguments
lr_scheduler_type: linear
lr_scheduler_warmup_steps: 300
num_epochs: 50
mixed_precision_training: Native AMP

Training results

Training Loss	Epoch	Step	Validation Loss	Per	Phoneme Accuracy
No log	1.0	398	3.8986	0.9980	0.0020
6.7922	2.0	796	3.5634	0.9980	0.0020
3.5948	3.0	1194	3.5295	0.9981	0.0019
3.5277	4.0	1592	3.4807	0.9981	0.0019
3.5277	5.0	1990	1.8312	0.4890	0.5110
2.9905	6.0	2388	0.8498	0.2052	0.7948
1.2882	7.0	2786	0.6013	0.1659	0.8341
0.7483	8.0	3184	0.5015	0.1492	0.8508
0.5721	9.0	3582	0.4318	0.1383	0.8617
0.5721	10.0	3980	0.3960	0.1314	0.8686
0.4794	11.0	4378	0.3599	0.1275	0.8725
0.4192	12.0	4776	0.3427	0.1232	0.8768
0.3798	13.0	5174	0.3269	0.1207	0.8793
0.3458	14.0	5572	0.3206	0.1185	0.8815
0.3458	15.0	5970	0.3014	0.1163	0.8837
0.323	16.0	6368	0.2953	0.1151	0.8849
0.3044	17.0	6766	0.2860	0.1136	0.8864
0.2873	18.0	7164	0.2822	0.1120	0.8880
0.2748	19.0	7562	0.2821	0.1116	0.8884
0.2748	20.0	7960	0.2734	0.1104	0.8896
0.26	21.0	8358	0.2681	0.1094	0.8906
0.2508	22.0	8756	0.2735	0.1092	0.8908
0.2411	23.0	9154	0.2719	0.1090	0.8910
0.2335	24.0	9552	0.2719	0.1086	0.8914
0.2335	25.0	9950	0.2642	0.1081	0.8919
0.226	26.0	10348	0.2668	0.1079	0.8921
0.2199	27.0	10746	0.2577	0.1072	0.8928
0.2147	28.0	11144	0.2662	0.1076	0.8924
0.2084	29.0	11542	0.2638	0.1073	0.8927
0.2084	30.0	11940	0.2631	0.1068	0.8932
0.2032	31.0	12338	0.2658	0.1064	0.8936
0.1983	32.0	12736	0.2715	0.1069	0.8931
0.1981	33.0	13134	0.2639	0.1062	0.8938
0.1918	34.0	13532	0.2673	0.1061	0.8939
0.1918	35.0	13930	0.2585	0.1055	0.8945
0.187	36.0	14328	0.2705	0.1059	0.8941
0.1838	37.0	14726	0.2722	0.1060	0.8940
0.183	38.0	15124	0.2633	0.1053	0.8947
0.1804	39.0	15522	0.2724	0.1055	0.8945
0.1804	40.0	15920	0.2612	0.1048	0.8952
0.1786	41.0	16318	0.2659	0.1049	0.8951
0.1755	42.0	16716	0.2691	0.1049	0.8951
0.1746	43.0	17114	0.2664	0.1047	0.8953
0.1743	44.0	17512	0.2689	0.1047	0.8953
0.1743	45.0	17910	0.2651	0.1045	0.8955
0.1714	46.0	18308	0.2705	0.1047	0.8953
0.1682	47.0	18706	0.2667	0.1044	0.8956
0.1707	48.0	19104	0.2710	0.1046	0.8954
0.1674	49.0	19502	0.2687	0.1045	0.8955
0.1674	50.0	19900	0.2694	0.1045	0.8955

Framework versions

Transformers 4.57.1
Pytorch 2.9.0+cu128
Datasets 4.4.1
Tokenizers 0.22.1

Task: Automatic Speech Recognition
Library: transformers
Type: wav2vec2
License: apache-2.0
Created: Nov 12, 2025
Updated: Nov 12, 2025