Model reference · open weights

ta_openslr127

Audio espnet Speech→text 1 build Open weights 0 dl/mo

ta_openslr127 is an open-weight audio or speech model from espnet. ta_openslr127 (BF16) weighs 174 MB; the smallest configuration that runs it is RTX 3060 12 GB.

  • ta_openslr127 is an automatic speech recognition model for the Tamil language, developed by espnet.
  • It is trained on the ta_openslr127 recipe and uses a BPE vocabulary of 1000 tokens.
  • The model is released under the cc-by-4.0 license.

Summary of the espnet/ta_openslr127 model card, 2026-10-01

What it is

Released byespnet
Released2026-06-10
VRAM174 MB for the weights

What it runs on

Memory and cards for ta_openslr127 (BF16)

174 MBweights, file size
1.6 GBruntime overhead
CardOne streamMemory
RTX 3060 12 GBfits11.6 GB
RTX 4060 Ti 16 GBfits15.4 GB
RTX 3090 24 GBfits23.4 GB
RTX 4090 24 GBfits23.4 GB
RTX 5090 32 GBfits31.0 GB
L40S 48 GBfits44.0 GB
A100 80 GBfits78.2 GB
H100 80 GBfits78.1 GB
RTX PRO 6000 Blackwell 96 GBfits93.8 GB
DGX Spark (GB10) 128 GB unifiedfits107 GB
H200 141 GBfits138 GB
B200 180 GBfits176 GB

From the model card

What espnet says about ta_openslr127

Read the model card

ESPnet2 ASR model

espnet/ta_openslr127

This model was trained by Rishab Alagharu using ta_openslr127 recipe in espnet.

Demo: How to use in ESPnet2

Follow the ESPnet installation instructions if you haven't done that already.

cd espnet
git checkout 6c28df5d6c8eb82f312642eeeb65a2e94f614b65
pip install -e .
cd egs2/ta_openslr127/asr1
./run.sh --skip_data_prep false --skip_train true --download_model espnet/ta_openslr127

RESULTS

Environments

  • date: Wed Jun 10 07:16:47 CDT 2026
  • python version: 3.10.20 (main, Mar 11 2026, 17:46:40) [GCC 14.3.0]
  • espnet2 version: espnet2 202604
  • pytorch version: pytorch 2.9.1+cu128
  • Git hash: e02e6f79766aa12a13327af8b537543966613500
    • Commit date: Sun Jun 7 11:03:05 2026 -0400

exp/asr_train_asr_raw_ta_bpe1000_accum_grad1_sp

WER

datasetSntWrdCorrSubDelInsErrS.Err
decode_asr_lm_lm_train_lm_ta_bpe1000_valid.loss.ave_asr_model_valid.acc.ave/test_ta120878876785.912.21.92.816.956.4

CER

datasetSntWrdCorrSubDelInsErrS.Err
decode_asr_lm_lm_train_lm_ta_bpe1000_valid.loss.ave_asr_model_valid.acc.ave/test_ta1208780053298.10.91.10.72.756.4

TER

datasetSntWrdCorrSubDelInsErrS.Err
decode_asr_lm_lm_train_lm_ta_bpe1000_valid.loss.ave_asr_model_valid.acc.ave/test_ta1208723607891.95.32.81.09.156.4

exp/asr_train_asr_raw_ta_bpe1000_accum_grad1_sp/decode_asr_lm_lm_train_lm_ta_bpe1000_valid.loss.ave_asr_model_valid.acc.ave

WER

datasetSntWrdCorrSubDelInsErrS.Err
org/dev_ta73336398484.313.72.03.118.863.6

CER

datasetSntWrdCorrSubDelInsErrS.Err
org/dev_ta733357507297.71.11.20.83.063.6

TER

datasetSntWrdCorrSubDelInsErrS.Err
org/dev_ta733317711691.25.83.01.19.963.6

ASR config

config: conf/train_asr.yaml
print_config: false
log_level: INFO
drop_last_iter: false
dry_run: false
iterator_type: sequence
valid_iterator_type: null
output_dir: exp/asr_train_asr_raw_ta_bpe1000_accum_grad1_sp
ngpu: 1
seed: 2022
num_workers: 4
num_att_plot: 3
dist_backend: nccl
dist_init_method: env://
dist_world_size: 4
dist_rank: 0
local_rank: 0
dist_master_addr: localhost
dist_master_port: 60693
dist_launcher: null
multiprocessing_distributed: true
unused_parameters: false
sharded_ddp: false
use_deepspeed: false
deepspeed_config: null
gradient_as_bucket_view: true
ddp_comm_hook: null
cudnn_enabled: true
cudnn_benchmark: false
cudnn_deterministic: true
use_tf32: false
collect_stats: false
write_collected_feats: false
max_epoch: 70
patience: null
val_scheduler_criterion:
- valid
- loss
early_stopping_criterion:
- valid
- loss
- min
best_model_criterion:
-   - valid
    - acc
    - max
keep_nbest_models: 10
nbest_averaging_interval: 0
grad_clip: 5.0
grad_clip_type: 2.0
grad_noise: false
accum_grad: 1
no_forward_run: false
resume: true
train_dtype: float32
use_amp: true
log_interval: null
use_matplotlib: true
use_tensorboard: true
create_graph_in_tensorboard: false
use_wandb: false
wandb_project: null
wandb_id: null
wandb_entity: null
wandb_name: null
wandb_model_log_interval: -1
wandb_allow_val_change: true
detect_anomaly: false
use_adapter: false
adapter: lora
save_strategy: all
adapter_conf: {}
pretrain_path: null
init_param: []
ignore_init_mismatch: false
freeze_param: []
num_iters_per_epoch: null
batch_size: 20
valid_batch_size: null
batch_bins: 16000000
valid_batch_bins: null
category_sample_size: 10
upsampling_factor: 0.5
category_upsampling_factor: 0.5
dataset_upsampling_factor: 0.5
dataset_scaling_factor: 1.2
max_batch_size: null
min_batch_size: 1
train_shape_file:
- exp/asr_stats_raw_ta_bpe1000_sp/train/speech_shape
- exp/asr_stats_raw_ta_bpe1000_sp/train/text_shape.bpe
valid_shape_file:
- exp/asr_stats_raw_ta_bpe1000_sp/valid/speech_shape
- exp/asr_stats_raw_ta_bpe1000_sp/valid/text_shape.bpe
batch_type: numel
valid_batch_type: null
fold_length:
- 80000
- 150
sort_in_batch: descending
shuffle_within_batch: false
sort_batch: descending
multiple_iterator: false
chunk_length: 500
chunk_shift_ratio: 0.5
num_cache_chunks: 1024
chunk_excluded_key_prefixes: []
chunk_default_fs: null
chunk_max_abs_length: null
chunk_discard_short_samples: true
train_data_path_and_name_and_type:
-   - dump/raw/train_ta_sp/wav.scp
    - speech
    - sound
-   - dump/raw/train_ta_sp/text
    - text
    - text
valid_data_path_and_name_and_type:
-   - dump/raw/dev_ta/wav.scp
    - speech
    - sound
-   - dump/raw/dev_ta/text
    - text
    - text
multi_task_dataset: false
allow_variable_data_keys: false
max_cache_size: 0.0
max_cache_fd: 32
allow_multi_rates: false
valid_max_cache_size: null
exclude_weight_decay: false
exclude_weight_decay_conf: {}
optim: adam
optim_conf:
    lr: 0.002
    weight_decay: 1.0e-06
s

Quoted from the model card on Hugging Face. The full card is behind the Hugging Face link above.

How it works

How audio & music work

Audio or textinputAudio modelrecognise / synthesiseText or audiooutputSpeech-to-text turns audio into text; text-to-speech and music models turn text into audio.
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