End-to-end SLU model for Timers and Such

Attention-based RNN sequence-to-sequence model for Timers and Such trained on the train-real subset. This model checkpoint achieves 86.7% accuracy on test-real.

The model uses an ASR model trained on LibriSpeech (speechbrain/asr-crdnn-rnnlm-librispeech) to extract features from the input audio, then maps these features to an intent and slot labels using a beam search.

The dataset has four intents: SetTimer, SetAlarm, SimpleMath, and UnitConversion. Try testing the model by saying something like "set a timer for 5 minutes" or "what's 32 degrees Celsius in Fahrenheit?"

You can try the model on the math.wav file included here as follows:

from speechbrain.pretrained import EndToEndSLU
slu = EndToEndSLU.from_hparams("speechbrain/slu-timers-and-such-direct-librispeech-asr")

The system is trained with recordings sampled at 16kHz (single channel). The code will automatically normalize your audio (i.e., resampling + mono channel selection) when calling decode_file if needed. Make sure your input tensor is compliant with the expected sampling rate if you use decode_batch and decode_batch.

Inference on GPU

To perform inference on the GPU, add run_opts={"device":"cuda"} when calling the from_hparams method.


The model was trained with SpeechBrain (d254489a). To train it from scratch follows these steps:

  1. Clone SpeechBrain:

    git clone https://github.com/speechbrain/speechbrain/
  2. Install it:

    cd speechbrain
    pip install -r requirements.txt
    pip install -e .
  3. Run Training:

    cd  recipes/timers-and-such/direct
    python train.py hparams/train.yaml --data_folder=your_data_folder

You can find our training results (models, logs, etc) here.


The SpeechBrain team does not provide any warranty on the performance achieved by this model when used on other datasets.

Referencing SpeechBrain

  title={{SpeechBrain}: A General-Purpose Speech Toolkit},
  author={Mirco Ravanelli and Titouan Parcollet and Peter Plantinga and Aku Rouhe and Samuele Cornell and Loren Lugosch and Cem Subakan and Nauman Dawalatabad and Abdelwahab Heba and Jianyuan Zhong and Ju-Chieh Chou and Sung-Lin Yeh and Szu-Wei Fu and Chien-Feng Liao and Elena Rastorgueva and François Grondin and William Aris and Hwidong Na and Yan Gao and Renato De Mori and Yoshua Bengio},

Referencing Timers and Such

      title={{Timers and Such: A Practical Benchmark for Spoken Language Understanding with Numbers}}, 
      author={Lugosch, Loren and Papreja, Piyush and Ravanelli, Mirco and Heba, Abdelwahab and Parcollet, Titouan},
      journal={NeurIPS Datasets and Benchmarks}

About SpeechBrain

SpeechBrain is an open-source and all-in-one speech toolkit. It is designed to be simple, extremely flexible, and user-friendly. Competitive or state-of-the-art performance is obtained in various domains.

Website: https://speechbrain.github.io/

GitHub: https://github.com/speechbrain/speechbrain

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