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This collection contains large size versions of cache-aware FastConformer-Hybrid (around 114M parameters) with multiple look-ahead support, trained on a large scale english speech.
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These models are trained for streaming ASR which be used for streaming applications with a variety of latencies (0ms, 80ms, 480s, 1040ms).
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All models are hybrid with both Transducer and CTC decoders.
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See the [model architecture](#model-architecture) section and [NeMo documentation](https://docs.nvidia.com/deeplearning/nemo/user-guide/docs/en/main/asr/models.html#conformer-transducer) for complete architecture details.
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## Model Architecture
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## Training
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This collection contains large size versions of cache-aware FastConformer-Hybrid (around 114M parameters) with multiple look-ahead support, trained on a large scale english speech.
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These models are trained for streaming ASR which be used for streaming applications with a variety of latencies (0ms, 80ms, 480s, 1040ms).
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## Model Architecture
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These models are cache-aware versions of Hybrid FastConfomer which are trianed for streaming ASR. You may find more info on cache-aware models here: [Cache-aware Streaming Conformer](https://docs.nvidia.com/deeplearning/nemo/user-guide/docs/en/main/asr/models.html#cache-aware-streaming-conformer).
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The models are trained with multiple look-aheads which makes the model to be able to support different latencies.
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To learn on how to switch between different look-aheads, you may read the documentations on the cache-aware models.
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FastConformer [4] is an optimized version of the Conformer model [1], and
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you may find more information on the details of FastConformer here: [Fast-Conformer Model](https://docs.nvidia.com/deeplearning/nemo/user-guide/docs/en/main/asr/models.html#fast-conformer).
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The model is trained in a multitask setup with joint Transducer and CTC decoder loss. You can find more about Hybrid Transducer-CTC training here: [Hybrid Transducer-CTC](https://docs.nvidia.com/deeplearning/nemo/user-guide/docs/en/main/asr/models.html#hybrid-transducer-ctc).
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You may also find more on how to switch between the Transducer and CTC decoders in the documentations.
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## Training
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