update hypothesis when passed through cfg (NVIDIA-NeMo#11366)

Signed-off-by: Nithin Rao Koluguri <nithinraok>
Co-authored-by: Nithin Rao Koluguri <nithinraok>

Author: nithinraok

examples/asr/transcribe_speech.py

@@ -275,6 +275,8 @@ def main(cfg: TranscriptionConfig) -> Union[TranscriptionConfig, List[Hypothesis
 
     # we will adjust this flag if the model does not support it
     compute_langs = cfg.compute_langs
+    if cfg.timestamps:
+        cfg.return_hypotheses = True
 
     # Check whether model and decoder type match
     if isinstance(asr_model, EncDecCTCModel):

nemo/collections/asr/models/ctc_models.py

@@ -160,6 +160,7 @@ def transcribe(
             A list of transcriptions (or raw log probabilities if logprobs is True) in the same order as 
             paths2audio_files
         """
+        timestamps = timestamps or override_config.timestamps if override_config is not None else None
         if timestamps is not None:
             # else retain the decoder state (users can set it using change_decoding_strategy)
             if timestamps or (override_config is not None and override_config.timestamps):

nemo/collections/asr/models/rnnt_models.py

@@ -285,7 +285,7 @@ def transcribe(
             * A list of greedy transcript texts / Hypothesis
             * An optional list of beam search transcript texts / Hypothesis / NBestHypothesis.
         """
-
+        timestamps = timestamps or override_config.timestamps if override_config is not None else None
         if timestamps is not None:
             if timestamps or (override_config is not None and override_config.timestamps):
                 logging.info(