keep empty speech result (#1772)

彭震东

2024-05-30 a64b7d8d8aeb2bb543ca703045a45f42470e9a63

 fun_text_processing/text_normalization/en/verbalizers/verbalize.py

@@ -1,5 +1,3 @@


from fun_text_processing.text_normalization.en.graph_utils import GraphFst
from fun_text_processing.text_normalization.en.verbalizers.abbreviation import AbbreviationFst
from fun_text_processing.text_normalization.en.verbalizers.cardinal import CardinalFst
@@ -19,7 +17,7 @@
class VerbalizeFst(GraphFst):
    """
    Composes other verbalizer grammars.
    For deployment, this grammar will be compiled and exported to OpenFst Finate State Archiv (FAR) File. 
    For deployment, this grammar will be compiled and exported to OpenFst Finate State Archiv (FAR) File.
    More details to deployment at NeMo/tools/text_processing_deployment.

    Args:
@@ -39,7 +37,9 @@
        fraction_graph = fraction.fst
        telephone_graph = TelephoneFst(deterministic=deterministic).fst
        electronic_graph = ElectronicFst(deterministic=deterministic).fst
        measure = MeasureFst(decimal=decimal, cardinal=cardinal, fraction=fraction, deterministic=deterministic)
        measure = MeasureFst(
            decimal=decimal, cardinal=cardinal, fraction=fraction, deterministic=deterministic
        )
        measure_graph = measure.fst
        time_graph = TimeFst(deterministic=deterministic).fst
        date_graph = DateFst(ordinal=ordinal, deterministic=deterministic).fst