def HTKFeatureDeserializer(streams):
'''
Configures the HTK feature reader that reads speech data from scp files.
Args:
streams: any dictionary-like object that contains a mapping from stream
names to :class:`StreamDef` objects. Each StreamDef object configures
a feature stream.
'''
feat = []
for stream_name, stream in streams.items():
if stream.stream_alias is not None:
raise ValueError(
"HTKFeatureDeserializer does not support stream names")
if 'scp' not in stream:
raise ValueError(
"No scp files specified for HTKFeatureDeserializer")
dimension = stream.dim
scp_file = stream['scp']
broadcast = stream['broadcast'] if 'broadcast' in stream else False
defines_mb_size = stream.get('defines_mb_size', False)
left_context, right_context = stream.context if 'context' in stream\
else (0, 0)
htk_config = cntk_py.HTKFeatureConfiguration(stream_name, scp_file,
dimension, left_context,
right_context, broadcast,
defines_mb_size)
feat.append(htk_config)
if len(feat) == 0:
raise ValueError("no feature streams found")
return cntk_py.htk_feature_deserializer(feat)
def HTKFeatureDeserializer(streams):
'''
Configures the HTK feature reader that reads speech data from scp files.
Args:
streams: any dictionary-like object that contains a mapping from stream
names to :class:`StreamDef` objects. Each StreamDef object configures
a feature stream.
'''
feat = []
for stream_name, stream in streams.items():
if stream.stream_alias is not None:
raise ValueError("HTKFeatureDeserializer does not support stream names")
if 'scp' not in stream:
raise ValueError("No scp files specified for HTKFeatureDeserializer")
dimension = stream.dim
scp_file = stream['scp']
broadcast = stream['broadcast'] if 'broadcast' in stream else False
defines_mb_size = stream.get('defines_mb_size', False)
left_context, right_context = stream.context if 'context' in stream\
else (0, 0)
htk_config = cntk_py.HTKFeatureConfiguration(stream_name, scp_file,
dimension, left_context,
right_context, broadcast,
defines_mb_size)
feat.append(htk_config)
if len(feat) == 0:
raise ValueError("no feature streams found")
return cntk_py.htk_feature_deserializer(feat)
