mirror of
https://github.com/cmusphinx/sphinxtrain.git
synced 2026-06-16 13:14:30 +00:00
dhdfu
2e84e9382c
git-svn-id: svn+ssh://svn.code.sf.net/p/cmusphinx/code/trunk/SphinxTrain@9613 94700074-3cef-4d97-a70e-9c8c206c02f5
49 lines
1.4 KiB
Python
49 lines
1.4 KiB
Python
# Copyright (c) 2006 Carnegie Mellon University
|
|
#
|
|
# You may copy and modify this freely under the same terms as
|
|
# Sphinx-III
|
|
|
|
"""Read/write Sphinx-III LDA/MLLT/covariance files.
|
|
|
|
This module reads and writes the linear transformation files used by
|
|
Sphinx-III.
|
|
"""
|
|
|
|
__author__ = "David Huggins-Daines <dhuggins@cs.cmu.edu>"
|
|
__version__ = "$Revision$"
|
|
|
|
from s3file import S3File, S3File_write
|
|
|
|
class S3LDAFile(S3File):
|
|
"Read Sphinx-III format LDA files"
|
|
def __init__(self, file, mode):
|
|
S3File.__init__(self, file, mode)
|
|
self._params = self._load()
|
|
|
|
def readgauheader(self):
|
|
if self.fileattr["version"] != "0.1":
|
|
raise Exception("Version mismatch: must be 0.1 but is "
|
|
+ self.fileattr["version"])
|
|
|
|
def _load(self):
|
|
self.readgauheader()
|
|
self.fh.seek(self.data_start, 0)
|
|
return self.read3d()
|
|
|
|
class S3LDAFile_write(S3File_write):
|
|
"Write Sphinx-III format LDA files"
|
|
def __init__(self, filename=None, mode="wb", attr={"version":0.1}):
|
|
S3File_write.__init__(self, filename, mode, attr)
|
|
|
|
def writeall(self, stuff):
|
|
self.write3d(stuff)
|
|
|
|
def open(filename, mode="rb"):
|
|
if mode in ("r", "rb"):
|
|
return S3LDAFile(filename, mode)
|
|
elif mode in ("w", "wb"):
|
|
return S3LDAFile_write(filename, mode)
|
|
else:
|
|
raise Exception, "mode must be 'r', 'rb', 'w', or 'wb'"
|
|
|