Singing voice synthesis：related software

htk_io

This python package allows reading and writing of files in some of the formats
used by Hidden Markov Model Toolkit (HTK) <http://htk.eng.cam.ac.uk/>_ and
HMM-based Speech Synthesis System (HTS) <http://hts.sp.nitech.ac.jp/>_.
The following HTK / HTS file formats are currently supported:

• alignment files (also known as “label” files)
• decision tree question set files
• decision tree files
• raw vector sequence files, used by HTS for storing speech parameter sequences

Alignments, trees, etc are represented in memory using simple python data
structures.
Files in the above formats may be read into, or written from, these python
represen