---
name: "open_jtalk"
section: "1"
platform: "linux"
package: "open-jtalk"
version: "1.11-5"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/open_jtalk"
---

# open\_jtalk(1)

Japanese TTS system

## NAME

open\_jtalk — Japanese TTS system

## SYNOPSIS

**open\_jtalk** \[**options**\]  \[**infile**\]

## DESCRIPTION

This manual page documents briefly the  **open\_jtalk** command.

This manual page was written for the **Debian** distribution  because the original program does not have a manual page.  Instead, it has documentation in the GNU       **Info** format; see below.

**open\_jtalk** is a program that synthesize  speech waveform from Japanese texts. It uses HMMs trained by  the HMM-based speech synthesis system (HTS).

## OPTIONS

A summary of options is included below.

- **-x dir**

  dictionary directory

- **-m htsvoice**

  HTS voice files

- **-ow s**

  filename of output wav audio (generated speech)

- **-ot s**

  filename of output trace information

- **-s i**

  sampling frequency \[ auto\]\[   1--    \]

- **-p i**

  frame period (point) \[ auto\]\[   1--    \]

- **-a f**

  all-pass constant \[ auto\]\[ 0.0-- 1.0\]

- **-b f**

  postfiltering coefficient \[  0.0\]\[ 0.0-- 1.0\]

- **-r f**

  speech speed rate \[  1.0\]\[ 0.0--    \]

- **-fm f**

  additional half-tone \[  0.0\]\[    --    \]

- **-u f**

  voiced/unvoiced threshold \[  0.5\]\[ 0.0-- 1.0\]

- **-jm f**

  weight of GV for spectrum \[  1.0\]\[ 0.0--    \]

- **-jf f**

  weight of GV for log F0 \[  1.0\]\[ 0.0--    \]

- **-z i**

  audio buffer size (if i==0, turn off) \[    0\]\[   0--    \]

- **infile**

  text file \[stdin\]

## EXAMPLE

If you installed hts-voice-nitech-jp-atr503-m001 in the current  directory, the following command let you make a voice file from  input.txt:

```
% open_jtalk -s 48000 -p 240 -a 0.55 \
-m nitech_jp_atr503_m001.htsvoice \
-ow output.wav \
-x dic_dir input.txt
```

## AUTHOR

This manual page was written by Koichi Akabe vbkaisetsu@gmail.com for  the **Debian** system (and may be used by others).  Permission is  granted to copy, distribute and/or modify this document under  the terms of the GNU General Public License, Version 2 any  later version published by the Free Software Foundation.

On Debian systems, the complete text of the GNU General Public  License can be found in /usr/share/common-licenses/GPL.