Debian Accessibility Project
Summary
Speech Synthesis
Debian Accessibility Speech Synthesis

This metapackage will install packages which are useful for Speech Synthesis and related APIs or applications.

Description

For a better overview of the project's availability as a Debian package, each head row has a color code according to this scheme:

If you discover a project which looks like a good candidate for Debian Accessibility to you, or if you have prepared an unofficial Debian package, please do not hesitate to send a description of that project to the Debian Accessibility mailing list

Links to other tasks

Debian Accessibility Speech Synthesis packages

Official Debian packages with high relevance

daisy-player
Abspieler für DAISY-Hörbücher
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Daisy-player ist ein Abspieler auf der Kommandozeile für Hörbücher, die das »Digital Accessible Information System«-Protokoll (DAISY) verwenden. In Funktionen, Features und Bedienungskomfort ist er mit kommerziellen Abspielern vergleichbar. Das Programm hat eine einfache Bedienungsoberfläche, die sich für Braille-Terminals eignet.

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eflite
Ein auf Festival-Lite basierender Sprachserver für Emacspeak
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Der Sprachserver EFlite ermöglicht Emacspeak und anderen Bildschirmvorleseprogrammen den Zugriff auf das freie Sprachsyntheseprogramm Festival Lite. Festival Lite wurde am CMU-Sprachzentrum als Sprössling von Festival entwickelt.

Aufgrund der von seinem Backend geerbten Beschränkungen unterstützt EFlite derzeit nur die englische Sprache.

espeak
Programm zur mehrsprachigen Sprachsynthese
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eSpeak ist ein Sprachsynthese-Programm für Englisch und einige weitere Sprachen.

eSpeak erzeugt englische Sprache in guter Qualität. Die genutzte Synthesemethode unterscheidet eSpeak von anderen Open-Source-Programmen zur Spracherzeugung. Der Klang ist daher ganz anders. Vielleicht nicht so natürlich und weich, aber mancher empfindet die Artikulation als deutlicher und auf längere Zeit einfacher zu hören.

Es kann als Kommandozeilenprogramm zur Ausgabe eines Textes aus einer Datei oder von der Standardeingabe laufen.

  • Enthält verschiedene Stimmen mit änderbaren Charakteristika.
  • Kann Sprache in eine WAV-Datei ausgeben.
  • Kann Text in Phonemcodes übersetzen, womit es als Frontend für andere Sprachsyntheseprogramme angepasst werden kann.
  • Andere Sprachen sind möglich; mehr als 40 Sprachen liegen bei.
  • Sehr kompakt. Das Programm und seine Daten benötigen ungefähr 350kB.
  • In C++ geschrieben.
flite
Kleines Programm zur Laufzeit-Sprachsynthese
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Flite ist ein kleines, schnelles Programm zur Laufzeit-Sprachsynthese. Es ist der neueste Bestandteil der Sammlung von freien Software-Synthese-Werkzeugen, die das Sprachsynthese-System Festival der University of Edinburgh, das FestVox-Projekt der Carnegie Mellon University, Werkzeuge, Skripte und Dokumentation zum Erstellen synthetischer Stimmen beinhaltet. Allerdings benötigt Flite selbst keins dieser Systeme, um benutzt zu werden.

Derzeit unterstützt es nur die englische und die indischen Sprachen.

Dieses Paket enthält die Programme und die englischsprachige Dokumentation.

speech-dispatcher
Gemeinsame Schnittstelle zu Sprachsynthesizern
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Speech Dispatcher bietet eine geräteunabhängige Schicht für Sprachsynthese. Er unterstützt verschiedene Software- und Hardware-Sprachsynthesizer als Backends und bietet Anwendungen eine generische Schicht für die Sprachsynthese und Wiedergabe von PCM-Daten über verschiedene Backends.

Verschiedene fortgeschrittene Konzepte wie Einreihen (enqueuing) vs. Sprachunterbrechung und anwendungsspezifische Benutzer-Konfigurationen wurden in einer geräteunabhängigen Weise umgesetzt. Das befreit den Anwendungsprogrammierer davon, noch einmal das Rad neu zu erfinden.

Dieses Paket enthält das eigentliche Programm.

speech-tools
Edinburgh Speech Tools - user binaries
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This package contains the various highly useful utility programs that use and accompany the Edinburgh Speech Tools Library. Audio software and some basic signal processing software is included in this package.

The following programs are available: na_play: generic playback program for use with net_audio and CSTR ao. ch_wave: Waveform file conversion program. ch_lab: label file conversion program. ch_track: Track file conversion program. wagon: a CART tree build and test program

See /usr/share/doc/speech-tools/README for detail list of programs available.

Official Debian packages with lower relevance

festvox-ru
Russian male speaker for Festival
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This package provides Russian support to Festival speech synthesis system.

freetts
Sprachsynthese-System
Maintainer: Bdale Garbee
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FreeTTS ist ein Sprachsynthese-System, das vollständig in der Programmiersprache Java(TM) geschrieben ist. Es basiert auf Flite, einer an der Carnegie Mellon University entwickelten kleinen, Laufzeit-Engine zur Sprachsynthese. Flite wiederum ist abgeleitet vom Festival Speech Synthesis System der University of Edinburgh und dem Projekt FestVox der Carnegie Mellon University.

gespeaker
GTK+ front-end for eSpeak and mbrola
Maintainer: Fabio Castelli
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Gespeaker is a GTK+ frontend for eSpeak and mbrola. It allows one to play a text in many languages with settings for voice, pitch, volume, speed and word gap.

Since version 0.6 it can use mbrola package and voices to obtain a more realistic text reading experience.

recite
Sprachsynthesizer für englischen Text
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Recite ist ein Programm zur Sprachsynthese. Die von ihm erzeugte Tonqualität ist nicht sonderlich gut, sollte aber ausreichen, um die gelegentliche Fehlermeldung sprachlich bekannt zu geben.

Recite konvertiert englischen Text in eine Reihe Phoneme, konvertiert die Phoneme in eine Folge vokaler Tract-Parameter und synthetisiert dann den Ton, den ein vokaler Tract machen würde, um den Satz auszusprechen. Recite kann eine Untermenge dieser Operationen ausführen, d.h. es kann dafür benutzt werden, Text in Phoneme zu übersetzen oder etwas anhand von vokalen Tract-Parametern, die von einem anderen Programm erzeugt wurden, auszusprechen.

saytime
Spricht die aktuelle Zeit über Ihre Soundkarte
Maintainer: Holger Levsen
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»saytime« sagt die aktuelle Zeit über Ihre Soundkarte an. Benötigt wird ein Sound-Ausgabegerät.

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sonic
Einfaches Dienstprogramm zur Beschleunigung oder Verlangsamung von Sprache
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Sonic ist ein sehr einfaches Dienstprogramm, das WAV-Dateien liest und schreibt, beschleunigt oder verlangsamt, bei geringer Verzerrung. Das wichtigste neue Merkmal in Sonic im Vergleich zu anderen Bibliotheken ist eine sehr hohe Qualität bei Beschleunigungsfaktoren weit über 2X.

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speech-dispatcher-festival
Festival support for Speech Dispatcher
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Speech Dispatcher provides a device independent layer for speech synthesis. It supports various software and hardware speech synthesizers as backends and provides a generic layer for synthesizing speech and playing back PCM data via those different backends to applications.

Various high level concepts like enqueueing vs. interrupting speech and application specific user configurations are implemented in a device independent way, therefore freeing the application programmer from having to yet again reinvent the wheel.

This package contains dependencies on packages necessary for running Speech Dispatcher with Festival.

Debian packages in contrib or non-free

cicero
French and English Text-To-Speech for MBROLA
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This Text-To-Speech (TTS) engine speaks French; a preliminary English support is also offered. The engine uses context-sensitive rules to produce phonemes from the text. It relies on MBROLA to generate actual audio output from the phonemes. The TTS engine is implemented using the Python programming language.

The upstream authors have come up with this TTS to try and meet their own needs as blind users. It's designed to be plugged as output to some screen-review software, firstly with BRLTTY. They favor speed and intelligibility over perfect pronunciation. Cicero is aimed to have a quick response time, the ability to quickly shut-up and skip to another utterance, intelligibility where it counts (not perfect pronunciation), the ability to track speech progression, relative simplicity (hackability) and relative small code size.

gnome-speech-dectalk
GNOME text-to-speech library (Fonix DECtalk engine support)
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The GNOME Speech library gives a simple yet general API for programs to convert text into speech, as well as speech input.

This package provides the source code required to compile a driver for the commercial DECtalk software speech synthesis engine and voices from Fonix (http://www.fonix.com/). Upon installation, it will automatically attempt to compile and install the dectalk-synthesis-driver binary required to use GNOME Speech with dectalk.

This package is only useful if the dectalk engine is already installed on the system.

gnome-speech-ibmtts
GNOME text-to-speech library (IBMTTS engine support)
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The GNOME Speech library gives a simple yet general API for programs to convert text into speech, as well as speech input.

This package provides the source code required to compile a driver for the commercial IBMTTS speech synthesis engine available from http://ttsynth.com/. Upon installation, it will automatically attempt to compile and install the voiavoice-synthesis-driver binary required to use GNOME Speech with IBMTTS.

This package is only useful if the IBMTTS (TTSynth) engine is already installed on the system.

gnome-speech-swift
GNOME text-to-speech library (Cepstral swift engine support)
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The GNOME Speech library gives a simple yet general API for programs to convert text into speech, as well as speech input.

This package provides the source code required to compile a driver for the commercial swift speech synthesis engine and voices from Cepstral (http://www.cepstral.com/). Upon installation, it will automatically attempt to compile and install the swift-synthesis-driver binary required to use GNOME Speech with swift.

This package is only useful if the swift engine is already installed on the system.

libttspico-utils
Small Footprint TTS (binaries)
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The SVOX Pico engine is a software speech synthesizer for German, English (GB and US), Spanish, French and Italian.

SVOX produces a clear and distinct speech output made possible by the use of Hidden Markov Model (HMM) algorithms.

This package contains binary files including pico2wave.

mbrola
Multilingual software speech synthesizer
Maintainer: Samuel Thibault
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License: DFSG free, but needs non-free components
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Mbrola is Thierry Dutoit's phonemizer for multilingual speech synthesis. The various diphone databases are distributed on separate packages, but they must be used with and only with Mbrola because of license matters. Read the copyright for details.

Mbrola itself doesn't provide full TTS. It is a speech synthesizer based on the concatenation of diphones. It takes a list of phonemes as input, together with prosodic information (duration of phonemes and a piecewise linear description of pitch), and produces speech samples on 16 bits (linear), at the sampling frequency of the diphone database.

Use Mbrola along with Freephone, cicero or espeak to have a complete text-to-speech in English.

*Popularitycontest results: number of people who use this package regularly (number of people who upgraded this package recently) out of 236008