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Practice of speech synthesis using Festival

1.a: Installing Festival (Mac and Linux):

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To install Festival you need to type the following procedures:

In a proof-of-concept study, two current TTS systems, both using XML-based languages for internal data representation, are plugged together using XSLT transforms as a means o ..."

and untar the file and build Festival

...erves equally well. Nightingale (Flo), developed as a prototype nursing home assistant. Flo uses the Sphinx II speech recognition system (Ravishankar, 1996), and the Festival speech synthesis system (=-=Black et al., 1999-=-). Figure 1 shows a picture of the robot. Since the robot is a nursing home assistant, we use task domains that are relevant to assisted living in a home environment. Table 1 shows a list of the task ...

For installing Festival into Mac, XCode is required to be installed

Flite (festival-lite) is a small, fast run-time synthesis engine developed at CMU and primarily designed for small embedded machines and/or large servers. Flite is designed as an alternative synthesis engine to Festival for voices built using the FestVox suite of voice building tools.

...ile robot, Florence Nightingale (Flo), developed as a prototype nursing home assistant. Flo uses the Sphinx II speech recognition system (Ravishankar, 1996), and the Festival speech synthesis system (=-=Black et al., 1999-=-). Figure 8 shows a picture of the robot. Since the robot is a nursing home assistant, we use task domains that are relevant to everyday life. Table 1 shows a list of the task domains the user can ask...

1.b: Installing Festival (Windows):

Notice the change in prompt. This means that Festival is running, and commands that you type will be interpreted by Festival rather than by the shell.

eSpeak is a compact open source software speech synthesizer for English and other languages. eSpeak uses a formant synthesis method. This allows many languages to be provided in a small size. It supports SAPI5 version for Windows, so it can be used with screen-readers and other programs that support the Windows SAPI5 interface. It can translate text into phoneme codes, so it could be adapted as a front end for another speech synthesis engine.

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  • To start Festival you need to type the following commands:

    2: Starting Festival

  • Festival Speech Synthesis System 1.96:beta July 2004

    bash$ cd build/festival/bin

  • For details type `(festival_warranty)'

    bash$ festival

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Festival Speech Synthesis System 1.96:beta July 2004

FreeTTS is a speech synthesis system written entirely in the Java. It is based upon Flite, a small run-time speech synthesis engine developed at Carnegie Mellon University. Flite is derived from the Festival Speech Synthesis System from the University of Edinburgh and the FestVox project from Carnegie Mellon University. FreeTTS supports a subset of the JSAPI 1.0 java speech synthesis specification.

For details type `(festival_warranty)'

MARY is an open-source, multilingual Text-to-Speech Synthesis platform written in Java. It supports German, British and American English, Telugu, Turkish, and Russian.

To make festival speak, you need to type the following commands:

Once you have a fully synthesised utterance object in festival, it is possible to extract the waveform to a file (to load into wavesurfer or praat) as follows:

festival (SayText "Put something here")

Project DeepSpeech is an open source Speech-To-Text engine. It uses a model trained by machine learning techniques, based on Baidu's Deep Speech research paper. Project DeepSpeech uses Google's TensorFlow project to make the implementation easier.

4: Getting waveforms out of festival

festival-in will have different speech synthesis systems for respective Indian Languages based on quot;festivalquot; TTS (Text-To-Speech engine) under it's umbrella. It will have modules (tokenizer and lexical) for respective Indian Languages.

5: Change voices and try different types of speech synthesis method

This master’s thesis describes the construction of an Arabic voice using the diphone concatenation method within the Festival Speech Synthesis framework.

festival(voice_cmu_us_slt_arctic_hts)

Festival offers a general framework for building speech synthesis systems as well as including examples of various modules. It offers full text to speech through a APIs via shell and though a Scheme command interpreter. It has native support for Apple OS. It supports English and Spanish languages.

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