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{{From|https://help.ubuntu.com/community/TextToSpeech}}
 
{{From|https://help.ubuntu.com/community/TextToSpeech}}
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{{Languages|php5}}
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{{Languages|UbuntuHelp:TextToSpeech}}
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#title Festival - Text-to-Speech
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You can take advantage of Text-To-Speech in Ubuntu by using a program called ''Festival''. Out of the box, Festival doesn't work with ESD (the default sound server up to Gutsy), Pulse``Audio (the default sound server since Hardy) or ALSA, so some changes are required to get it up and running.
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== Introduction ==
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This guide provides instructions on how to get Festival working on Ubuntu with ESD, Pulse``Audio and ALSA.  
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If you are using a version of Ubuntu prior to Hardy, and you don't want to use Festival with ESD, you will have to disable ESD in the ''Sounds'' preferences dialog. In that case, other multimedia applications won't be able to play audio at the same time.
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You can take advantage of Text-To-Speech in Ubuntu by using a program called Festival. Because by default it doesn't work with ESD (the sound mixer that comes by default with Dapper), a little of manual tweaking is needed.
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This is not meant to be a guide on how to use Festival (for that, read the Festival user docs), but simply how to get it working on Ubuntu with ESD. (If you don't use Festival with ESD, you will have to disable ESD in the "Sounds" preferences dialog. But in that case, your other multimedia apps won't be able to play audio at the same time.)
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== Installation ==
 
== Installation ==
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Install Festival by typing the following command in a Terminal:
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<code><nowiki>sudo apt-get install festival</nowiki></code>
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'''Note:''' Additional voices are available in the Ubuntu repositories. Type "festvox" in ''Synaptic Package Manager'' for a list of language packages.
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== Configuration for ESD or PulseAudio ==
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If you want festival to always use ESD or PulseAudio for output, you can configure this globally, for all users, or on a per-user basis. To configure globally use the configuration file ''/etc/festival.scm''. To configure locally use the configuration file ''~/.festivalrc''.
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<ol><li>Open the configuration file by typing <code><nowiki>gksudo gedit /etc/festival.scm</nowiki></code> or <code><nowiki>gedit ~/.festivalrc</nowiki></code> in a terminal.
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</li><li>Add the following lines at the end of the file:</li></ol>
  
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Install Festival (and related files)
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<code><nowiki>(Parameter.set 'Audio_Method 'esdaudio)</nowiki></code>
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1.#3 Save the file.
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$ sudo apt-get install festival
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This is the recommended method for playing audio in Ubuntu.
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== Configuration for ALSA ==
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(Additional voices are available in the Ubuntu respositories. Type "festival" in synaptic for a list of packages.)
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'''Note:''' It is hard to use ALSA and ESD on the same system, if it is possible at all.  Here it is assumed that you are using ALSA ''instead of'' ESD.
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Insert at the end of the file <code><nowiki>/etc/festival.scm or ~/.festivalrc</nowiki></code> the lines
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Install esdplay, which is part of the esound-clients package:
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<pre><nowiki>
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(Parameter.set 'Audio_Command "aplay -D plug:dmix -q -c 1 -t raw -f s16 -r $SR $FILE")
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$ sudo apt-get install esound-clients
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== Configuration ==
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You need to configure festival so that it sends its output through ESD. Otherwise, you'll get the following error when you try to run Festival:  "can't open /dev/dsp".
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Edit the /etc/festival.scm:
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$ gksudo gedit /etc/festival.scm
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Add the following lines at the end of the file:
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<pre><nowiki>(Parameter.set 'Audio_Command "esdplay $FILE")
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(Parameter.set 'Audio_Method 'Audio_Command)
 
(Parameter.set 'Audio_Method 'Audio_Command)
 
(Parameter.set 'Audio_Required_Format 'snd)</nowiki></pre>
 
(Parameter.set 'Audio_Required_Format 'snd)</nowiki></pre>
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On some configurations it may be necessary to remove the "-D plug:dmix" part of the aplay command above.
 
== Testing ==
 
== Testing ==
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Test your setup by typing in a Terminal
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Test your setup by typing:
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<code><nowiki>festival</nowiki></code>
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You will be presented with a ''>'' prompt. Type  
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$ festival
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<code><nowiki>(SayText "Hello")</nowiki></code>
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you'll be presented with a > prompt. Type:
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> (Say``Text "Hello")
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The computer should say "hello".
 
The computer should say "hello".
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To listen to a text file named ''FILENAME'', type  
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To listen to a text file type:
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<code><nowiki>(tts "FILENAME" nil)</nowiki></code>
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Note ''FILENAME'' must be in quote marks.
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> (tts FILENAME nil)  
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FILENAME must be in quote marks.
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----
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CategoryDocumentation
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[[category:UbuntuHelp]]
 
[[category:UbuntuHelp]]

2009年11月17日 (二) 20:47的最新版本

Geographylogo.png 文章出处: 

https://help.ubuntu.com/community/TextToSpeech

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English

请不要直接编辑翻译本页，本页将定期与来源同步。

  1. title Festival - Text-to-Speech

You can take advantage of Text-To-Speech in Ubuntu by using a program called Festival. Out of the box, Festival doesn't work with ESD (the default sound server up to Gutsy), Pulse``Audio (the default sound server since Hardy) or ALSA, so some changes are required to get it up and running. This guide provides instructions on how to get Festival working on Ubuntu with ESD, Pulse``Audio and ALSA. If you are using a version of Ubuntu prior to Hardy, and you don't want to use Festival with ESD, you will have to disable ESD in the Sounds preferences dialog. In that case, other multimedia applications won't be able to play audio at the same time.

Installation

Install Festival by typing the following command in a Terminal: sudo apt-get install festival Note: Additional voices are available in the Ubuntu repositories. Type "festvox" in Synaptic Package Manager for a list of language packages.

Configuration for ESD or PulseAudio

If you want festival to always use ESD or PulseAudio for output, you can configure this globally, for all users, or on a per-user basis. To configure globally use the configuration file /etc/festival.scm. To configure locally use the configuration file ~/.festivalrc.

  1. Open the configuration file by typing gksudo gedit /etc/festival.scm or gedit ~/.festivalrc in a terminal.
  2. Add the following lines at the end of the file:

(Parameter.set 'Audio_Method 'esdaudio) 1.#3 Save the file. This is the recommended method for playing audio in Ubuntu.

Configuration for ALSA

Note: It is hard to use ALSA and ESD on the same system, if it is possible at all. Here it is assumed that you are using ALSA instead of ESD. Insert at the end of the file /etc/festival.scm or ~/.festivalrc the lines 

(Parameter.set 'Audio_Command "aplay -D plug:dmix -q -c 1 -t raw -f s16 -r $SR $FILE")
(Parameter.set 'Audio_Method 'Audio_Command)
(Parameter.set 'Audio_Required_Format 'snd)

On some configurations it may be necessary to remove the "-D plug:dmix" part of the aplay command above.

Testing

Test your setup by typing in a Terminal festival You will be presented with a > prompt. Type (SayText "Hello") The computer should say "hello". To listen to a text file named FILENAME, type (tts "FILENAME" nil) Note FILENAME must be in quote marks.

取自“https://wiki.ubuntu.org.cn/index.php?title=UbuntuHelp:TextToSpeech&oldid=128136”