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Add Text-To-Speech Beta samples (#1069)
* Add Text-To-Speech Beta samples * Update README * Clarification * Update doc page link * Tell the user an output file was created * Simplify SSML * Update based on feedback * Update missed audio encodings
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‎pom.xml‎

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<module>storage/xml-api/cmdline-sample</module>
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<module>storage/xml-api/serviceaccount-appengine-sample</module>
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<module>texttospeech/cloud-client</module>
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<module>translate</module>
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<module>translate/cloud-client</module>
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‎texttospeech/cloud-client/README.md‎

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# Google Cloud Text-To-Speech API Java examples
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The [Cloud Text To Speech API][texttospeech] enables you to generate and
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customize synthesized speech from text or SSML.
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These samples show how to list all supported voices, synthesize raw
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text, and synthesize a file.
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[texttospeech]: https://cloud.google.com/text-to-speech/
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[google-cloud-java]: https://github.com/GoogleCloudPlatform/google-cloud-java
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## Prerequisites
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### Download Maven
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To get started, [download][maven-download] and [install][maven-install] it.
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[maven]: https://maven.apache.org
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[maven-download]: https://maven.apache.org/download.cgi
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[maven-install]: https://maven.apache.org/install.html
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### Setup
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* Create a project with the [Google Cloud Console][cloud-console], and enable
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the [TextToSpeech API][text-to-speech-api].
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* [Set up][auth] authentication. For
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example, from the Cloud Console, create a service account,
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download its json credentials file, then set the appropriate environment
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variable:
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```bash
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export GOOGLE_APPLICATION_CREDENTIALS=/path/to/your-project-credentials.json
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```
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* Build the samples
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```
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mvn clean package
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```
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[cloud-console]: https://console.cloud.google.com
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[text-to-speech-api]: https://console.cloud.google.com/apis/api/texttospeech.googleapis.com/overview?project=_
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[auth]: https://cloud.google.com/docs/authentication/getting-started
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## Quckstart
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Synthesize text to an output audio file. [Java Code](quickstart)
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```
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mvn exec:java -DQuickstart
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```
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## List Voices
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This sample lists all the supported voices. [Java Code](list_voices)
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```
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mvn exec:java -DListVoices
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```
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## Synthesize Text
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This sample synthesizes text to an output audio file. [Java Code](synthesize_text)
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```
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mvn exec:java -DSynthesizeText -Dexec.args='--text "hello"'
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```
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This sample synthesizes ssml to an output audio file. [Java Code](synthesize_text)
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```
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mvn exec:java -DSynthesizeText -Dexec.args='--ssml "<speak>Hello there.</speak>"'
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```
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## Synthesize File
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This sample synthesizes a text file to an output audio file. [Java Code](synthesize_file)
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```
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mvn exec:java -DSynthesizeFile -Dexec.args='--text resources/hello.txt'
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```
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This sample synthesizes a ssml file to an output audio file. [Java Code](synthesize_file)
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```
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mvn exec:java -DSynthesizeFile -Dexec.args='--ssml resources/hello.ssml'
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```

‎texttospeech/cloud-client/pom.xml‎

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<!--
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Copyright 2018, Google Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<project>
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.example.texttospeech</groupId>
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<artifactId>tts-samples</artifactId>
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<packaging>jar</packaging>
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<!-- Parent defines config for testing & linting. -->
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<parent>
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<artifactId>doc-samples</artifactId>
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<groupId>com.google.cloud</groupId>
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<version>1.0.0</version>
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<relativePath>../..</relativePath>
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</parent>
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<properties>
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<maven.compiler.target>1.8</maven.compiler.target>
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<maven.compiler.source>1.8</maven.compiler.source>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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</properties>
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<dependencies>
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<!-- [START dependencies] -->
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<dependency>
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<groupId>com.google.cloud</groupId>
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<artifactId>google-cloud-texttospeech</artifactId>
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<version>0.41.0-beta</version>
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</dependency>
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<dependency>
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<groupId>net.sourceforge.argparse4j</groupId>
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<artifactId>argparse4j</artifactId>
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<version>0.8.1</version>
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</dependency>
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<!-- [END dependencies] -->
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<!-- Test dependencies -->
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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<version>4.12</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>com.google.truth</groupId>
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<artifactId>truth</artifactId>
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<version>0.35</version>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<profiles>
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<!--Quickstart-->
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<profile>
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<id>Quickstart</id>
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<activation>
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<property>
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<name>Quickstart</name>
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</property>
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</activation>
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<build>
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<plugins>
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<plugin>
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<groupId>org.codehaus.mojo</groupId>
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<artifactId>exec-maven-plugin</artifactId>
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<version>1.6.0</version>
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<executions>
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<execution>
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<goals>
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<goal>java</goal>
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</goals>
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</execution>
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</executions>
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<configuration>
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<mainClass>com.example.texttospeech.QuickstartSample</mainClass>
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<cleanupDaemonThreads>false</cleanupDaemonThreads>
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</configuration>
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</plugin>
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</plugins>
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</build>
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</profile>
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<!--ListVoices-->
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<profile>
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<id>ListVoices</id>
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<activation>
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<property>
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<name>ListVoices</name>
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</property>
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</activation>
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<build>
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<plugins>
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<plugin>
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<groupId>org.codehaus.mojo</groupId>
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<artifactId>exec-maven-plugin</artifactId>
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<version>1.6.0</version>
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<executions>
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<execution>
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<goals>
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<goal>java</goal>
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</goals>
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</execution>
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</executions>
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<configuration>
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<mainClass>com.example.texttospeech.ListAllSupportedVoices</mainClass>
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<cleanupDaemonThreads>false</cleanupDaemonThreads>
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</configuration>
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</plugin>
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</plugins>
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</build>
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</profile>
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<!--SynthesizeFile-->
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<profile>
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<id>SynthesizeFile</id>
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<activation>
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<property>
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<name>SynthesizeFile</name>
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</property>
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</activation>
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<build>
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<plugins>
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<plugin>
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<groupId>org.codehaus.mojo</groupId>
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<artifactId>exec-maven-plugin</artifactId>
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<version>1.6.0</version>
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<executions>
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<execution>
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<goals>
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<goal>java</goal>
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</goals>
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</execution>
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</executions>
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<configuration>
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<mainClass>com.example.texttospeech.SynthesizeFile</mainClass>
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<cleanupDaemonThreads>false</cleanupDaemonThreads>
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</configuration>
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</plugin>
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</plugins>
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</build>
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</profile>
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<!--SynthesizeText-->
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<profile>
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<id>SynthesizeText</id>
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<activation>
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<property>
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<name>SynthesizeText</name>
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</property>
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</activation>
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<build>
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<plugins>
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<plugin>
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<groupId>org.codehaus.mojo</groupId>
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<artifactId>exec-maven-plugin</artifactId>
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<version>1.6.0</version>
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<executions>
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<execution>
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<goals>
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<goal>java</goal>
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</goals>
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</execution>
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</executions>
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<configuration>
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<mainClass>com.example.texttospeech.SynthesizeText</mainClass>
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<cleanupDaemonThreads>false</cleanupDaemonThreads>
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</configuration>
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</plugin>
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</plugins>
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</build>
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</profile>
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</profiles>
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</project>

‎texttospeech/cloud-client/resources/hello.ssml‎

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<speak>Hello there.</speak>

‎texttospeech/cloud-client/resources/hello.txt‎

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Hello there!

‎texttospeech/cloud-client/src/main/java/com/example/texttospeech/ListAllSupportedVoices.java‎

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/*
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* Copyright 2018 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.example.texttospeech;
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// Imports the Google Cloud client library
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import com.google.cloud.texttospeech.v1beta1.ListVoicesRequest;
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import com.google.cloud.texttospeech.v1beta1.ListVoicesResponse;
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import com.google.cloud.texttospeech.v1beta1.TextToSpeechClient;
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import com.google.cloud.texttospeech.v1beta1.Voice;
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import com.google.protobuf.ByteString;
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import java.util.List;
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/**
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* Google Cloud TextToSpeech API sample application.
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* Example usage: mvn package exec:java
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* -Dexec.mainClass='com.example.texttospeech.ListAllSupportedVoices'
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*/
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public class ListAllSupportedVoices {
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// [START tts_list_voices]
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/**
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* Demonstrates using the Text to Speech client to list the client's supported voices.
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* @throws Exception on TextToSpeechClient Errors.
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*/
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public static void listAllSupportedVoices() throws Exception {
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// Instantiates a client
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try (TextToSpeechClient textToSpeechClient = TextToSpeechClient.create()) {
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// Builds the text to speech list voices request
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ListVoicesRequest request = ListVoicesRequest.getDefaultInstance();
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// Performs the list voices request
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ListVoicesResponse response = textToSpeechClient.listVoices(request);
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List<Voice> voices = response.getVoicesList();
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for (Voice voice : voices) {
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// Display the voice's name. Example: tpc-vocoded
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System.out.format("Name: %s\n", voice.getName());
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// Display the supported language codes for this voice. Example: "en-us"
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List<ByteString> languageCodes = voice.getLanguageCodesList().asByteStringList();
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for (ByteString languageCode : languageCodes) {
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System.out.format("Supported Language: %s\n", languageCode.toStringUtf8());
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}
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// Display the SSML Voice Gender
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System.out.format("SSML Voice Gender: %s\n", voice.getSsmlGender());
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// Display the natural sample rate hertz for this voice. Example: 24000
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System.out.format("Natural Sample Rate Hertz: %s\n\n",
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voice.getNaturalSampleRateHertz());
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}
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}
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}
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// [END tts_list_voices]
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public static void main(String[] args) throws Exception {
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listAllSupportedVoices();
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}
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}

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