Class TextToSpeechClient (2.2.1)

Version 2.2.1

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public class TextToSpeechClient implements BackgroundResource

Service Description: Service that implements Google Cloud Text-to-Speech API.

This class provides the ability to make remote calls to the backing service through method calls that map to API methods. Sample code to get started:

 try (TextToSpeechClient textToSpeechClient = TextToSpeechClient.create()) {
   String languageCode = "languageCode-2092349083";
   ListVoicesResponse response = textToSpeechClient.listVoices(languageCode);
 }
 

Note: close() needs to be called on the TextToSpeechClient object to clean up resources such as threads. In the example above, try-with-resources is used, which automatically calls close().

The surface of this class includes several types of Java methods for each of the API's methods:

1. A "flattened" method. With this type of method, the fields of the request type have been converted into function parameters. It may be the case that not all fields are available as parameters, and not every API method will have a flattened method entry point.
2. A "request object" method. This type of method only takes one parameter, a request object, which must be constructed before the call. Not every API method will have a request object method.
3. A "callable" method. This type of method takes no parameters and returns an immutable API callable object, which can be used to initiate calls to the service.

See the individual methods for example code.

Many parameters require resource names to be formatted in a particular way. To assist with these names, this class includes a format method for each type of name, and additionally a parse method to extract the individual identifiers contained within names that are returned.

This class can be customized by passing in a custom instance of TextToSpeechSettings to create(). For example:

To customize credentials:

 TextToSpeechSettings textToSpeechSettings =
     TextToSpeechSettings.newBuilder()
         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
         .build();
 TextToSpeechClient textToSpeechClient = TextToSpeechClient.create(textToSpeechSettings);
 

To customize the endpoint:

 TextToSpeechSettings textToSpeechSettings =
     TextToSpeechSettings.newBuilder().setEndpoint(myEndpoint).build();
 TextToSpeechClient textToSpeechClient = TextToSpeechClient.create(textToSpeechSettings);
 

Please refer to the GitHub repository's samples for more quickstart code snippets.

Inheritance

java.lang.Object > TextToSpeechClient

Implements

BackgroundResource

Inherited Members

Object.clone()

Object.equals(Object)

Object.finalize()

Object.getClass()

Object.hashCode()

Object.notify()

Object.notifyAll()

Object.toString()

Object.wait()

Object.wait(long)

Object.wait(long,int)

Static Methods

create()

public static final TextToSpeechClient create()

Constructs an instance of TextToSpeechClient with default settings.

Returns

Type	Description
TextToSpeechClient

Exceptions

Type	Description
IOException

create(TextToSpeechSettings settings)

public static final TextToSpeechClient create(TextToSpeechSettings settings)

Constructs an instance of TextToSpeechClient, using the given settings. The channels are created based on the settings passed in, or defaults for any settings that are not set.

Parameter

Name	Description
settings	TextToSpeechSettings

Returns

Type	Description
TextToSpeechClient

Exceptions

Type	Description
IOException

create(TextToSpeechStub stub)

public static final TextToSpeechClient create(TextToSpeechStub stub)

Constructs an instance of TextToSpeechClient, using the given stub for making calls. This is for advanced usage - prefer using create(TextToSpeechSettings).

Parameter

Name	Description
stub	TextToSpeechStub

Returns

Type	Description
TextToSpeechClient

Constructors

TextToSpeechClient(TextToSpeechSettings settings)

protected TextToSpeechClient(TextToSpeechSettings settings)

Constructs an instance of TextToSpeechClient, using the given settings. This is protected so that it is easy to make a subclass, but otherwise, the static factory methods should be preferred.

Parameter

Name	Description
settings	TextToSpeechSettings

TextToSpeechClient(TextToSpeechStub stub)

protected TextToSpeechClient(TextToSpeechStub stub)

Parameter

Name	Description
stub	TextToSpeechStub

Methods

awaitTermination(long duration, TimeUnit unit)

public boolean awaitTermination(long duration, TimeUnit unit)

Parameters

Name	Description
duration	long
unit	TimeUnit

Returns

Type	Description
boolean

Exceptions

Type	Description
InterruptedException

close()

public final void close()

getSettings()

public final TextToSpeechSettings getSettings()

Returns

Type	Description
TextToSpeechSettings

getStub()

public TextToSpeechStub getStub()

Returns

Type	Description
TextToSpeechStub

isShutdown()

public boolean isShutdown()

Returns

Type	Description
boolean

isTerminated()

public boolean isTerminated()

Returns

Type	Description
boolean

listVoices(ListVoicesRequest request)

public final ListVoicesResponse listVoices(ListVoicesRequest request)

Returns a list of Voice supported for synthesis.

Sample code:

 try (TextToSpeechClient textToSpeechClient = TextToSpeechClient.create()) {
   ListVoicesRequest request =
       ListVoicesRequest.newBuilder().setLanguageCode("languageCode-2092349083").build();
   ListVoicesResponse response = textToSpeechClient.listVoices(request);
 }
 

Parameter

Name	Description
request	ListVoicesRequest The request object containing all of the parameters for the API call.

Returns

Type	Description
ListVoicesResponse

listVoices(String languageCode)

public final ListVoicesResponse listVoices(String languageCode)

Returns a list of Voice supported for synthesis.

Sample code:

 try (TextToSpeechClient textToSpeechClient = TextToSpeechClient.create()) {
   String languageCode = "languageCode-2092349083";
   ListVoicesResponse response = textToSpeechClient.listVoices(languageCode);
 }
 

Parameter

Name	Description
languageCode	String Optional. Recommended. BCP-47 language tag. If not specified, the API will return all supported voices. If specified, the ListVoices call will only return voices that can be used to synthesize this language_code. For example, if you specify "en-NZ", all "en-NZ" voices will be returned. If you specify "no", both "no-\*" (Norwegian) and "nb-\*" (Norwegian Bokmal) voices will be returned.

Returns

Type	Description
ListVoicesResponse

listVoicesCallable()

public final UnaryCallable<ListVoicesRequest,ListVoicesResponse> listVoicesCallable()

Returns a list of Voice supported for synthesis.

Sample code:

 try (TextToSpeechClient textToSpeechClient = TextToSpeechClient.create()) {
   ListVoicesRequest request =
       ListVoicesRequest.newBuilder().setLanguageCode("languageCode-2092349083").build();
   ApiFuture<ListVoicesResponse> future =
       textToSpeechClient.listVoicesCallable().futureCall(request);
   // Do something.
   ListVoicesResponse response = future.get();
 }
 

Returns

Type	Description
UnaryCallable<ListVoicesRequest,ListVoicesResponse>

shutdown()

public void shutdown()

shutdownNow()

public void shutdownNow()

synthesizeSpeech(SynthesisInput input, VoiceSelectionParams voice, AudioConfig audioConfig)

public final SynthesizeSpeechResponse synthesizeSpeech(SynthesisInput input, VoiceSelectionParams voice, AudioConfig audioConfig)

Synthesizes speech synchronously: receive results after all text input has been processed.

Sample code:

 try (TextToSpeechClient textToSpeechClient = TextToSpeechClient.create()) {
   SynthesisInput input = SynthesisInput.newBuilder().build();
   VoiceSelectionParams voice = VoiceSelectionParams.newBuilder().build();
   AudioConfig audioConfig = AudioConfig.newBuilder().build();
   SynthesizeSpeechResponse response =
       textToSpeechClient.synthesizeSpeech(input, voice, audioConfig);
 }
 

Parameters

Name	Description
input	SynthesisInput Required. The Synthesizer requires either plain text or SSML as input.
voice	VoiceSelectionParams Required. The desired voice of the synthesized audio.
audioConfig	AudioConfig Required. The configuration of the synthesized audio.

Returns

Type	Description
SynthesizeSpeechResponse

synthesizeSpeech(SynthesizeSpeechRequest request)

public final SynthesizeSpeechResponse synthesizeSpeech(SynthesizeSpeechRequest request)

Synthesizes speech synchronously: receive results after all text input has been processed.

Sample code:

 try (TextToSpeechClient textToSpeechClient = TextToSpeechClient.create()) {
   SynthesizeSpeechRequest request =
       SynthesizeSpeechRequest.newBuilder()
           .setInput(SynthesisInput.newBuilder().build())
           .setVoice(VoiceSelectionParams.newBuilder().build())
           .setAudioConfig(AudioConfig.newBuilder().build())
           .build();
   SynthesizeSpeechResponse response = textToSpeechClient.synthesizeSpeech(request);
 }
 

Parameter

Name	Description
request	SynthesizeSpeechRequest The request object containing all of the parameters for the API call.

Returns

Type	Description
SynthesizeSpeechResponse

synthesizeSpeechCallable()

public final UnaryCallable<SynthesizeSpeechRequest,SynthesizeSpeechResponse> synthesizeSpeechCallable()

Synthesizes speech synchronously: receive results after all text input has been processed.

Sample code:

 try (TextToSpeechClient textToSpeechClient = TextToSpeechClient.create()) {
   SynthesizeSpeechRequest request =
       SynthesizeSpeechRequest.newBuilder()
           .setInput(SynthesisInput.newBuilder().build())
           .setVoice(VoiceSelectionParams.newBuilder().build())
           .setAudioConfig(AudioConfig.newBuilder().build())
           .build();
   ApiFuture<SynthesizeSpeechResponse> future =
       textToSpeechClient.synthesizeSpeechCallable().futureCall(request);
   // Do something.
   SynthesizeSpeechResponse response = future.get();
 }
 

Returns

Type	Description
UnaryCallable<SynthesizeSpeechRequest,SynthesizeSpeechResponse>