StartSpeechSynthesisTask - Amazon Polly
Amazon Web Services 文档中描述的 Amazon Web Services 服务或功能可能因区域而异。要查看适用于中国区域的差异,请参阅中国的 Amazon Web Services 服务入门

本文属于机器翻译版本。若本译文内容与英语原文存在差异,则一律以英文原文为准。

StartSpeechSynthesisTask

以下 Java 代码示例显示如何使用基于 Java 的应用程序来合成长语音(多达 100,000 个计费字符)并将其直接存储在 Amazon S3 存储桶中。

有关更多信息,请参阅 StartSpeechSynthesisTask API 参考。

package com.amazonaws.parrot.service.tests.speech.task; import com.amazonaws.parrot.service.tests.AbstractParrotServiceTest; import com.amazonaws.services.polly.AmazonPolly; import com.amazonaws.services.polly.model.*; import org.awaitility.Duration; import java.util.concurrent.TimeUnit; import static org.awaitility.Awaitility.await; public class StartSpeechSynthesisTaskSample { private static final int SYNTHESIS_TASK_TIMEOUT_SECONDS = 300; private static final AmazonPolly AMAZON_POLLY_CLIENT = AmazonPollyClientBuilder.defaultClient(); private static final String PLAIN_TEXT = "This is a sample text to be synthesized."; private static final String OUTPUT_FORMAT_MP3 = OutputFormat.Mp3.toString(); private static final String OUTPUT_BUCKET = "synth-books-buckets"; private static final String SNS_TOPIC_ARN = "arn:aws:sns:eu-west-2:123456789012:synthesize-finish-topic"; private static final Duration SYNTHESIS_TASK_POLL_INTERVAL = Duration.FIVE_SECONDS; private static final Duration SYNTHESIS_TASK_POLL_DELAY = Duration.TEN_SECONDS; public static void main(String... args) { StartSpeechSynthesisTaskRequest request = new StartSpeechSynthesisTaskRequest() .withOutputFormat(OUTPUT_FORMAT_MP3) .withText(PLAIN_TEXT) .withTextType(TextType.Text) .withVoiceId(VoiceId.Amy) .withOutputS3BucketName(OUTPUT_BUCKET) .withSnsTopicArn(SNS_TOPIC_ARN) .withEngine("neural"); StartSpeechSynthesisTaskResult result = AMAZON_POLLY_CLIENT.startSpeechSynthesisTask(request); String taskId = result.getSynthesisTask().getTaskId(); await().with() .pollInterval(SYNTHESIS_TASK_POLL_INTERVAL) .pollDelay(SYNTHESIS_TASK_POLL_DELAY) .atMost(SYNTHESIS_TASK_TIMEOUT_SECONDS, TimeUnit.SECONDS) .until( () -> getSynthesisTaskStatus(taskId).equals(TaskStatus.Completed.toString()) ); } private static SynthesisTask getSynthesisTask(String taskId) { GetSpeechSynthesisTaskRequest getSpeechSynthesisTaskRequest = new GetSpeechSynthesisTaskRequest() .withTaskId(taskId); GetSpeechSynthesisTaskResult result =AMAZON_POLLY_CLIENT.getSpeechSynthesisTask(getSpeechSynthesisTaskRequest); return result.getSynthesisTask(); } private static String getSynthesisTaskStatus(String taskId) { GetSpeechSynthesisTaskRequest getSpeechSynthesisTaskRequest = new GetSpeechSynthesisTaskRequest() .withTaskId(taskId); GetSpeechSynthesisTaskResult result =AMAZON_POLLY_CLIENT.getSpeechSynthesisTask(getSpeechSynthesisTaskRequest); return result.getSynthesisTask().getTaskStatus(); } }