| Class | Description | 
|---|---|
| DeleteLexiconRequest | |
| DeleteLexiconResult | |
| DescribeVoicesRequest | |
| DescribeVoicesResult | |
| GetLexiconRequest | |
| GetLexiconResult | |
| GetSpeechSynthesisTaskRequest | |
| GetSpeechSynthesisTaskResult | |
| Lexicon | 
 
 Provides lexicon name and lexicon content in string format. 
 | 
| LexiconAttributes | 
 
 Contains metadata describing the lexicon such as the number of lexemes, language code, and so on. 
 | 
| LexiconDescription | 
 
 Describes the content of the lexicon. 
 | 
| ListLexiconsRequest | |
| ListLexiconsResult | |
| ListSpeechSynthesisTasksRequest | |
| ListSpeechSynthesisTasksResult | |
| PutLexiconRequest | |
| PutLexiconResult | |
| StartSpeechSynthesisTaskRequest | |
| StartSpeechSynthesisTaskResult | |
| SynthesisTask | 
 
 SynthesisTask object that provides information about a speech synthesis task. 
 | 
| SynthesizeSpeechRequest | |
| SynthesizeSpeechResult | |
| Voice | 
 
 Description of the voice. 
 | 
| Enum | Description | 
|---|---|
| Engine | |
| Gender | |
| LanguageCode | |
| OutputFormat | |
| SpeechMarkType | |
| TaskStatus | |
| TextType | |
| VoiceId | 
| Exception | Description | 
|---|---|
| AmazonPollyException | 
 Base exception for all service exceptions thrown by Amazon Polly 
 | 
| EngineNotSupportedException | 
 
 This engine is not compatible with the voice that you have designated. 
 | 
| InvalidLexiconException | 
 
 Amazon Polly can't find the specified lexicon. 
 | 
| InvalidNextTokenException | 
 
 The NextToken is invalid. 
 | 
| InvalidS3BucketException | 
 
 The provided Amazon S3 bucket name is invalid. 
 | 
| InvalidS3KeyException | 
 
 The provided Amazon S3 key prefix is invalid. 
 | 
| InvalidSampleRateException | 
 
 The specified sample rate is not valid. 
 | 
| InvalidSnsTopicArnException | 
 
 The provided SNS topic ARN is invalid. 
 | 
| InvalidSsmlException | 
 
 The SSML you provided is invalid. 
 | 
| InvalidTaskIdException | 
 
 The provided Task ID is not valid. 
 | 
| LanguageNotSupportedException | 
 
 The language specified is not currently supported by Amazon Polly in this capacity. 
 | 
| LexiconNotFoundException | 
 
 Amazon Polly can't find the specified lexicon. 
 | 
| LexiconSizeExceededException | 
 
 The maximum size of the specified lexicon would be exceeded by this operation. 
 | 
| MarksNotSupportedForFormatException | 
 
 Speech marks are not supported for the  
OutputFormat selected. | 
| MaxLexemeLengthExceededException | 
 
 The maximum size of the lexeme would be exceeded by this operation. 
 | 
| MaxLexiconsNumberExceededException | 
 
 The maximum number of lexicons would be exceeded by this operation. 
 | 
| ServiceFailureException | 
 
 An unknown condition has caused a service failure. 
 | 
| SsmlMarksNotSupportedForTextTypeException | 
 
 SSML speech marks are not supported for plain text-type input. 
 | 
| SynthesisTaskNotFoundException | 
 
 The Speech Synthesis task with requested Task ID cannot be found. 
 | 
| TextLengthExceededException | 
 
 The value of the "Text" parameter is longer than the accepted limits. 
 | 
| UnsupportedPlsAlphabetException | 
 
 The alphabet specified by the lexicon is not a supported alphabet. 
 | 
| UnsupportedPlsLanguageException | 
 
 The language specified in the lexicon is unsupported. 
 |