accept

The message that Amazon Lex returns in the response can be either text or speech based depending on the value of this field.

• If the value is text/plain; charset=utf-8, Amazon Lex returns text in the response.

• If the value begins with audio/, Amazon Lex returns speech in the response. Amazon Lex uses Amazon Polly to generate the speech in the configuration that you specify. For example, if you specify audio/mpeg as the value, Amazon Lex returns speech in the MPEG format.

• If the value is audio/pcm, the speech is returned as audio/pcm in 16-bit, little endian format.

• The following are the accepted values:

• audio/mpeg

• audio/ogg

• audio/pcm

• audio/* (defaults to mpeg)

• text/plain; charset=utf-8