Audio - Alexa for Business


The audio message. There is a 1 MB limit on the audio file input and the only supported format is MP3. To convert your MP3 audio files to an Alexa-friendly,

required codec version (MPEG version 2) and bit rate (48 kbps), you might use converter software. One option for this is a command-line tool, FFmpeg. For more information, see FFmpeg. The following command converts the provided <input-file> to an MP3 file that is played in the announcement:

ffmpeg -i <input-file> -ac 2 -codec:a libmp3lame -b:a 48k -ar 16000 <output-file.mp3>



The locale of the audio message. Currently, en-US is supported.

Type: String

Valid Values: en-US

Required: Yes


The location of the audio file. Currently, S3 URLs are supported. Only S3 locations comprised of safe characters are valid. For more information, see Safe Characters.

Type: String

Length Constraints: Minimum length of 0. Maximum length of 1200.

Pattern: https://([A-Za-z0-9_.-]+)?(s3-[A-Za-z0-9-]+|s3\.([A-Za-z0-9-])+|s3|s3.dualstack\.([A-Za-z0-9-])+)*

Required: Yes

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following: