Supports the insertion of recorded audio files.
Syntax
| XML | Copy Code |
|---|---|
<audio src="string" /> </audio> | |
Attributes
Attribute | Description |
|---|---|
src | Required. Specifies the path and name of the audio file. The value of this attribute can be an absolute, local path for speech applications running in a local environment, but it must be an HTTP. This attribute is case-sensitive only when referencing files residing in file systems that are case-sensitive. |
The audio element supports WMA files and .WAV files containing RIFF headers and encoded with the following parameters.
Parameter | Value |
|---|---|
Format | PCM, a-law, u-law |
Bit-depth | 8 bits, 16 bits |
Channels | Mono only |
Sampling Rate | All sampling rates supported. |
Remarks
Use this element to play a known audio file.
The content of a non-empty audio element should be the plain text or SSML marked-up text to be spoken if the audio file specified in the src attribute is either not available or unplayable. The content of a non-empty element can also include another audio element.
Example
| XML | Copy Code |
|---|---|
<?xml version="1.0" encoding="ISO-8859-1"?> <speak version="1.0" xmlns="http://www.w3.org/2001/10/synthesis" xml:lang="en-US"> <p> <audio src="http://www.treyresearch.net/audioprompts/opinionprompt.wav"> Thanks for offering your opinion. Please begin speaking after the beep. </audio> <audio src="http://www.treyresearch.net/audioprompts/beep.wav"> The beep could not be played, please voice your opinion now. </audio> </p> </speak> | |
