HTML5 -- Audio, html5audioplay

HTML5 -- Audio, html5audioplay
I. Audio tag

Web audio

Until now, there is still no standard for playing audio on the webpage.

Today, most audios are played using plug-ins (such as Flash. However, not all browsers have the same plug-ins.

HTML5 specifies a standard method to include audio through the audio element.

The audio element can play audio files or audio streams.

Ii. Audio Format

Currently, the audio element supports three audio formats:

	IE 9	Firefox 3.5	Opera 10.5	Google Chrome 3.0	Safari 3.0
Ogg Vorbis		√	√	√
MP3	√			√	√
Wav		√	√		√

Iii. Use

<Audio src = "testaudio" autoplay = "autoplay" controls = "controls" id = "audio1" loop = "loop">
Your browser does not support audio tags
</Audio>

Iv. Attributes of <audio> labels

Attribute	Value	Description
Autoplay	Autoplay	If this attribute appears, the audio will be played immediately after it is ready.
Controls	Controls	If this attribute is displayed, the control, such as the play button, is displayed to the user.
Loop	Loop	If this attribute is displayed, the video is played again whenever the audio ends.
Preload	Preload	If this attribute is displayed, the audio is loaded when the page is loaded and ready for playing. If "autoplay" is used, this attribute is ignored.
Src	Url	The URL of the audio to be played.