不支持的flex/actionscript采样

Question

我需要的动作脚本

  Loading configuration file /opt/flex/frameworks/flex-config.xml
  t3.mxml(10): Error: unsupported sampling rate (24000Hz)

        [Embed(source="music.mp3")]

     t3.mxml(10): Error: Unable to transcode music.mp3.

        [Embed(source="music.mp3")]

代码是

         <?xml version="1.0"?>
   <!-- embed/EmbedSound.mxml -->
  <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml">

  <mx:Script>
    <![CDATA[

        import flash.media.*; 

        [Embed(source="sample.mp3")]
        [Bindable]
        public var sndCls:Class;

        public var snd:Sound = new sndCls() as Sound; 
        public var sndChannel:SoundChannel;

        public function playSound():void {
            sndChannel=snd.play();
        }   

        public function stopSound():void {
            sndChannel.stop();
        }   
    ]]>
</mx:Script>

<mx:HBox>
    <mx:Button label="play" click="playSound();"/>
    <mx:Button label="stop" click="stopSound();"/>
</mx:HBox>
</mx:Application>

Answer 1

来自livingocs:

"Flash可以以11,22或44 kHz的采样率导入8位或16位声音.以11 kHz的倍数格式录制的声音(例如8,32或96 kHz)在导入时会重新采样进入Flash.Flash可以在导出时将声音转换为较低的采样率."

Flex Builder不会为您执行此操作,因此您需要在使用之前手动将"music.mp3"文件下采样到22kHz.

编辑:我找不到合适的文档,但在这里说:

"声音采样率 - 以Hz为单位测量,在首次录制声音文件时固定,Flash .SWF文件仅允许四种速率.

Flash SWF格式的采样率为:

5500赫兹

11025赫兹

22050赫兹

44100赫兹(首选设置)"