cocos creator使用头条小游戏麦克风功能

小游戏麦克风功能"/>

cocos creator使用头条小游戏麦克风功能

cocos creator使用头条小游戏麦克风功能

版本：2.4.2

async Microphone() {const streamID = await tt.requestMicrophone();const context = tt.getAudioContext();const sourceNode = context.createMediaStreamSource(streamID);// sourceNode.connect(context.destination);const gainNode = context.createGain();gainNode.gain.value = 1.5;sourceNode.connect(gainNode);gainNode.isSampleSource = true;const analyser = context.createAnalyser();sourceNode.connect(analyser);cc.director.once("closeMicrophone",()=>{},this)setInterval(() => {const array = new Uint8Array(analyser.frequencyBinCount);analyser.getByteFrequencyData(array);let values = 0;const length = array.length;// get all the frequency amplitudesfor (let i = 0; i < length; i++) {values += array[i];}const averageVolume = values / length;console.log(`[API: microphone] average volumn: ${averageVolume}`);this.label.string = `volumn: ${averageVolume}`}, 1000);
}