Baseline Widely available
BaseAudioContext
ã¯ã¦ã§ããªã¼ãã£ãª API ã®ã¤ã³ã¿ã¼ãã§ã¤ã¹ã§ã AudioContext
㨠OfflineAudioContext
ã§è¡¨ããããªã³ã©ã¤ã³ã¨ãªãã©ã¤ã³ã®ãªã¼ãã£ãªå¦çã°ã©ãã®åºæ¬å®ç¾©ã¨ãã¦åä½ãã¾ãã BaseAudioContext
ãç´æ¥ä½¿ç¨ãããã¨ã¯ããã¾ããããããã® 2 ã¤ã®ç¶æ¿ãããã¤ã³ã¿ã¼ãã§ã¤ã¹ã®ãããããä»ãã¦ããã®æ©è½ã使ç¨ãããã¨ã«ãªãã¾ãã
BaseAudioContext
ã¯ã¤ãã³ãã®ã¿ã¼ã²ããã¨ãªããã¨ãã§ããã®ã§ã EventTarget
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BaseAudioContext.audioWorklet
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AudioWorklet
ãªãã¸ã§ã¯ããè¿ãã¾ãããã㯠AudioNode
ã JavaScript ã³ã¼ãã§ä½æããã³ç®¡çããããã«ä½¿ç¨ãããã¨ãã§ãã AudioWorkletProcessor
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ãã¦ãã¦ãããã¯ã°ã©ã¦ã³ãã§å®è¡ãã¦é³å£°ãã¼ã¿ãå¦çãããã¨ãã§ãã¾ãã
BaseAudioContext.currentTime
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BaseAudioContext.destination
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ã表ã AudioDestinationNode
ãè¿ãã¾ãã ãªã¼ãã£ãªã¬ã³ããªã³ã°ããã¤ã¹ã¨èãããã¨ãã§ãã¾ãã
BaseAudioContext.listener
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空éåã«ä½¿ç¨ããã AudioListener
ãªãã¸ã§ã¯ããè¿ãã¾ãã
BaseAudioContext.sampleRate
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ãã®ã³ã³ããã¹ãå
ã®ãã¹ã¦ã®ãã¼ãã§ä½¿ç¨ããããµã³ããªã³ã°ã¬ã¼ãï¼ãµã³ãã«/ç§ï¼ãå精度浮åå°æ°ç¹å¤ã§è¿ãã¾ãã AudioContext
ã®ãµã³ããªã³ã°ã¬ã¼ãã夿´ãããã¨ã¯ã§ãã¾ããã
BaseAudioContext.state
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ç¾å¨ã® AudioContext
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ãè¿ãã¾ãã
EventTarget
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BaseAudioContext.createAnalyser()
AnalyserNode
ã使ãã¾ããããã¯é³å£°ã®æéã¨å¨æ³¢æ°ãã¼ã¿ãå
¬éãããã¼ã¿ã®å¯è¦åãªã©ã«å©ç¨ã§ãã¾ãã
BaseAudioContext.createBiquadFilter()
BiquadFilterNode
ã使ãã¾ããããã¯ãã¤ãã¹ããã¼ãã¹ããã³ããã¹ãªã©ã®ä¸è¬çãªãã£ã«ã¿ã¼åã¨ãã¦è¨å®å¯è½ãª 2 次ãã£ã«ã¿ã¼ã表ãã¾ãã
BaseAudioContext.createBuffer()
æ°ãã空㮠AudioBuffer
ãªãã¸ã§ã¯ãã使ãã¾ããããã«ãã¼ã¿ãå
¥åã㦠AudioBufferSourceNode
ã§åçã§ãã¾ãã
BaseAudioContext.createBufferSource()
AudioBufferSourceNode
ã使ãã¾ãããã㯠AudioBuffer
ãªãã¸ã§ã¯ãã«å«ã¾ããé³å£°ãã¼ã¿ãåçã¾ãã¯æä½ããããã«ä½¿ç¨ãããã¨ãã§ãã¾ãã AudioBuffer
㯠AudioContext.createBuffer()
ã«ãã£ã¦çæããããããªã¼ãã£ãªãã©ãã¯ã®ãã³ã¼ãã«æåãã㨠AudioContext.decodeAudioData()
ã«ãã£ã¦è¿ããã¾ãã
BaseAudioContext.createConstantSource()
ConstantSourceNode
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BaseAudioContext.createChannelMerger()
ChannelMergerNode
ã使ãã¾ããããã¯è¤æ°ã®é³å£°ã¹ããªã¼ã ã®ãã£ã³ãã«ã 1 ã¤ã®é³å£°ã¹ããªã¼ã ã«çµåããããã«ä½¿ç¨ãã¾ãã
BaseAudioContext.createChannelSplitter()
ChannelSplitterNode
ã使ãã¾ããããã¯é³å£°ã¹ããªã¼ã ã®åã
ã®ãã£ã³ãã«ã«ã¢ã¯ã»ã¹ããããããåå¥ã«å¦çããããã«ä½¿ç¨ããã¾ãã
BaseAudioContext.createConvolver()
ConvolverNode
ã使ãã¾ããããã¯ãªã¼ãã£ãªã°ã©ãã«ã³ã³ããªã¥ã¼ã·ã§ã³å¹æï¼æ®é¿å¹æãªã©ï¼ãé©ç¨ããããã«ä½¿ç¨ããã¾ãã
BaseAudioContext.createDelay()
DelayNode
ã使ãã¾ããããã¯å
¥åãããé³å£°ä¿¡å·ãä¸å®æéé
å»¶ãããããã«ä½¿ç¨ãã¾ãããã®ãã¼ãã¯ãã¦ã§ããªã¼ãã£ãª API ã°ã©ãã§ãã£ã¼ãããã¯ã«ã¼ãã使ããéã«ã便å©ã§ãã
BaseAudioContext.createDynamicsCompressor()
DynamicsCompressorNode
ã使ãã¾ããããã¯é³å£°ä¿¡å·ã«é³é¿å§ç¸®ããããããã«ä½¿ç¨ãã¾ãã
BaseAudioContext.createGain()
GainNode
ã使ãã¾ããããã¯ãªã¼ãã£ãªã°ã©ãã®å
¨ä½çãªé³éãå¶å¾¡ããããã«ä½¿ç¨ãããã¨ãã§ãã¾ãã
BaseAudioContext.createIIRFilter()
IIRFilterNode
ã使ãã¾ããããã¯è¤æ°ã®ç°ãªãä¸è¬çãªãã£ã«ã¿ã¼ç¨®å¥ã¨ãã¦è¨å®å¯è½ãªäºæ¬¡ãã£ã«ã¿ã¼ã表ãã¾ãã
BaseAudioContext.createOscillator()
OscillatorNode
ã使ãã¾ããããã¯å¨æçãªæ³¢å½¢ã表ãã½ã¼ã¹ã§ããåºæ¬çã«ã¯é³ç¨ãçæãã¾ãã
BaseAudioContext.createPanner()
PannerNode
ã使ãã¾ããããã¯å
¥åããããªã¼ãã£ãªã¹ããªã¼ã ã䏿¬¡å
空éã§ç©ºéåããããã«ä½¿ç¨ããã¾ãã
BaseAudioContext.createPeriodicWave()
PeriodicWave
ã使ãã¾ããããã¯ãOscillatorNode
ã®åºåãæ±ºå®ããããã«ä½¿ç¨ã§ããã卿çãªæ³¢å½¢ãå®ç¾©ããããã«ä½¿ç¨ãã¾ãã
BaseAudioContext.createScriptProcessor()
鿍奍;
ScriptProcessorNode
ã使ãã¾ãããã㯠JavaScript ã§ç´æ¥é³å£°å¦çãè¡ãããã«ä½¿ç¨ãã¾ãã
BaseAudioContext.createStereoPanner()
StereoPannerNode
ã使ãã¾ããããã¯é³å£°ã½ã¼ã¹ã«ã¹ãã¬ãªããã³ã°ãé©ç¨ããããã«ä½¿ç¨ãããã¨ãã§ãã¾ãã
BaseAudioContext.createWaveShaper()
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ããããã«ä½¿ç¨ããã WaveShaperNode
ã使ãã¾ãã
BaseAudioContext.decodeAudioData()
ArrayBuffer
ã«æ ¼ç´ãããé³å£°ãã¡ã¤ã«ã®ãã¼ã¿ãéåæã«ãã³ã¼ããã¾ãããã®å ´åã ArrayBuffer
ã¯é常 XMLHttpRequest
ã® response
屿§ã« responseType
ãè¨å®ããå¾ã«èªã¿è¾¼ã¾ãã¾ãããã®ã¡ã½ããã¯å®å
¨ãªãã¡ã¤ã«ã«å¯¾ãã¦ã®ã¿åä½ããé³å£°ãã¡ã¤ã«ã®æçã«å¯¾ãã¦ã¯åä½ãã¾ããã
statechange
ç¶æ
å¤åã¡ã½ããï¼AudioContext.suspend
, AudioContext.resume
, AudioContext.close
ï¼ã®ãããããå¼ã³åºããããã¨ã«ãã£ã¦ AudioContext
ã®ç¶æ
ãå¤åããã¨ãã«çºçãã¾ãã
åºæ¬çãªãªã¼ãã£ãªã³ã³ããã¹ãã®å®£è¨:
const audioContext = new AudioContext();
ã¯ãã¹ãã©ã¦ã¶ã¼å¯¾å¿ã®å¤åå½¢:
const AudioContext = window.AudioContext || window.webkitAudioContext;
const audioContext = new AudioContext();
const oscillatorNode = audioContext.createOscillator();
const gainNode = audioContext.createGain();
const finish = audioContext.destination;
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