Limited availability
audioTracks
㯠HTMLMediaElement
ãªãã¸ã§ã¯ãã®èªã¿åãå°ç¨ããããã£ã§ãã¡ãã£ã¢è¦ç´ ã®é³å£°ãã©ãã¯ã表ããã¹ã¦ã® AudioTrack
ãªãã¸ã§ã¯ããåæãã AudioTrackList
ãªãã¸ã§ã¯ããè¿ãã¾ãã
ãã®ã¡ãã£ã¢è¦ç´ ã¯ã<audio>
è¦ç´ ã¾ã㯠<video>
è¦ç´ ã®ã©ã¡ãã§ããã¾ãã¾ããã
è¿ããããªã¹ãã¯çãã¦ãã¾ããã¤ã¾ãããã©ãã¯ãã¡ãã£ã¢è¦ç´ ã«è¿½å ãåé¤ãããã¨ããªã¹ãã®å 容ãåçã«å¤æ´ããã¾ããä¸åº¦ãªã¹ãã¸ã®åç §ãå¾ãã°ãæ°ããé³å£°ãã©ãã¯ã追å ãããããæ¢åã®ãã®ãåé¤ããããããã¨ãã«ããã®å¤æ´ãç£è¦ãããã¨ãã§ãã¾ããã¡ãã£ã¢è¦ç´ ã®ãã©ãã¯ãªã¹ãã®å¤æ´ãç£è¦ããæ¹æ³ã«ã¤ãã¦ã¯ã AudioTrackList ã®ã¤ãã³ããåç §ãã¦ãã ããã
å¤ã¡ãã£ã¢è¦ç´ ã«å«ã¾ããé³å£°ãã©ãã¯ã®ãªã¹ãã表ã AudioTrackList
ãªãã¸ã§ã¯ãããã©ãã¯ã®ãªã¹ãã¯ãé
åè¨æ³ãããªãã¸ã§ã¯ãã® getTrackById()
ã¡ã½ããã使ã£ã¦ã¢ã¯ã»ã¹ã§ãã¾ãã
åãã©ãã¯ã¯ããã®ãã©ãã¯ã«é¢ããæ
å ±ãæä¾ãã AudioTrack
ãªãã¸ã§ã¯ãã«ãã£ã¦è¡¨ããã¾ãã
ãã®ä¾ã§ã¯ãç¹å®ã®è¦ç´ ã®ãã¹ã¦ã®é³å£°ãã©ãã¯ããã¥ã¼ããã¦ãã¾ãã
HTMLHTML ã§ãè¦ç´ èªä½ã確ç«ãã¾ãã
<video id="video" src="somevideo.mp4"></video>
JavaScript
JavaScript ã³ã¼ãã§ãåç»è¦ç´ ã®é³å£°ãã©ãã¯ã®ãã¥ã¼ããå¦çãã¾ãã
const video = document.getElementById("video");
for (let i = 0; i < video.audioTracks.length; i += 1) {
video.audioTracks[i].enabled = false;
}
仿§æ¸ ãã©ã¦ã¶ã¼ã®äºææ§ é¢é£æ
å ±
HTMLMediaElement
: HTMLMediaElement.audioTracks
ããããã£ãå®ç¾©ãã¦ããã¤ã³ã¿ã¼ãã§ã¤ã¹<audio>
, <video>
AudioTrack
, AudioTrackList
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