Created
October 23, 2017 19:04
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Test file for a bug in the Chrome's Web Audio API implementation on macOS that only recognizes 2 output channels, even for interfaces with more.
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="UTF-8" /> | |
| <title>Multichannel USB Audio Interfaces Only Report Two Output Channels on macOS</title> | |
| <style> | |
| body { | |
| font-family: sans-serif; | |
| text-align: center; | |
| } | |
| #question { | |
| padding-top: 2em; | |
| font-size: 1.5em; | |
| } | |
| #numChannels { | |
| font-style: bold; | |
| font-size: 10em; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <p id="question"> | |
| According to the Web Audio API, how many output channels does the current audio device have? | |
| </p> | |
| <div id="numChannels"></div> | |
| <script> | |
| var ac = new AudioContext(); | |
| var numChannels = ac.destination.maxChannelCount; | |
| document.getElementById("numChannels").innerHTML = numChannels; | |
| </script> | |
| </body> | |
| </html> |
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