PaulStoffregen
8 years ago
1 changed files with 10 additions and 6 deletions
+ 10
- 6
examples/HardwareTesting/PassThroughUSB/PassThroughUSB.ino
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| } | } | ||||
| void loop() { | void loop() { | ||||
| // TODO: make PC's volume setting control the SGTL5000 volume... | |||||
| // read the PC's volume setting | |||||
| float vol = usb1.volume(); | |||||
| // scale to a nice range (not too loud) | |||||
| // and adjust the audio shield output volume | |||||
| vol = vol * 0.75; | |||||
| sgtl5000_1.volume(vol); | |||||
| delay(100); | |||||
| } | } | ||||
| // A known problem occurs on Macintosh computers, where the Mac's driver | |||||
| // does not seem to be able to adapt and transmit horribly distorted | |||||
| // audio to Teensy after a matter of minutes. An imperfect workaround | |||||
| // can be enabled by editing usb_audio.cpp. Find and uncomment | |||||
| // "#define MACOSX_ADAPTIVE_LIMIT". More detailed info is available here: | |||||
| // Teensyduino 1.35 & earlier had a problem with USB audio on Macintosh | |||||
| // computers. For more info and a workaround: | |||||
| // https://forum.pjrc.com/threads/34855-Distorted-audio-when-using-USB-input-on-Teensy-3-1?p=110392&viewfull=1#post110392 | // https://forum.pjrc.com/threads/34855-Distorted-audio-when-using-USB-input-on-Teensy-3-1?p=110392&viewfull=1#post110392 | ||||
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