loud pops after last firmware and mcu update
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04-11-2020, 07:11 PM
This occurs when the dac goes to sleep when usb is unplugged and when my MacBook goes to sleep with usb plugged in.
anyone else experiencing this problem and / or have a solution? Would it be possible to degrade the MCU and XMOS firmware, I'd rather have the wrong filters than those loud pops that are dangerous for my speakers
04-13-2020, 12:54 AM
(04-11-2020, 07:11 PM)Koen 提到: This occurs when the dac goes to sleep when usb is unplugged and when my MacBook goes to sleep with usb plugged in. Dear Koen, Sorry for the inconvenience, please stop to use the DAC temporaryly. We will try to reproduce your issues and fix it . Please use the XMOS and MCU firmwares by the following links: MCU v2.5 and XMOS v3.01: https://www.matrix-digi.com/en/news/20191011428.html MCU v2.7 https://www.matrix-digi.com/en/news/20191217441.html
Chief Fun Officer of Matrix Audio
![]() (04-13-2020, 12:54 AM)Cao Wei 提到:Dear Cao Wei,(04-11-2020, 07:11 PM)Koen 提到: This occurs when the dac goes to sleep when usb is unplugged and when my MacBook goes to sleep with usb plugged in. Thank you for your kind and prompt reply! In the morning I will downgrade the device. have a nice day! Koen
04-15-2020, 09:24 AM
Hi Koen,
If you get a chance to test it, please let me know if it works fine with the elder firmware. Thank you.
Chief Fun Officer of Matrix Audio
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04-17-2020, 08:42 AM
(04-15-2020, 09:24 AM)Cao Wei 提到: Hi Koen, hi Cao Wei, yesterday I have downgraded the mcu firmware to 2.5 and left Xmos firmware at 3.30. after unplugging usb there was a loud pop when the dac went into stand-by modus. today or tomorrow I will downgrade the Xmos firmware and test again. cheers
04-20-2020, 02:12 AM
(04-17-2020, 08:42 AM)Koen 提到:Hi Koen, Thanks for your info.(04-15-2020, 09:24 AM)Cao Wei 提到: If you get a chance to test it, please let me know if it works fine with the elder firmware. We also tested with our Mac Mini, but we did not reproduce the issue you met. Looking forward to your further test results. Thank you again.
Chief Fun Officer of Matrix Audio
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04-21-2020, 08:06 AM
Hi did not have the free time to test further, I will keep you informed!
cheers koen |
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