Hi there,
We updated the firmware and you can delete your local one and download the latest one, burn to your xmos. Hope it can solve the issue. thanks.
[code]sudo apt-get update
sudo pip install pyusb click
git clone https://github.com/respeaker/usb_4_mic_array.git
cd usb_4_mic_array
sudo python dfu.py --download 6_channels_firmware.bin # The 6 channels version
if you want to use 1 channel,then the command should be like:
sudo python dfu.py --download 1_channel_firmware.bin[/code]