Hi, On 2022-04-14 19:41, Hideki Yamane wrote: > Package: libusb-1.0-0 > Version: 2:1.0.26-1 > Severity: normal > X-Debbugs-Cc: henr...@debian.org > > Dear Maintainer, > > With upgrading libusb-1.0-0 package from 2:1.0.25-1 to 2:1.0.26-1, > my USB microphone (marantz PROFESSIONAL pod pack1, "C-Media Electronics, Inc. > Blue Snowball" with lsusb) just takes sounds as very low volume. However, > Other USB mic (logicool webcam) just works fine with both versions.
Could you please point me to which software you use with this microphone? Very few softwares use libusb to grab the audio. > Downgrading to 2:1.0.25-1 solves this problem. > > USB microphone's info via lsusb is attached. > Please let me know if you need more information to investigate this issue. > Thanks. Could you please run your application with the LIBUSB_DEBUG environment variable set to 99 for both versions 2:1.0.25-1 and 2:1.0.26-1, and send me the output? Thanks Aurelien -- Aurelien Jarno GPG: 4096R/1DDD8C9B aurel...@aurel32.net http://www.aurel32.net
