gnome sound recorder fails to record when USB audio devices connected

After connecting two USB devices with audio functionality, gnome-sound-recorder fails to record any audio.

Disconnecting them restores the ability of gnome-sound-recorder to record.

The devices are…

AK5370 I/F A/D Converter Mono (Logitech AK5370 Microphone)

Mic (PTZ) Analog Mono (Logitech QuickCam® Orbit™ MP)

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: gnome-media 2.31.6-0ubuntu2
ProcVersionSignature: Ubuntu 2.6.35-32.67-generic 2.6.35.14
Uname: Linux 2.6.35-32-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
Date: Mon Apr 9 10:12:42 2012
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429)
ProcEnviron:
 LANG=en_US.utf8
 SHELL=/bin/bash
SourcePackage: gnome-media