I'm trying to get my Jabra BIZ 2400 USB HeadSet working on my Debian Jessie install, but I get nothing from the headphones.I've installed Audacity to test things and it will record audio, but then plays it back at what sounds like 400% (squeaky and fast) even though it lasts the three seconds that I said testing 1, 2, 3, testing.From Debian Sound on XTronics Wiki it suggests to do the following to install:apt-get install alsa-base alsamixergui alsa-oss alsaplayer-alsa alsaplayer-commonalsaplayer-gtk alsaplayer-oss alsa-tools alsa-tools-gui alsa-utils bluez-alsa     gstreamer0.10-alsa libsox-fmt-alsa jackd jackd2 jackeq jack-rack jack-stdio jack-tools pulseaudio-module-jack qjackctl qjackrcd slv2-jack vlc-plugin-jack pulseaudio pulseaudio-esound-compat pulseaudio-module-gconf pulseaudio-module-jack pulseaudio-module-x11 pulseaudio-module-zeroconf pulseaudio-utils vlc-plugin-pulse pavucontrolThis removes all of the 'preferred device' selection in Audio/Video Settings, replacing it with PulseAudio Sound Server, along with an additional tab 'Audio Hardware Setup', selecting Jabra BIZ 2400 USB along with Digital Stereo Output/Analog Mono Input in HARDWARE and PlayBack (Jabra BIZ 2400 USB Digital Stereo / Digital Output (S/PDIF).But the test buttons (FRONT LEFT/RIGHT) do nothing.Any ideas.EDIT:Don't know if it's relevant, but whilst looking for audio related programmes to check on my machine, I found [Jack Audio Connection Kit], it throws an error on start with the following notes:22:51:00.459 Patchbay deactivated.22:51:00.463 Statistics reset.22:51:00.485 ALSA connection change.Cannot connect to server socket err = No such file or directoryCannot connect to server request channeljack server is not running or cannot be started22:51:00.492 ALSA connection graph change.22:51:03.153 JACK is starting...22:51:03.153 /usr/bin/jackd -dalsa -dhw:0 -r48000 -p1024 -n2Cannot connect to server socket err = No such file or directoryCannot connect to server request channeljack server is not running or cannot be started22:51:03.158 JACK was started with PID=7171.no message buffer overrunsno message buffer overrunsno message buffer overrunsjackdmp 1.9.10Copyright 2001-2005 Paul Davis and others.Copyright 2004-2014 Grame.jackdmp comes with ABSOLUTELY NO WARRANTYThis is free software, and you are welcome to redistribute itunder certain conditions; see the file COPYING for detailsJACK server starting in realtime mode with priority 10self-connect-mode is Don't restrict self connect requestsaudio_reservation_initAcquire audio card Audio0creating alsa driver ... hw:0|hw:0|1024|2|48000|0|0|nomon|swmeter|-|32bitALSA: Cannot open PCM device alsa_pcm for playback. Falling back to capture-only modeCannot initialize driverJackServer::Open failed with -1Failed to open server22:51:03.261 JACK was stopped22:51:05.139 JACK is starting...22:51:05.140 /usr/bin/jackd -dalsa -dhw:0 -r48000 -p1024 -n2Cannot connect to server socket err = No such file or directoryCannot connect to server request channeljack server is not running or cannot be started22:51:05.143 JACK was started with PID=7178.no message buffer overrunsno message buffer overrunsno message buffer overrunsjackdmp 1.9.10Copyright 2001-2005 Paul Davis and others.Copyright 2004-2014 Grame.jackdmp comes with ABSOLUTELY NO WARRANTYThis is free software, and you are welcome to redistribute itunder certain conditions; see the file COPYING for detailsJACK server starting in realtime mode with priority 10self-connect-mode is Don't restrict self connect requestsaudio_reservation_initAcquire audio card Audio0creating alsa driver ... hw:0|hw:0|1024|2|48000|0|0|nomon|swmeter|-|32bitALSA: Cannot open PCM device alsa_pcm for playback. Falling back to capture-only modeCannot initialize driverJackServer::Open failed with -1Failed to open server22:51:05.226 JACK was stopped22:51:07.298 Could not connect to JACK server as client. - Overall operation failed. - Unable to connect to server. Please check the messages window for more info.Cannot connect to server socket err = No such file or directoryCannot connect to server request channeljack server is not running or cannot be started23:00:37.347 JACK is starting...23:00:37.348 /usr/bin/jackd -dalsa -dhw:0 -r48000 -p1024 -n2Cannot connect to server socket err = No such file or directoryCannot connect to server request channeljack server is not running or cannot be started23:00:37.354 JACK was started with PID=7903.no message buffer overrunsno message buffer overrunsno message buffer overrunsjackdmp 1.9.10Copyright 2001-2005 Paul Davis and others.Copyright 2004-2014 Grame.jackdmp comes with ABSOLUTELY NO WARRANTYThis is free software, and you are welcome to redistribute itunder certain conditions; see the file COPYING for detailsJACK server starting in realtime mode with priority 10self-connect-mode is Don't restrict self connect requestsaudio_reservation_initAcquire audio card Audio0creating alsa driver ... hw:0|hw:0|1024|2|48000|0|0|nomon|swmeter|-|32bitALSA: Cannot open PCM device alsa_pcm for playback. Falling back to capture-only modeCannot initialize driverJackServer::Open failed with -1Failed to open server23:00:37.444 JACK was stopped23:00:39.458 Could not connect to JACK server as client. - Overall operation failed. - Unable to connect to server. Please check the messages window for more info.Cannot connect to server socket err = No such file or directoryCannot connect to server request channeljack server is not running or cannot be startedObject::connect: No such signal org::freedesktop::UPower::DeviceAdded(QString)Object::connect: No such signal org::freedesktop::UPower::DeviceRemoved(QString)
Jabra BIZ 2400 USB HeadSet doesn't output sound
usb;audio;alsa;pulseaudio