我最近需要对我的机器进行彻底的重新安装，而且大部分都运行正常。但是，当我尝试连接我的蓝牙耳机（Noga NG-55BT，通用蓝牙耳机）时，我无法将任何音频发送到该设备。它注册得很好，机器也能检测到它，但仅此而已。
我研究过此问题，其他网站上也尝试了各种方法，但都没有成功。
操作系统：Ubuntu 14.04 64位（Unity桌面）Realteck WIFI ppa：ppa：hanipouspilot/rtlwifi
以下是硬件信息：
hciconfig -a hci0
hci0: Type: BR/EDR Bus: USB
BD Address: 54:27:1E:12:C7:F4 ACL MTU: 820:8 SCO MTU: 255:16
UP RUNNING PSCAN
RX bytes:1365 acl:0 sco:0 events:143 errors:0
TX bytes:26411 acl:0 sco:0 commands:142 errors:0
Features: 0xff 0xfb 0xff 0xfe 0xdb 0xff 0x7b 0x87
Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
Link policy: RSWITCH HOLD SNIFF PARK
Link mode: SLAVE ACCEPT
Name: 'darko-CX-Nice-Evo-II-0'
Class: 0x6c0100
Service Classes: Rendering, Capturing, Audio, Telephony
Device Class: Computer, Uncategorized
HCI Version: 4.0 (0x6) Revision: 0xe3d
LMP Version: 4.0 (0x6) Subversion: 0xa5b1
Manufacturer: Realtek Semiconductor Corporation (93)
须藤luusb
Bus 004 Device 002: ID 8087:8000 Intel Corp.
Bus 004 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 002: ID 8087:8008 Intel Corp.
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 005: ID 13d3:3394 IMC Networks Bluetooth
Bus 001 Device 003: ID 046d:c52b Logitech, Inc. Unifying Receiver
Bus 001 Device 006: ID 4c2d:2900
Bus 001 Device 004: ID 0ac8:c303 Z-Star Microelectronics Corp. Saturn USB 2.0 Camera
Bus 001 Device 002: ID 05e3:0607 Genesys Logic, Inc. Logitech G110 Hub
Bus 001 Device 007: ID 04f2:b3a3 Chicony Electronics Co., Ltd
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
须藤inxi-A
Audio: Card-1: Intel 8 Series/C220 Series High Definition Audio Controller driver: snd_hda_intel
Card-2: Intel Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller driver: snd_hda_intel
Sound: Advanced Linux Sound Architecture ver: k4.2.0-27-generic
dmesg | grep -i blue
[ 1.543904] Bluetooth: Core ver 2.20
[ 1.543937] Bluetooth: HCI device and connection manager initialized
[ 1.543940] Bluetooth: HCI socket layer initialized
[ 1.543942] Bluetooth: L2CAP socket layer initialized
[ 1.543961] Bluetooth: SCO socket layer initialized
[ 1.558606] Bluetooth: RFCOMM TTY layer initialized
[ 1.558614] Bluetooth: RFCOMM socket layer initialized
[ 1.558619] Bluetooth: RFCOMM ver 1.11
[ 1.561643] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 1.561649] Bluetooth: BNEP filters: protocol multicast
[ 1.561654] Bluetooth: BNEP socket layer initialized
[ 1.583902] usb 1-6: Product: RT Bluetooth Radio
[ 2.614983] Bluetooth: hci0: rtl: examining hci_ver=06 hci_rev=000b lmp_ver=06 lmp_subver=1200
[ 2.614987] Bluetooth: hci0: rtl: loading rtl_bt/rtl8723a_fw.bin
pactl 列表短|grep blue
24 module-bluetooth-policy
25 module-bluetooth-discover
有任何想法吗？