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14.04 蓝牙滞后（延迟、延迟）和跳过

tag-icon • tag-icon 14.04 sound bluetooth pulseaudio
14.04 蓝牙滞后（延迟、延迟）和跳过

我碰到：

  1. https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/405294
  2. Pulseaudio 无法自动检测蓝牙耳机
  3. 如何获得一致的蓝牙音频播放？（对我没有帮助）

我可以将音频直接传输到我的蓝牙设备，尽管我遇到了很多跳过的情况。

$ tail -n 100 /var/log/syslog | grep -i bluetooth
Aug  2 22:29:56 orion pulseaudio[3227]: [bluetooth] module-bluetooth-device.c: Skipping 209917 us (= 37028 bytes) in audio stream
Aug  2 22:30:01 orion pulseaudio[3227]: [bluetooth] module-bluetooth-device.c: Skipping 293454 us (= 51764 bytes) in audio stream
Aug  2 22:30:08 orion pulseaudio[3227]: [bluetooth] module-bluetooth-device.c: Skipping 80787 us (= 14248 bytes) in audio stream
Aug  2 22:30:17 orion pulseaudio[3227]: [bluetooth] module-bluetooth-device.c: Skipping 258969 us (= 45680 bytes) in audio stream
Aug  2 22:30:17 orion pulseaudio[3227]: [bluetooth] module-bluetooth-device.c: Skipping 181144 us (= 31952 bytes) in audio stream
Aug  2 22:30:37 orion pulseaudio[3227]: [bluetooth] module-bluetooth-device.c: Skipping 46465 us (= 8196 bytes) in audio stream

以下是有关我的系统的更多信息：

$ lspci -knn | grep Net -A2
01:00.0 Network controller [0280]: Broadcom Corporation BCM43142 802.11b/g/n [14e4:4365] (rev 01)
    Subsystem: Dell Wireless 1704 802.11n + BT 4.0 [1028:0016]
    Kernel driver in use: wl

$ uname -r
3.19.0-25-generic

$ cat /etc/*release* | grep -i dist
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=14.04
DISTRIB_CODENAME=trusty
DISTRIB_DESCRIPTION="Ubuntu 14.04.2 LTS"

$ lsusb | grep -i bluetooth
Bus 004 Device 003: ID 0a5c:21d7 Broadcom Corp. BCM43142 Bluetooth 4.0

$ ls -l /lib/firmware/brcm | grep hcd
-rw-r--r-- 1 root root  28266 Jul 28 19:15 BCM43142A0-0a5c-21d7.hcd

$ modinfo wl | grep parm
parm:           passivemode:int
parm:           wl_txq_thresh:int
parm:           oneonly:int
parm:           piomode:int
parm:           instance_base:int
parm:           nompc:int
parm:           intf_name:string

有人知道如何解决这个问题吗？

更新：

当我打开 wifi 时，会出现这些错误，而关闭 wifi 时，不会出现此类跳过。

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