I have disabled Wi-Fi and tested a buffered video in Chrome on Youtube
(which is where I stream my music mostly from, though the stuttering and
lag was present in all other applications too), and there seems to be
almost no lagging or clicking at all. There was a lag of perhaps 100 ms
only, but nothing substantial and also not near as frequent as with Wi-
Fi on. I then tested again with Wi-Fi on, and it is stuttering again.
On my system, I use an Intel 6205 Wi-Fi card, but this card does not
have bluetooth on the same card. As seen above, my T430 has a build in
bluetooth USB device (Broadcom BCM20702). Because of this, any online
solutions about Wifi/Bt coexistance may not apply, and I have even tried
them to no effect (Adding modprobe options to enable coexistance on or
off in the iwlwifi driver)
Many thanks for looking into it.
My rfkill list output when wifi was disabled (software switch, not
hardware)
penguin@thinkpadT430 ~ $ rfkill list
0: tpacpi_bluetooth_sw: Bluetooth
Soft blocked: no
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: yes
Hard blocked: no
2: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
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https://bugs.launchpad.net/bugs/1825639
Title:
Pulseaudio skips some time in the audio buffer, causing a bluetooth
delay and crackling/clicking sound. [Broadcom Corp. BCM20702 Bluetooth
4.0]
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