I have a bit of an odd situation, and wanted to ask for ideas. Recently started connecting a JBL Charge 2+ to my MBA 11 inch, mid-2013, via Bluetooth. I noticed that there's clear delay between sound event and sound being audible via the JBL. The problems persists across applications (so for example, playing video via VLC means the sound isn't synced, same for youtube videos in different browsers, same for mp3s that start playing with a small delay, etc.) The delay is minor, but noticeable, in the range of 0.5s I'd say. At first I thought it might be a Bluetooth driver issues, but now I found out the following: just connected another JBL device, a Flip 3 to the same MBA, and the sound plays without noticeable delay.

I'm not sure if they use the exact same drivers, but now I'm wondering:. Is there a chance that it's a hardware problem? Didn't really consider this a possibility, but now I'm not sure anymore. How to test, and, ideally, fix this issue? How can I isolate the reason for the audio lag with the Charge 2+? Any help would be appreciated!

Bluetooth lag is a known problem with some, but not all, remote speakers, headsets, etc. We have several Vizio sound bars that have a definite lag, but a Harmon-Kardon speaker set that doesn't. In some cases, adjusting a specific Bluetooth system parameter in Terminal can help with the lag. This works on some of our Vizio sound bars, but we had to hard-wire others to guarantee no video syncing issues. Sudo defaults write com.apple.BluetoothAudioAgent 'Apple Bitpool Min (editable)' -int 40 The -int value can be experimented with to troubleshoot, but I'd be cautious and not be too extreme in the values you try. I found this information at.

Since posting, I've already tried the Bitpool Min/Max etc. Changes you suggest.

There is possibly a minor improvement, but still a noticeable lag (I showed video to others, and they said 'It's out of sync'). So, while it might be related, changing the values (even to what seems to be the max of 80) doesn't fully fix it. Really wish I could isolate why the Flip doesn't have the problem, but the Charge2+ does, given that they're quite similar.

I'd upvote if I could, but not enough reputation on here yet:) – Feb 28 '16 at 15:36.

Bliuetooth Headphones Lag Djay For Mac

Why is there an audio delay when using a Bluetooth Dongle? Sometimes when utilizing a Bluetooth dongle (like the BTD 500 or BTD 800) Bluetooth dongle there may be a delay in the audio transmission. The delay on Bluetooth speech/microphone transmission is caused by how the PC is utilizing the audio information it is being provided. For example when using the MM 500-X + BTD 500 in communication mode the two (2) devices toggle from the A2DP profile to the Handsfree Profile in order to run full duplex audio (this is not possible in A2DP). Here the latency is at about 20-40 m/s whereas the A2DP has latency of about 120 m/s so the issue is not latency.

When dongle is introduced for the PC the PC only sees it as a sound card with input/output and the usage of these interfaces chooses the profile to be used between the dongle and the headset. The Handsfree profile is activated when it sees activity on the microphone path (communications). Hence when there is a delay in the microphone audio the problem MUST be within the PC platform and how it chooses to use the audio resource. The way to alter/resolve this would be to adjust the PC settings and how it interfaces with the dongle.

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