Wiim Pro EQ introduces latency?!

[Geodr]

I have two sources playing to separate sets of speakers in two adjacent rooms, and inserted a Wiim pro in the signal path of one of the sources to take advantage of the room correction feature. When either the Wiim parametric or graphic EQ is turned on in the app, that introduces significant signal latency, so the sound is delayed between the two rooms. When the EQ is turned off, the sound is perfectly in sync in the two rooms, the same as it was before the Wiim pro was inserted in the signal chain. I have spent a lot of time trying to zero out the latency using the Wiim app manual sync feature, but I can never seem to zero it out. Does anyone have any idea what the actual latency is using the EQ, and how to get rid of it?

 

[harkpabst]

What devices do you have in the other room and how do you group them?

If there's a latency there's always a reason for that. The only technical solution is usually to also delay the other device(s).

 

[Geodr]

Two Sonos devices powering speakers in two adjacent rooms, in perfect sync with Wiim EQ off, but time delay between two rooms introduced when Wiim EQ on. Asking if there's a known time delay to enter in Wiim app under manual sync, that would erase the latency

 

[slartibartfast]

Two Sonos devices powering speakers in two adjacent rooms, in perfect sync with Wiim EQ off, but time delay between two rooms introduced when Wiim EQ on. Asking if there's a known time delay to enter in Wiim app under manual sync, that would erase the latency

If you add a time delay in manual sync you will increase the latency.

 

[Geodr]

What does it mean that the manual sync time delay can be input from +1000 ms to -1000 ms? Seems to suggest that you can decrease the latency ...?

 

[Mr Ee]

What does it mean that the manual sync time delay can be input from +1000 ms to -1000 ms? Seems to suggest that you can decrease the latency ...?

Would that really be in relation to other wiims in a wiim group?

 

[Wiimer]

What does it mean that the manual sync time delay can be input from +1000 ms to -1000 ms? Seems to suggest that you can decrease the latency ...?

So, if you adjust it to the negative side, can you sync? No problem trying that.

 

[hgo58]

Would that really be in relation to other wiims in a wiim group?

Yes. The negative delay is a positive delay in the other devices in the group. You cannot play something before it arrives .

 

[Mr Ee]

Yes. The negative delay is a positive delay in the other devices in the group. You cannot play something before it arrives .

Not even if I apply a dac filter with lots of pre-ringing?

I guess the point I was trying to make it that a -ve delay only makes sense within a wiim group, not when some of the devices are non-wiim devices.

 

[hgo58]

Not even if I apply a dac filter with lots of pre-ringing?

I guess the point I was trying to make it that a -ve delay only makes sense within a wiim group, not when some of the devices are non-wiim devices.

So to solve the issue of the OP, the delay must be applied to the other Sonos speaker.

All digital filtering introduce a delay, that is how it works. The delay is however usually very short and should not be audible.

 

[Wiimer]

Two Sonos devices powering speakers in two adjacent rooms, in perfect sync with Wiim EQ off, but time delay between two rooms introduced when Wiim EQ on. Asking if there's a known time delay to enter in Wiim app under manual sync, that would erase the latency

It is odd that the amount of delay increases with EQ on. I have connected my phone to the WiiM via Bluetooth and compared EQ on and off, and see no change in the amount of delay. Please try rebooting and reconnecting all devices as well.

How are the WiiM and Sonos connected?

If you cannot sync on the Sonos side, you may need to add another WiiM.

 

[slartibartfast]

It is odd that the amount of delay increases with EQ on. I have connected my phone to the WiiM via Bluetooth and compared EQ on and off, and see no change in the amount of delay. Please try rebooting and reconnecting all devices as well.

How are the WiiM and Sonos connected?

If you cannot sync on the Sonos side, you may need to add another WiiM.

I have tried with and without EQ for my optical TV input and I don't notice any video sync issues.

 

[harkpabst]

All digital filtering introduce a delay, that is how it works. The delay is however usually very short and should not be audible.

Same here, I never noticed any difference, but I hardly play anything multi-room except for testing.

Like @Wiimer I'd still like to know how the grouping is done. Is the WiiM Pro connected to one of the Sonos devices and Sonos is handling the multi-room part all on its own? How is the Pro connected to the Sonos? RCA cable?

 

[Geodr]

So one signal path is Sonos port to Wiim Pro to DAC to receiver to speakers, and the other signal path is Sonos amp to a second set of speakers. If I group the Sonos devices and play the same streaming input, there is no delay between the two signal paths with EQ off, but there is a quite audible delay between the two signal paths with Wiim Pro graphic or parametric EQ on.