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Hi,

I'm using two Silvers in my studio as main monitors, and they are really great at revealing all details in the mix.

But....

The Dialog generates a latency of at least 40ms

That means playing a piano piece on a metronome click or a drum beat is nearly impossible. On 130BPM the signal comes an 8th note later than your keystroke.

What if you split the Tosslink signal and feed both Phantoms an optical signal, bypassing the Dialog?
Wouldn't that reduce the latency significantly?

I really don't care for internet radio and such.

Anybody any ideas on this?

G.
(02-Aug-2016, 18:03)ghuinink Wrote: [ -> ]Hi,

I'm using two Silvers in my studio as main monitors, and they are really great at revealing all details in the mix.

But....

The Dialog generates a latency of at least 40ms

That means playing a piano piece on a metronome click or a drum beat is nearly impossible. On 130BPM the signal comes an 8th note later than your keystroke.

What if you split the Tosslink signal and feed both Phantoms an optical signal, bypassing the Dialog?
Wouldn't that reduce the latency significantly?

I really don't care for internet radio and such.

Anybody any ideas on this?

G.
The delay is in the Phantoms themselves. I do not think Dialog introduces delay. Use of Digital Signal Processing, especially for time domain correction necessitates delay. Phantoms are not optimal for real time use unfortunately. See also this thread: http://devialetchat.com/showthread.php?tid=3188
Wow, i read everything and saw the Youtube video about impulse response correction.

You mean that process is going on in the Phantoms?

I could have overseen it, but where is it mentioned on the Devialet site?


So, on the bright side, this improves the sound a lot, on the down side it generates latency which is inevitable?

Well, i can bypass this problem by recording with headphones in critical situations, because my soundcard generates only 10ms latency.

But it is still a shame.

Thanks for the explanation though.
G.
(02-Aug-2016, 20:26)ghuinink Wrote: [ -> ]You mean that process is going on in the Phantoms?

I could have overseen it, but where is it mentioned on the Devialet site?

Phantom is a very clever design. I have not seen proper measurements of Phantoms in a review yet (like Stereophile), but I am quite sure it would look decent. Nor have I seen any description of this on the Devialet site. They are talking about 'point source' and diffraction in a white paper from 2014 http://en.devialet.com/assets/V3/pdf/Whi...tom-en.pdf but no mention of how they use DSP.
just referencing to this post, for there are additional response items:
http://devialetchat.com/showthread.php?tid=3188
(02-Aug-2016, 20:26)ghuinink Wrote: [ -> ]Wow, i read everything and saw the Youtube video about impulse response correction.

You mean that process is going on in the Phantoms?

I could have overseen it, but where is it mentioned on the Devialet site?


So, on the bright side, this improves the sound a lot, on the down side it generates latency which is inevitable?

Well, i can bypass this problem by recording with headphones in critical situations, because my soundcard generates only 10ms latency.

But it is still a shame.

Thanks for the explanation though.
G.

I did listen to White Phantoms at home this weekend. It is a very nice speaker, however it is not a time corrected design despite all the DSP power it has. Measurements I did (I use room correction) revealed that each drive unit's peak is visible in a step response. Disappointing considering all the R&D Devialet has put into the design, but not surprising when I think of my reaction listening to Phantoms earlier. This was demo room auditioning and I was not all that impressed with the size and precision of the sound stage. I have not listened to Golds yet. I hope time correction is improved here

In a different thread on this forum Devialet support is quoted to say that they are working on reducing latency. Devialet will try to get latency down to 20ms or less at some point in the future. This is easily fixed in firmware and will benefit all three Phantom models. Whether they will also look at time coherence between drivers is a different question.
I thought the whole point of SAM was time coherence? Well, that and bass extension, but in Phantom terms it would be odd if it weren't doing driver alignment as they own everything from DAC right through to the amps and drivers.
(06-Sep-2016, 19:08)Hifi_swlon Wrote: [ -> ]I thought the whole point of SAM was time coherence?  Well, that and bass extension, but in Phantom terms it would be odd if it weren't doing driver alignment as they own everything from DAC right through to the amps and drivers.

SAM does time and amplitude correction in the bass region the way I understand it. The bass from Phantoms is fabulous, but drivers are not time aligned. As you say, alignment ought to be there as they control every part of the design. The step response of the Kii Three is a good example of correct design. I've sent a report on this to Devialet.