Introducing Trueplay and the New PLAY:5

  • 29 September 2015
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242 replies

It's possible to calibrate Android microphones, see my thread regarding ELAC, who do it for their new line of subwoofers. I'm certain Sonos engineers Are Working On it.
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upstatemike - I appreciate your thoughts, but I am of the opposite opinion on the phone/tablet being a great universal remote. But part of that is that I don't have young kids and have built my home systems around the use of smartphones/tablets.

I certainly would not complain if Sonos had a dedicated remote, but would not purchase myself.
https://en.community.sonos.com/wireless-speakers-228992/dsp-room-correction-43916
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A possible solution to the mic situation is for SONOS to provide one that plugs into the mic input of the phone,laptop etc.
They will then have a known starting point.
A Sonos supplied mic is how I thought they would go whenever room response DSP was to be offered. It need not be very expensive these days. Do all phones accept input from a typical mic or are there physical and electrical compatibility issues?
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I would imagine most phones, if not all, would accept a mic via the headphone socket due to hands free laws,in the UK at least.
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The mic performance/behaviour is probably where most of the difference occurs and if this can be known/calibrated at source any noise, from phones, can be averaged out.

A lot of phone mics are probably covered in fluff, jean fluff is probably more dense than handbag fluff 🙂
Is there any update now to when Trueplay will be available to the rest of us that aren't in the beta?
Is there any update now to when Trueplay will be available to the rest of us that aren't in the beta?
Trueplay requires iOS, and iOS controllers don't feature in public betas. It therefore follows that Trueplay will only be generally available when the production release is made. No-one outside Sonos knows when that might be.
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Is there any update now to when Trueplay will be available to the rest of us that aren't in the beta?
Trueplay requires iOS, and iOS controllers don't feature in public betas. It therefore follows that Trueplay will only be generally available when the production release is made. No-one outside Sonos knows when that might be.


Just as ratty said, we'll be announcing as soon as the release data is ready to be made public, but the first time to test it will be when it comes out. We're excited to hear what you have to think about it when it comes out.
While waiting for Trueplay, below is a comment in a review and similar ones are to be found in others:

"In their normal positions, with ample space around them, we noticed a minimal difference when we turned Trueplay on or off. But when we placed the Play:5 behind the sofa and re-tuned it, the difference was far more significant. That's where Trueplay really shows its worth: by avoiding the muddy sound that can occur when a speaker it too close to a wall."

Many of us that know even a little about home audio are going to keep their speakers in at least halfway decent places to start with. And almost no one will, or will feel the need to place it behind the sofa - not even people that know little about obtaining good sound quality in the home. Given this, it will be interesting to see how Trueplay fares at my home, where speaker placement is close to optimal.

I have a suspicion that in many real world cases Trueplay is going to deliver sound that is different, but not necessarily better.

Time will tell.
Well no, if Trueplay finds the sound is already optimal it shouldn't make any changes. You might find you don't like the sound if you're the sort of person that likes your music drowning in bass (which seems to be a lot of people) but that's a different matter.
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I think many people will have speakers that are in sub-optimal places when you consider the number of people who don't live in large homes with "standard" rooms and when you factor in partners who may not be so keen to have large and ugly (I don't think Sonos speakers are ugly but partners may do!) speakers on stands in "ideal" room places - In fact I can think of many partners who would actively seek to "hide" speakers behind furniture as they wouldn't fit in with a room's décor.
Many listeners don't like "flat" response, they prefer more bass or treble. I'm not criticizing the listener, only making an observation. For this type of listener, Trueplay is not a very useful feature.

For the "flat" fans, I hope that reviewers publish some curves -- along with a discussion about what the curves imply. Trueplay improves an already remarkably smooth response.
Another review said that what it does is bump up the midrange a little and roll back the extremes - in places where it does not need to do much else. The resultant elevation in mid range presence may be a listener preference of many. One thing Trueplay does not do yet is to specify a music genre to be played for the tuning process. Different genres may benefit from different tuning approaches.

In any case, a rapid way to defeat it is a welcome feature.

Curves would be very interesting, but very few reviewers do that. The only place I have seen these for Sonos kit is the Brent Butterworth play 1 review.
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Trueplay is designed to compensate for acoustical properties of the room each player it is placed in. Some rooms absorb high frequencies, some rooms reflect too much bass, etc.. Trueplay Tuning gives each player a flatter 'default' tonal quality relative to the room it is placed in, which can then be further fine tuned with the bass, treble and loudness controls that already exist to suit your personal preference. Obviously everyone's Opinion varies, but in my experience I feel Trueplay tuning makes each player's baseline response sound brighter and clearer overall. Once tuning has been completed, it can be switched on and off with the difference noticeable immediately.
Many listeners don't like "flat" response, they prefer more bass or treble. I'm not criticizing the listener, only making an observation. For this type of listener, Trueplay is not a very useful feature.

For the "flat" fans, I hope that reviewers publish some curves -- along with a discussion about what the curves imply. Trueplay improves an already remarkably smooth response.


Stereophile, unfortunately, isn't going to measure "lifestyle" speakers. Hopefully Brent Butterworth will review and measure them, as he did the Play:1.

http://stereos.about.com/od/Wireless/fl/Review-Sonos-Play1.htm
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Many listeners don't like "flat" response, they prefer more bass or treble. I'm not criticizing the listener, only making an observation. For this type of listener, Trueplay is not a very useful feature.

For the "flat" fans, I hope that reviewers publish some curves -- along with a discussion about what the curves imply. Trueplay improves an already remarkably smooth response.


heres a review with some curvy things !
http://arstechnica.co.uk/gadgets/2015/10/sonos-play5-review-the-best-sounding-wireless-speaker-system-weve-ever-used/
Just to clarify :-

i) will Trueplay work on all existing Sonos devices, presumably with a software update, or will it only work with the new Play5 and beyond?
ii) if it does work with older units, do we have any idea (or even a vague plan) of when a mic solution for non-iOS users will be available?
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Just to clarify :-

i) will Trueplay work on all existing Sonos devices, presumably with a software update, or will it only work with the new Play5 and beyond?
ii) if it does work with older units, do we have any idea (or even a vague plan) of when a mic solution for non-iOS users will be available?


i) Trueplay will work with Play 1, Play 3, Play 5 and new Play 5
ii) no, there is no indication when this may be possible. For correct calibration, the sound profile of the mic must be known. Apple have a limited number of devices available across their range so this is relatively easy. Android devices can be made by hundreds of different manufacturers and quite possible different mics even within the same product range depending on age etc so the possibilities are endless. Could be a while !
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I'm just wondering how effective it will be. A comment in a previous post said "As far as Trueplay is concerned, it will absolutely make a more noticeable difference in some homes over other".

Somehow I'm not expecting a huge difference. And will it sound any better, or just different? We will find out tomorrow!
The idea is it will sound more "accurate", ie more like what the engineer heard in the studio, whether people think that's "better" is entirely a matter of personal taste, a lot of people seem to find comfort in hugely overblown, flabby bass. I suspect those people will be disappointed.
For more on Trueplay effects see:
https://en.community.sonos.com/wireless-speakers-228992/play5-gen-2-review-and-true-play-6732683/index1.html#post15978583
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Actually it can make a big difference especially on he play:1. Yes it depends on your room and placement of speaker. If you have a room fairly good acoustically and speaker is placed in middle of room there may not be a lot of correction. I guess you will find out soon enough.
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Just to clarify :-


ii) if it does work with older units, do we have any idea (or even a vague plan) of when a mic solution for non-iOS users will be available?


No. We don't know even if Sonos will support it. You would have a couple of options. Buy a cheap IPhone (Best check which OS you need) and Install the Sonos app. Or, get a friend who has an IPhone or Ipad to pop round. Have them download and install the Sonos app and then tune your speakers. It only needs to be re-done if you move the speakers and takes maybe 2 minutes per speaker (or stereo pair)