New product launch - beosound theatre?

1346 replies
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Sadly, the cable I was waiting on did not arrive on time for the Beogram so I ended up buying some cheapo stuff from Amazon. The Line-in volume is significanlty lower than streamed music, I have the volume way past 50. It sounds alright  but I little muddy to my ears.
I have a Beogram 8002 connected to a SoundSmith phono preamp connected to the Theatre with the USB adapter from Sounds Heavenly.  I have no complaints at all with the sound, it sounds fantastic and at the proper volume.  The only issue I might" have is once I was playing a record and it suddenly became silent.  I think what happened is the Theatre changed sources, possibly on it's own. I didn't do the proper troubleshooting steps (because of panic) to determine if this was the case, I just restarted the Theatre and all was well again.
The Line-in volume is significanlty lower than streamed music, I have the volume way past 50.
The level of a line-level signal is dependent on the relationship between the output level of the source device and the sensitivity of the input to which it's connected. As a wise woman I know says: it takes two to tango." This assumes that the output device has a maximum output level that is lower than or equal to the expected maximum input level of the downstream device. If the source device has a higher output than the expected, then you just get distortion, independent of the volume setting of the output device (because the signal gets clipped at its input, before the gain that's implemented by the volume control). I wrote a much longer and geekier explanation of this here link with some extra related information here  
PLEASE READ before sending me a Personal Message.

If you have questions about or problems with B&O equipment, these should be directed through your dealer and/or B&O's Customer Service department.

I cannot be a "short circuit", bypassing these communication channels.

Thanks
-geoff
Also, note that we can now assign the “Center” role to the Theatre’s Front and Left Front-Firing speakers. I’m interested to compare the difference with these added speakers.
Wait, how you do this? I have the beta app and the latest firmware and it still won’t let me do that.
Remember that, if you choose to do this, the Speaker Distances and Speaker Levels that you assign to multiple outputs with the same Speaker Role have a HUGE effect on the perceived result. This is also true with VERY small changes in parameters when the physical sources are close together. In other words, don’t jump to conclusions about “how things sound” without playing around with the parameters significantly.
Indeed. I watched Yellowstone" and kept toggling between having just the center  front-firing speaker and also having all three front-firing speakers as the center role. I found that using all three speakers of the Theatre for the center role was too much and really reduced the immersive surround sound. I think that just using the single speaker for center channel might be better.
I hope that future development of the app will let us indicate which type of beolab speaker is connected to a Receiver 1 so that Room Sense has the information to do the proper calculations.
Is there a place where I can find what value to assign to a Beolab 2 connected via Receiver 1 for the Redirection Level? If I were to connect it to a wired socket temporarily to get the value via Room Sense, I would have to re-do everything.
Sadly, the cable I was waiting on did not arrive on time for the Beogram so I ended up buying some cheapo stuff from Amazon. The Line-in volume is significanlty lower than streamed music, I have the volume way past 50. It sounds alright but I little muddy to my ears.
What Beogram are you using? It may be that you need an RIAA pre-amp before the connection to the Theatre. This would explain the low level and ‘muddiness’. (I think that in an earlier post you said that you previously used a Beomaster 6000 with the Beogram, which would have had a pre-amp/RIAA stage built in.)
Sadly, the cable I was waiting on did not arrive on time for the Beogram so I ended up buying some cheapo stuff from Amazon. The Line-in volume is significanlty lower than streamed music, I have the volume way past 50. It sounds alright but I little muddy to my ears.
I have a Beogram 8002 connected to a SoundSmith phono preamp connected to the Theatre with the USB adapter from Sounds Heavenly. I have no complaints at all with the sound, it sounds fantastic and at the proper volume. The only issue I “might” have is once I was playing a record and it suddenly became silent. I think what happened is the Theatre changed sources, possibly on it’s own. I didn’t do the proper troubleshooting steps (because of panic) to determine if this was the case, I just restarted the Theatre and all was well again.
The Line-in volume is significanlty lower than streamed music, I have the volume way past 50.
The level of a line-level signal is dependent on the relationship between the output level of the source device and the sensitivity of the input to which it’s connected. As a wise woman I know says: “it takes two to tango.” This assumes that the output device has a maximum output level that is lower than or equal to the expected maximum input level of the downstream device. If the source device has a higher output than the expected, then you just get distortion, independent of the volume setting of the output device (because the signal gets clipped at its input, before the gain that’s implemented by the volume control). I wrote a much longer and geekier explanation of this here https://www.tonmeister.ca/wordpress/2021/05/07/turn-it-down-half-way/ with some extra related information here https://www.tonmeister.ca/wordpress/2020/06/03/beolab-3rd-party-source-with-a-high-level-output/
Is there a place where I can find what value to assign to a Beolab 2 connected via Receiver 1 for the Redirection Level?
I could find this out once I get back to work after the holidays - but in order to calculate this, I/you would need to know all of the loudspeakers in the Listening Position, and their individual Speaker Roles. Send me a DM over Beoworld in the first week of January.
PLEASE READ before sending me a Personal Message.

If you have questions about or problems with B&O equipment, these should be directed through your dealer and/or B&O's Customer Service department.

I cannot be a "short circuit", bypassing these communication channels.

Thanks
-geoff
Thank you, Geoff.

When you explain things, it really helps me understand. I'm beginning to see that maybe I had gotten too hung up on the 7.1.4 (or maybe it's 7.3.4 now according to the new role options for subwoofers?) limitation of True Image upmixing. I had become so fascinated by the speaker placement guides on the Dolby Atmos site that I was thinking how great it would be to take advantage of True Image to extend my setup to 9.1.4 or even 11.1.6. Perhaps MORE speakers might not always be BETTER -- such as in a setup where I was thinking of adding BL6000 speakers for the Wide roles when those speakers would not be able to perform as well as the 4 BL9 and 2 BL1 speakers they would be competing with.
Your comments make me wonder about my plan to add a pair of 4000s to the Theatre/28s/1s.  As you say, perhaps more is not always better.
The most optimal situation is to be able to hear the mix as the mixing engineer heard it. However, this is not possible in many/most situations. I originally designed the upmixing portion of the True Image processor with a rather simple aim:
  • If you are sitting in the correct location (commonly called the "sweet spot" - although this is misleading) with a correctly-configured system, then upmixing with True Image should not change your perception of the mix, so it is redundant - or at least unnecessary.
  • If you are NOT sitting in the correct location, then upmixing with True Image should help to deliver a perceived mix (primarily the spatial attributes) that is more like what you would hear in the correct location.
Note that the downmixing portion of True Image has a different purpose - but that's not what we're talking about. Note as well that this was my aim - real-world results may vary with different loudspeaker configurations, listening rooms, and mixes. For example: If you play Suzanne Vega (or listen to the lead vocal in any pop tune) over a correct 2.0 stereo configuration, but you sit slightly to the right of centre, then you'll hear the vocals on the right. If you upmix that track to a correctly-configured 5-channel output, then you're more likely to hear the vocals in the centre loudspeaker. The Dolby Atmos decoder in Beosound Theatre (just like all other consumer-level Dolby Atmos-compatible devices that I know of...) can decode/render a maximum of 7.1.4 channels. It is typically safe to assume (but it is an assumption) that a Dolby Atmos-encoded signal was monitored in 7.1.4 when they made the mix.* Note that this does not necessarily mean that the mix actually uses all of those channels. Some mixing engineers choose to omit some channels (by sending silence on them) for technical or artistic reasons. Based on that assumption, it is also safe to assume that, if the mix was in 7.1.4, then upmixing it with additional output channels is unnecessary, since the reason to make any surround mix is to make the perceived spatial attributes in the mix more similar over a wider listening area. (For example, if you have one chair and no friends and a good 2.0 channel stereo system, you have no need of a centre loudspeaker because phantom imaging works very well...) Finally, to come back to your earlier comment (maybe "complaint"? :-) ): The Speaker Role options that were originally available in Beovision 11 -> Harmony were based on a master set of multichannel formats that never actually happened in consumer-level distribution. For example, in the early days of 7.1-channel signals, DTS had 7 different variants of layouts. Sony's SDDS system supported 5 channels across the front and only 2 surround channels. Since the Speaker Roles had to be ready to support all of those channels in all possible then-future formats, the True Image upmixer was made to deliver them when they were not present at the input. For example, if you chose to build an SDDS configuration instead of a now-normal 7.x configuration, then True Image had to be compatible with that choice, and therefore it would create outputs appropriately. Since these format configurations never actually materialised in distribution media, there is no real need to continue supporting them with upmixing just for upmixing's sake. As you said: more isn't necessarily better - sometimes it's just more.     It's important as well to separate the x.1.z vs. x.2.z vs. x.3.z difference from this, since that is a separate issue that is handled by bass management, not up/down-mixing.   * This may not be necessarily true for big-budget movies, since Atmos-compatible cinema systems can support up to 24.1.10 channels, which might actually be present in a large-scale re-recording theatre.
PLEASE READ before sending me a Personal Message.

If you have questions about or problems with B&O equipment, these should be directed through your dealer and/or B&O's Customer Service department.

I cannot be a "short circuit", bypassing these communication channels.

Thanks
-geoff
Question, please:

My Setup is BL90 front left/right ... Theatre ... BL18 rear surrounds. I would like to modifiy the role(s) of the Theatre speakers/chassis or even turn them on/off in this setup. With my Avant 55 this was easy in the "Speaker Role" menu. But with the Theatre/LG G2 i can't find that option ... not in the LG-TV B&O software, nor in the B&O App.

Any ideas?

Best regards

Tom

PS: Will there be a Technical Sound Guide for the Theatre, like there is for the BL90?

 

 
Beo911,

TV sound guide https://forum.beoworld.org/forums/topic/new-product-launch-beosound-theatre/page/31/#post-12766

check out my other posts on using Listening Positions running room sense separately for centre, surround and BL90 fronts, copying the BL90 to have narrow, wide, omni presets
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