Originally Posted by Farewarning
Seldon ball, thank you for the very detailed reply.
You're very welcome.
I suspected it had to do with the passing signals that the Xbox was pushing to the receiver but i never thought it would be normal. if I do as you say to eliminate the relay clicking
am i losing any Atmos functionality?
No: Atmos signals always use all of your Main Zone speakers without interference from the upmixers.
or I'm just telling the Marantz that all speakers are on all the time?
Effectively yes, but it's not that simple.
Selecting one of the upmixers changes the incoming audio from 2.0 (or 5.1 or 7.1) to 7.1.4 (or whatever speaker configuration you have), making use of the surround and overhead spakers.
Unfortunately, all of D&M's equipment designs use relays to turn off unused speaker channels. They don't just turn down the volume all the way, which would be less obtrusive. FWIW, just turning down the volume is
an option when "Mute" is enabled. (The "Mute" operation is described on pages 84 & 166 of the SR6012's owner's manual.) It'd be nice if the equivalent of Mute were available as an option for the unused channels when audio formats change, but it isn't.
Will this affect any sound decoding concerning movies and games?
The receiver is supposed to remember three separate Sound Mode settings for each input and each soundtrack encoding on that input. (The three are associated with the Movie, Music and Game buttons. (The buttons' names are just for your convenience and don't actually imply anything about the audio.)
All of the "Sound Mode" settings available when you press one of the Music, Movie or Game buttons apply only to the input and signal type that you're listening to when you select a specific sound mode. For example, if you use the "Blu-ray" input and are watching a movie with a Dolby Digital soundtrack, when you press the "Movie" button and choose the Sound Mode "Stereo", all DD movies that you watch with the BR input will use only the Front Left and Front Right speakers (and the subwoofer if those speakers are configured as Small).
Am i wording that right?
I think so, although the situation is more complex than you probably thought.
I'm trying to say if i stream a movie in 5.1 the receiver will leave my ceiling speakers on and i'll get unwanted noise out of them?
No: the relays you hear clicking prevent that unwanted noise from being audible. For example, when you're playing a 5.1 soundtrack, the relays disable the Rear Surround and overhead speakers, ensuring that they're silent. (Unless you're playing a DTS soundtrack. The DTS decoder always changes a 5.1 soundtrack to 7.1, copying the Surround channels to the Rear Surround channels.)
Without those relays, if you were to stream a non-3D soundtrack and if the receiver left all of the speaker channels and associated amplifiers enabled, then you might
hear a slight amount of noise and/or crosstalk from the unused speakers. Actually, in most cases that noise level would be so low that you wouldn't be able to hear it. In a few cases, especially in those systems which have highly efficient speakers (sensitivities higher than ~100dB/W/M), that slight amount of noise might be audible.
Are you saying ALL Marantz receivers do this? really appreciate your input.
Yes. Also all Denon receivers. (Denon and Marantz equipment are designed by the same company and share most of their electronics.) One way to look at it that thery're optimized for continuously listening to the same type of soundtrack (stereo, multichannel or 3D). The relays' noise can be obtrusive if you watch a lot of TV or (in your case) use an XB1, where the audio format changes frequently.
There is another workaround to avoid the relay clicks, but it's quite inconvenient: you have to go into the Manual Setup speaker menu and disable the speakers you don't want to hear. This isn't particularly useful when the incoming soundtrack unpredictably changes from stereo to multichannel to Atmos.