Difference between revisions of "Surround Sound"
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===Surround 7.1 With Exakt Front and Selekt module surround=== | ===Surround 7.1 With Exakt Front and Selekt module surround=== |
Revision as of 12:01, 7 August 2019
Contents
- 1 Introduction
- 2 Requirements
- 3 Terminology
- 4 Rules
- 5 Codecs/Bitstreams supported
- 6 Room Setup
- 6.1 Symbol Key
- 6.2 Stereo 2.0
- 6.3 Stereo 2.1
- 6.4 Surround 3.1
- 6.5 Surround 4.0
- 6.6 Surround 4.1
- 6.7 Surround 5.1
- 6.8 Surround 7.1
- 6.9 Surround 7.2
- 6.10 Invalid Surround Setup (No Fronts)
- 6.11 Invalid Surround Setup (No Surrounds)
- 6.12 Invalid Surround Setup (Partial Front Group)
- 6.13 Invalid Surround Setup (Partial Surround Group)
- 6.14 Invalid Surround Setup (Partial Rear Group)
- 7 Speaker Setup
- 7.1 Symbol Key
- 7.2 Factory specification Linn DSM (NO Surround Module Upgrade)
- 7.2.1 Stereo 2.0
- 7.2.2 Surround 3.1 With Non Exakt Centre and Sub
- 7.2.3 Surround 4.0 All Exakt
- 7.2.4 Surround 5.1 With Integrated Exakt Fronts & Exaktbox "Surround" speaker
- 7.2.5 Surround 5.1 With analogue Fronts & Exaktbox "Surround" speaker
- 7.2.6 Surround 5.1 With Integrated Exakt Fronts
- 7.2.7 Surround 5.1 With Non Exakt Centre and Sub
- 7.2.8 Surround 5.1 With Integrated Exakt Fronts & Surrounds, Non Exakt Centre & Sub
- 7.2.9 Surround 5.1 With ExaktBox for "Surround" speaker
- 7.2.10 Surround 7.1 With Integrated Exakt Centre And Sub
- 7.2.11 Surround 7.1 With Integrated Exakt Fronts, Surrounds And Rears
- 7.2.12 Surround 7.1 With Non Exakt Centre And Sub
- 7.2.13 Surround 7.1 All Exakt Box
- 7.2.14 Surround 7.1 All ExaktBox set for "Surround" Speaker
- 7.3 Linn DSM with LINN SURROUND MODULE upgrade
- 7.3.1 Stereo 2.0
- 7.3.2 Surround 3.1 With Non Exakt Centre and Sub
- 7.3.3 Surround 3.1 using all Selekt modules for Centre/Sub channels and Exakt Fronts
- 7.3.4 Surround 4.0 using all Selekt modules for Surround channels and Exakt Fronts
- 7.3.5 Surround 5.1 With All Exakt
- 7.3.6 Surround 5.1 using all Selekt modules
- 7.3.7 Surround 5.1 using all Selekt modules and Exakt Fronts
- 7.3.8 Surround 5.1 With Integrated Exakt Fronts & Exaktbox for "Surround" Speaker
- 7.3.9 Surround 5.1 With Exaktbox Fronts & Exaktbox for "Surround" Speaker
- 7.3.10 Surround 5.1 With Front analogue and Exaktbox for "Surround" Speaker
- 7.3.11 Surround 5.1 With Exaktbox for "Surround" Speaker
- 7.3.12 Surround 6.0 With Exaktbox for "Surround" Speakers without centre
- 7.3.13 Surround 7.1 With Integrated Exakt Fronts, Surrounds And Rears
- 7.3.14 Surround 7.1 With Exakt Front and Selekt module surround
- 7.3.15 Surround 7.1 With Exaktbox for "Surround" Speaker
- 7.3.16 Surround 7.1 All ExaktBox set for 5.1 "Surround" Speaker and Selekt module for front
- 7.4 Selekt DSM - front Exakt speakers & Exatkbox configured for Surround mode for 7.1 Surround Sound
- 7.5 Encoded Setups
- 8 FAQ's
- 8.1 Operation
- 8.2 Common setup
- 8.2.1 The Klimax Exaktbox has 6 outputs, can I use each output to drive a loudspeaker in my 5.1 surround system?
- 8.2.2 How can I configured the SUB to only work with Movies
- 8.2.3 What setting do I put on my Linn Sub-woofer with this Surround setup?
- 8.2.4 I have an exclamation mark icon (!) on my DSM display. What does this mean?
- 8.2.5 Do my front left/right speakers always have to be Exakt speakers?
Introduction
The Davaar 55 software release introduces Surround Sound (multichannel) support to all existing DSM products that feature both HDMI and Exakt functionality.
This document gives an overview of the surround feature and provides examples of the various configuration options available.
If you are using Exaktboxes, from Linn DSM firmware Davaar68 (Jan 2019):
- Speakers can be driven from any combination of:
- Direct analogue output from the DSM
- Exakt Speaker
- Exaktbox configured with crossovers for one or two speakers
- Exaktbox configured for surround playback
- Speaker type set for
- 6 x Channel Passthrough for 5.1ch or
- 8 x Channel Passthrough or 7.1ch
- Speaker type set for
- Examples of speaker setups can be found HERE
- The Exaktbox-sub can only be used with sub-woofers,
The factory supplied products will only support decoded PCM surround audio. That is, already decoded into seperate surround channels.
However:
For bitstream decoding (Dolby/DTS):
The Linn Surround module is sold only as an upgrade to any:
List of products that support the surround upgrade module
- Selekt Products
- All variants of Selekt DSM (upgraded with Selekt HDMI switching module)
- Akurate Products
- Akurate DSM (Exakt variant) (upgraded with HDMI-2 board)
- Akurate DSM (4K compatible)
- Akurate DSM (Katalyst variant)
- Akurate Exakt DSM (upgraded with HDMI-2 board)
- Akurate Exakt DSM (4K compatible)
- Akurate System Hub
- Klimax Products
- The HDMI-2 boards have been fitted as standard since September 2016 and are available as an upgrade to all Akurate and Klimax DSM's.
Sneaky/Sekrit/Kiko & Majik Products
This Linn Surround Module upgrade is either not available or is not supported in these products.
Requirements
To support surround functionality:
- The DSM must have an Exakt interface to allow multiple speakers to be connected.
- The DSM must have an HDMI interface to enable delivery of surround audio content. A 3rd party source device (ex. Blu Ray player) must be used to deliver surround audio to the DSM via HDMI.
- The source device must be capable of delivering (non-encoded/uncompressed) PCM multichannel content if the Linn DSM does not have the Linn Surround module upgrade.
Terminology
Surround speaker configurations are expressed using two numbers separated by a dot (example "7.1"). The first number indicates the quantity of full frequency range (FFR) speakers in the system and the second number indicates the quantity of low frequency (subwoofer) speakers. A 5.2 system would therefore contain 5 FFR speakers and 2 subwoofers. Linn surround systems support a maximum of 7 FFR speakers with no limit on the number of subwoofers. Each speaker in the system has a specific role (type) which dictates the audio content that it plays.
The available FFR speaker types are:
- Front Left (FL)
- FrontRight (FR)
- Surround Left (SL)
- Surround Right (SR)
- Rear Left (RL)
- Rear Right (RR)
- Centre (C)
The available subwoofer (sub) speaker types are:
- Sub Mono (LFM)
- Sub Left (LFL)
- Sub Right (LFR)
- Sub LFE (LFE)
Rules
When configuring a surround system the following rules apply:
- No FFR duplicates: Only one of each FFR speaker type can be used.
- No partial groups: The speaker types FL/FR, SL/SR, RL/RR, LFL/LFR must always exist in pairs.
- Fronts must be present: FL and FR must always exist
- No Rears without Surrounds: The RL/RR pair cannot be present if SL/SR are not present
- Only one type of Sub: You cannot have a mix of MONO, Sub Left, Sub Right or LFE in the same system
All speakers, where applicable, should be set to factory default settings. (For Linn speakers this can be found in the Owner manuals section).
If these rules are not adhered to, the surround speaker configuration will be invalid. The front panel will indicate this by displaying a "!" near the volume display. The audio may also be muted automatically.
Songcast does not share any surround audio.
- If you are listening to a Stereo source then this is shared to other rooms.
- If you are listening to a Surround Source this is NOT shared to other rooms by Songcast.
Codecs/Bitstreams supported
This all depends on how your Linn DSM is setup.
Check Surround Sound variations for a better guide to your system configuration
Room Setup
The following diagrams show a range of typical valid surround room setups, indicating speaker types and positioning. Also shown are some invalid setups that break one or more of the rules outlined earlier.
Channel assignment and speaker offsets are set up in Konfig
Symbol Key
Stereo 2.0
Stereo 2.1
Surround 3.1
Surround 4.0
Surround 4.1
Surround 5.1
Surround 7.1
Surround 7.2
Invalid Surround Setup (No Fronts)
Invalid Surround Setup (No Surrounds)
Invalid Surround Setup (Partial Front Group)
Invalid Surround Setup (Partial Surround Group)
Invalid Surround Setup (Partial Rear Group)
Speaker Setup
In a traditional hardware surround system, speakers are assigned their type implicitly by the physical output they are connected to. With Exakt, any type can be applied to any speaker, using Konfig, regardless of how the speakers are physically connected. The following diagrams show various typical speaker connection examples for a range of surround configurations.
Symbol Key
An Exaktbox/Exaktbox-I that is "Configured for Surround" will have ALL of its outputs available for PASSIVE speaker operation. That is, full-range audio is available for each audio channel.
- When used in this mode you CANNOT have the same Exaktbox used for Aktiv/Exakt'ed speakers.
Factory specification Linn DSM (NO Surround Module Upgrade)
The following diagrams show various typical speaker connection examples for a range of surround configurations for a standard Linn DSM. Note: The only surround audio accepted for this setup, (no Linn Surround Module Upgrade), is Multi-channel LPCM audio. This is where the audio has already decoded from Surround audio bitstream and split into different channels. When the Exakt Box is configured "Surround speakers" this is Konfig filter type "6 x channel passthrough" or "8 x channel passthrough". No other filter can be loaded into the Exaktbox to drive any other speaker at the same time. This means that all of the Exaktbox outputs are dedicated to an audio channel playback. The Linn DSM audio outputs can also be used as any audio channel as well as Exakt loudspeakers and/or other Exaktboxes setup with filters for other loudspeakers.
Stereo 2.0
Surround 3.1 With Non Exakt Centre and Sub
Surround 4.0 All Exakt
Surround 5.1 With Integrated Exakt Fronts & Exaktbox "Surround" speaker
Surround 5.1 With analogue Fronts & Exaktbox "Surround" speaker
Surround 5.1 With Integrated Exakt Fronts
Surround 5.1 With Non Exakt Centre and Sub
Surround 5.1 With Integrated Exakt Fronts & Surrounds, Non Exakt Centre & Sub
Surround 5.1 With ExaktBox for "Surround" speaker
Surround 7.1 With Integrated Exakt Centre And Sub
Surround 7.1 With Integrated Exakt Fronts, Surrounds And Rears
Surround 7.1 With Non Exakt Centre And Sub
Surround 7.1 All Exakt Box
Surround 7.1 All ExaktBox set for "Surround" Speaker
Linn DSM with LINN SURROUND MODULE upgrade
The following diagrams show various typical speaker connection examples for a range of surround configurations with the LINN SURROUND MODULE installed: Note: Encoded Bitstream are formats such as DTS, Dolby Digital, Dolby ProLogic etc. When the Exakt Box is configured "Surround speakers" this is Konfig filter type "6 x channel passthrough" or "8 x channel passthrough". No other filter can be loaded into the Exaktbox to drive any other speaker at the same time. This means that all of the Exaktbox outputs are dedicated to an audio channel playback. The Linn DSM audio outputs can also be used as any audio channel as well as Exakt loudspeakers and/or other Exaktboxes setup with filters for other loudspeakers.
Stereo 2.0
Surround 3.1 With Non Exakt Centre and Sub
Surround 3.1 using all Selekt modules for Centre/Sub channels and Exakt Fronts
Using a Selekt combined cartridge in the Linn Selekt DSM
Surround 4.0 using all Selekt modules for Surround channels and Exakt Fronts
Using a Selekt line out cartridge with external power amplifier or a Selekt power amplifier cartridge in the Linn Selekt DSM
Surround 5.1 With All Exakt
Surround 5.1 using all Selekt modules
Surround 5.1 using all Selekt modules and Exakt Fronts
Using Exakt speakers and either
- a Selekt combined 1.1 cartridge plus Selekt power amplifier cartridge(s) or
- Selekt line out cartridge(s) with external power amplifier(s)
- in the Linn Selekt DSM
Surround 5.1 With Integrated Exakt Fronts & Exaktbox for "Surround" Speaker
Surround 5.1 With Exaktbox Fronts & Exaktbox for "Surround" Speaker
Surround 5.1 With Front analogue and Exaktbox for "Surround" Speaker
Surround 5.1 With Exaktbox for "Surround" Speaker
Surround 6.0 With Exaktbox for "Surround" Speakers without centre
Surround 7.1 With Integrated Exakt Fronts, Surrounds And Rears
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Surround 7.1 With Exakt Front and Selekt module surround
Using Exakt speakers/Exaktbox with either a
- Selekt combined 1.1 cartridge plus Selekt power amplifier cartridge(s) or
- Selekt line out cartridge(s) with external power amplifier(s)
- in the Linn Selekt DSM
Surround 7.1 With Exaktbox for "Surround" Speaker
Surround 7.1 All ExaktBox set for 5.1 "Surround" Speaker and Selekt module for front
Using a Selekt line out cartridge with external power amplifier or a Selekt power amplifier cartridge in the Linn Selekt DSM for the front speakers. Plus an ExaktBox configured for Surround speakers.
Selekt DSM - front Exakt speakers & Exatkbox configured for Surround mode for 7.1 Surround Sound
Encoded Setups
Some HDMI source devices (e.g. Sky Q) only output encoded audio streams. To use these devices with a Linn DSM without the Linn Surround Module, a 3rd party AV processor or HDMI repeater must be used to decode the stream. The diagrams below indicate how these setups may be connected.
Encoded 7.1 Without Exakt
Encoded 5.1 With Integrated Exakt Fronts
FAQ's
Operation
Linn DSM products with HDMI Audio pass-thro and surround processing
Release Davaar 4.2.3 (14th Oct 2011)
- The Linn DSM products HDMI output will:-
- 1. Pass-throu the HDMI audio when the Linn DSM is in Standby.
- 2. Pass-throu the HDMI audio when the Linn DSM is listening to an Analogue or Digital Audio input.
- 3. BLOCK the HDMI audio to the TV if the the DSM is listening to a HDMI input.
From Davaar50 (Sept 2016) the 'stripped' surround audio is no longer fed out of the Linn DSM - HDMI OUT to a surround processor. This is now processed with Exakt speakers, check Surround speaker setup.
The HDMI pass-throu and HDMI block still occur as above.
Common setup
The Klimax Exaktbox has 6 outputs, can I use each output to drive a loudspeaker in my 5.1 surround system?
- Yes if your Linn DSM has Davaar68 or higher firmware. This will allow you to setup individual surround channels for specific outputs of the Exaktbox.
How can I configured the SUB to only work with Movies
- If you want to use a Sub-woofer with the Stereo speaker you can add these as a "Front Left", "Front Right" or "Mono" channel.
- If you declare this as "LFE" then this output will only be available with HDMI surround playback.(When set to MONO then this is fed LFE plus Front Left and Front Right audio)
- Note: using both Analogue and Exakt output then the analogue output will occur approx 45mS BEFORE the Exakt playback.
What setting do I put on my Linn Sub-woofer with this Surround setup?
Put all Sub-woofer settings back to their default settings. (Check the Product Manuals for a guide to reset Linn speakers.)
I have an exclamation mark icon (!) on my DSM display. What does this mean?
- Your DSM has not detected all the speakers that were originally configured for surround. Open Konfig, select your DSM then the Exakt tab to see which speakers have been detected.
- If you have removed a speaker from your system (e.g. a centre channel), you may need to temporarily change channel assignment of another speaker. When you return this to its original value, Konfig will allow you to save the new surround configuration.
Do my front left/right speakers always have to be Exakt speakers?
- No, you can configure the analogue outputs of you Majik/Akurate/Klimax DSM to feed the front left/right and the Exaktbox/Exakt speakers for any other channels. However this will not be the best Musical option as the passive speaker will never sound as good as the fully Exakt'ed speakers.