Kenwood 6070 Instruction Manual - Page 34
Ambience effects, THX Surround EX mode, DTS-ES, Re-equalization Re-EQ, Timbre Matching
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Ambience effects DTS-ES The DTS-ES (Digital Theater System-Extended Surround) represents 6.1-channel Discrete Surround format, expanding upon 5.1 surround. DTS-ES format is a 6.1 channel sound system for movie theaters that includes an additional surround center channel matrixed within surround left and surround right. It's compatible on predecessor DTS 5.1 system. The extra channel allows more accurate placement and steering of sound accross the rear soundstage.The DTS-ES receiver will be required, to experience a discrete 6.1-channel mix. The DTS-ES decoders used in home cinema systems have decoding options for utilizing the extra channel, in addition to processing existing 5.1 channel surround sound : DTS-ES Discrete 6.1 and DTS-ES Matrix 6.1 add the surround back channel audio to the DTS 5.1-channel format to improve the acoustic positioning and makes acoustic image movement more natural with the 6.1-channel reproduction. NEO:6 is a new technology which decodes 2-channel signals into 6channel signals using high-accuracy digital matrix technology. For the best results, DTS-ES should be used with movie sound tracks recorded with DTS-ES format which contain a digital flag that will automatically activate this feature. However, for some titles, this feature has to be activated manually. According to the signals to be played back, DTS NEO:6 uses either the NEO:CINEMA mode optimized for movie playback or the NEO:MUSIC mode optimized for music playback. Center speaker Subwoofer (SW)* Front speakers (L, R) Surround speakers (L, R) * Optional in this mode. Surround back speakers (L, R) * LFE = Low Frequency Effects. This channel delivers separate nondirectional bass signals to the subwoofer for more dynamic deep bass sound effects. DTS has a .1 or LFE channel. The indication "LFE" appears in the display when a signal is being input for this channel. THX Surround EX mode THX Surround EX is an extension of THX which was jointly developed by Lucasfilm THX and Dolby Laboratories. This new technology is able to place sound directly behind the listener as it allows the sound mixers to encircle the listener with 360-degree pans. THX Surround EX is able to redirect bass energy in the surround back channels to the subwoofer. It requires re-equalization of the surround back channels to match the charecteristics of the front and left or right surround channels. It also consist of the basic THX features such as Re-equalization (ReEQ), Timbre Matching, Adaptive Decorrelation, Bass Peak Level Manager and Loudspeaker Position Time Synchronisation. Center speaker Subwoofer (SW) Surround speakers (L, R) Front speakers (L, R) Surround back speakers (L, R) Re-equalization (Re-EQ) When listening in a typical home room, there may be some variation of echo due to air absorption and smaller space. The sound produced by flat response loudspeakers normally used in the cinema can be overly bright in the home environment. Thus, Re-equalization (Re-EQ) will adjust this condition to fit the home environment for a similar cinema effect. Timbre Matching Due to human condition, listening to sound from various directions of speakers can be very disturbing. So, it is important to smoothen the flow of sound to suit the home cinema environment. Timbre Matching is able to smoothen the flow of sound to the listener who will be able to enjoy the cinema effect at home. Adaptive Decorrelation Mono sound track produced from the speaker system comes from only one direction, which does not exemplify the cinema surround sound experience. Adaptive Decorrelation is able to adjust the inaccuracy of this sound distribution. Bass Peak Level Manager Certain sound tracks may produced various bass peaks that could be unpleasant in a home cinema environment. Therefore, a user-adjust- able Bass Peak Level Manager is used to control the bass level to suit the system's capacity. ∞ Loudspeaker Position Time Synchronisation This function enables you to adjust the different speaker's distance to your listening position. It permits an accurate synchronisation, which creates the ultimate sound environment. 34 EN