Linear Acoustic UPMAX2251 User Manual Download

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Linear Acoustic upMAX 2251 User Guide

List of Figures

1-1

Audio Block Diagram .................................................................................................... 6

2-1

Rear Panel .................................................................................................................... 10

3-1

UPMAX 2251 in a commercial upmixing application ................................................. 14

3-2

UPMAX 2251 with Dolby DP572 Dolby E Decoder ................................................. 15

3-3

UPMAX 2251 in a live sports application ................................................................... 16

3-4

UPMAX 2251 in a music awards-type program .......................................................... 17

4-1

Main Screen showing level meters to the left and menus to the right. ........................ 19

4-2

Modify Processing menu; scroll down to access Ext L/R Mix (as shown on right menu)

4-3

Setup menu ................................................................................................................... 21

4-4

Save Preset menu before (left) and after (right) saving ................................................. 23

Summary of Contents for UPMAX2251

Page 1: ...UPMAX2251 5 1 Channel Surround Field Synthesizer User Guide...

Page 2: ......

Page 3: ...MAX2251 5 1 Channel Surround Field Synthesizer User Guide Release Date March 2005 Software Version 1 021 and Later Linear Acoustic Inc Phone 888 292 3117 US FAX 717 735 3612 email www LinearAcoustic c...

Page 4: ...HORIZED CUSTOMER REPAIRS OR ANY FURTHER DAMAGE CAUSED BY INADEQUATE PACKAGING FOR SERVICE RETURN ARE NOT COV ERED BY THIS WARRANTY PLEASE SAVE THE SHIPPING CARTON AND ALL PACKING MATERIALS FAIL URE TO...

Page 5: ...Rear Panel 10 2 3 1 Connection Ports 10 2 4 Front Panel 11 2 4 1 What s Behind Door 1 11 Chapter 3 Applications 13 3 1 Typical Scenarios 13 3 1 1 Two Channel Commercials and Interstitial Programming...

Page 6: ...with Dolby DP572 Dolby E Decoder 15 3 3 UPMAX 2251 in a live sports application 16 3 4 UPMAX 2251 in a music awards type program 17 4 1 Main Screen showing level meters to the left and menus to the ri...

Page 7: ...ce Fully compatible with all surround formats including Dolby Digital Upmixed surround field is infinitely adjustable in width and depth External inputs allow mixing of discrete audio signals with int...

Page 8: ...Mix In Center Ext Center Level Center Width Ext LFE Level 80 Hz Mix In LFE Surround Width Ext Ls Level Ext Rs Level Mix In Ls Mix In Rs Surround Depth Ext Lf Level Ext Rf Level Mix In Lf Mix In Rf Ma...

Page 9: ...much is summed back into the Left and Right Main Output A setting of 100 indicates that all of the upmixed Surround audio is being fed to the Ls Rs Main Output while 0 indicates that all of the upmix...

Page 10: ...ed LoRo for Left only Right only Downmixing may also produce an LtRt compatible signal by performing a pseudo surround encode A 90 degree phase shift is applied to the surround signals in the Dolby Di...

Page 11: ...d documentation are kept up to date Bag containing one power cord style matches country unit is shipped to a handy sharpie with our name and logo conspicuously emblazoned on it a quick start sheet tha...

Page 12: ...r stereo natural crowd or ambience audio via the Ls Rs Left sur round Right surround inputs Lf Rf Left front Right front inputs are useful for placing audio in the left and right main outputs with no...

Page 13: ...KGROUP with no password This connection is primarily used to support a software remote control running on a standard PC clone via a standard network connec tion Metadata In Connect to the Professional...

Page 14: ...i e pulling the plug and enters protection mode This mode causes the unit to stay in bypass and remain unpowered until someone opens the door and briefly pushes the reset switch This prevents brown o...

Page 15: ...hannel mix This chapter discusses several applications of the UPMAX 2251 Integrating 2 channel commercials into a 5 1 channel program Creating a 5 1 channel sports program from stereo plus natural sou...

Page 16: ...s the annoying fact that stereo commercials don t seem to fit into the 5 1 channel program This is because in many cases the commercials are simply transmitted on the Left and Right channels of a 5 1...

Page 17: ...the upmixing process will auto matically be turned on and off and audio will be silently crossfaded between the two modes Figure 3 2 shows how this can be easily accomplished Figure 3 2 UPMAX 2251 wi...

Page 18: ...igure 3 4 shows how a music awards type program can be greatly simplified by the use of an UPMAX 2251 The main stereo or surround mix of the program is applied to the LtRt Main Inputs while crowd nois...

Page 19: ...d a few to get you started By all means make adjustments listen store your new preset with a name of your choice when you get it just right we even have some Swedish characters in there Linear Acousti...

Page 20: ...ertain mu sic mixes Two channel mono programs will be reproduced from the Center channel only LIVE 4 CH to 5 1CH Couples a straight two channel to 5 1 channel upmix with external surround information...

Page 21: ...igure 4 1 shows the main screen The top eight meters show input activity for the Main Input Lt Rt and the Mix Inputs C LFE Ls Rs Lf Rf The bottom eight meters show the output activity for the Main AES...

Page 22: ...low each of the controls is presented with the default setting in bold Center Center Width controls how much of center channel output of the upmixer is spread back into the Left and Right channel Main...

Page 23: ...xt Surround Mix controls how much attenuation is applied to the discrete external Left and Right Surround channel Mix Inputs are mixed into the Left and Right Surround channel Main Outputs Default 0dB...

Page 24: ...ixer to be activated This mode is use ful when GPI A or B of the upMAX 2251 is being sourced from the Status Port of a DP572 Dolby E Decoder as it will provide a constant 5 1 channel signal regardless...

Page 25: ...e it please call us to assist recovery without losing presets If you wish to remove the password sim ply enter the old password then enter nothing for the new one and select Save You will be prompted...

Page 26: ...LCD display must be replaced when it fails We like the light show and the meters and have not had a display fail in three years of almost constant use but we are being respectful of our customer s bud...

Page 27: ...Linear Acoustic upMAX 2251 User Guide Menus 25 4 1 5 Lock Front Panel Select this menu to lock the front panel funny enough...

Page 28: ...Linear Acoustic upMAX 2251 User Guide Menus 26...

Page 29: ...RS 485 9 pin female D connector on rear panel Metadata Output RS 485 9 pin female D connector on rear panel GPIO Port TTL level 25 pin female D connector Ethernet Port RJ 45 female jack connector Anal...

Page 30: ...3 u 48 3 u 61 cm Net Weight 25 lb 12 6 kg approx Shipping Weight 32 lb 15 75 kg approx Power Requirements 115 220 VAC switchable 50 60 Hz Power Consumption 40 W maximum Operating Temperature 0o C to 5...

Page 31: ...in female RS 485 full duplex 115 kbps Pinout is compatible with SMPTE 207M Table 5 5 Metadata Output Port Pinout Pin Connection 1 Shield 2 TX A asynchronous data out 3 RX B asynchronous data in 4 Grou...

Page 32: ...und to activate their func tions The 5 V output for external GPO indicators is limited by a self resetting fuse Table 5 6 GPI O Parallel Control Port Pinout Pin Function Pin Function 1 5 V 150 mA 14 5...

Page 33: ...ot used Table 5 7 Lt Rt 7 8 Analog Output Pinout Pin Connection Pin Connection 1 Rt Out 14 Rt Out 2 Rt Ground 15 Lt Out 3 Lt Out 16 Lt Ground 4 No Connection 17 No Connection 5 RESERVED 18 RESERVED 6...

Page 34: ...Linear Acoustic upMAX 2251 User Guide Specifications 32...

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