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Linear Acoustic UMPAX v4 User Manual

Surroundfield controller
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UPMAX v4 Surroundfield Controller
Linear Acoustic Inc.
Phone:
717-735-3611
FAX:
717-735-3612
TelosAlliance.com/Linear
Web:
User Guide
Release Date: January 2019
Software Version: 0.0.20 and later

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Summary of Contents for Linear Acoustic UMPAX v4

  • Page 1 UPMAX v4 Surroundfield Controller User Guide Release Date: January 2019 Software Version: 0.0.20 and later Linear Acoustic Inc. Phone: 717-735-3611 FAX: 717-735-3612 TelosAlliance.com/Linear Web:...
  • Page 2 Warranty Information For the latest Telos Alliance warranty, visit: telosalliance.com/warranty...
  • Page 3 Regulatory Notices and Fusing Information This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with this instruction manual, may cause harmful interference to radio communications.
  • Page 4 s equipment complies with the EMC requirements of EN55103-1 and EN55103-2 when operated in an E2 environment accordance with this manual. IMPORTANT SAFETY NOTICE unit complies with the safety standard EN60065. The unit shall not be exposed to dripping or splashing and no objects filled with liquids, such as ee cups, shall be placed on the equipment.
  • Page 5 Fusing Information WARNING: To reduce the risk of fire, replace fuses only with the same type and rating. Both units use a universal switching power supply that handles the full range of nominal mains voltages between 90 and 264 VAC and any frequency between 50 Hz and 60 Hz.

  • Page 7: Table Of Contents

    Linear Acoustic AERO.100 User Guide Table of Contents List of Figures ............................xi Chapter 1: Introduction .........................5 Principles of Operation..................5 Warranty........................7 Chapter 2: Connections and Quick Setup ..............9 Unpacking and Inspection..................9 Installation .......................9 Rear Panel ......................10 2.3.1 Connection Ports..................10 Quick Setup Notes ....................11...
  • Page 8 Linear Acoustic AERO.100 User Guide 4.4.3 Preset Params..................18 I/O Menu ......................19 4.5.1 Master Bypass ..................19 4.5.2 GPI Control Enable................19 4.5.3 GPI Function (1 - 4) ................19 4.5.4 GPI Preset (1 - 4) .................20 4.5.5 Monitor Mode..................20 4.5.6 Upmix LfRf When ................20 4.5.7...
  • Page 9 Linear Acoustic AERO.100 User Guide 4.6.3 Test Tone Frequency ................24 4.6.4 Test Amplitude ..................24 Analog Control......................24 Communication.....................24 System........................24 4.10 Monitor Calibration (Analog Outputs)..............24 4.10.1 Main Channel SPL Adjustment............25 4.10.2 Subwoofer SPL Adjustment ...............26 Chapter 5: Troubleshooting ....................27 Problems and Possible Causes................27 5.1.1...
  • Page 10 Linear Acoustic AERO.100 User Guide...

  • Page 11: List Of Figures

    Linear Acoustic UPMAX v4 User Guide List of Figures Audio Block Diagram ......................... 6 Rear Panel ............................10 Electrical .............................29...
  • Page 12 Linear Acoustic UPMAX v4 User Guide...

  • Page 13: Chapter 1: Introduction

    Introduction Chapter 1: Introduction The Linear Acoustic UPMAX v4 produces a 5.1 channel audio signal that is perfect for eventual transmission to all consumers. The unit accepts a 2-channel input and “upmixes” it to fill as many of the 5.1 output channels as the user selects. Any input signal from mono to stereo to LtRt (Left Total/Right Total) surround encoded audio and even three channel (M&E plus Dialog) can be applied to the Main Inputs and an output will be produced that...
  • Page 14 Linear Acoustic UPMAX v4 User Guide Introduction Figure 1-1 Audio Block Diagram...

  • Page 15: Warranty

    Linear Acoustic UPMAX v4 User Guide Introduction Warranty For the latest Telos Alliance warranty, visit: telosalliance.com/warranty...

  • Page 16: Chapter 2: Connections And Quick Setup

    USB stick with this manual • Spare fuses and a handy black pen. • Warranty information: Please fill out and return the warranty card to Linear Acoustic to ensure your software and documentation are kept up to date. Installation UPMAX v4 installation requires: •...

  • Page 17: Rear Panel

    Inputs 1-6, or a time-aligned passthrough of the 7/8 input. • Monitor Control: Remote control of analog volume, mute, and return to reference us- ing a standard rotary encoder, switches, and LEDs (with series resistors). A suitable high-quality remote control is available from Linear Acoustic.
  • Page 18 Remote port. Quick Setup Notes The Linear Acoustic UPMAX v4 is configured at the factory and is ready to go on the air after making the proper input and output connections and determining if upmixing is de- sired.

  • Page 19: Chapter 3: Applications

    Dolby encoding and decoding. The Linear Acoustic UPMAX v4 is not a substitute for a good, discrete multichannel mix (if one is available), however it is a useful tool for creating one.

  • Page 20: General Notes

    Linear Acoustic UPMAX v4 User Guide Applications 3.1.1 General Notes The latency of the UPMAX v4 has been kept as low as possible. To take best advantage of this, make sure it is installed in a synchronous system (i.e. as a send and return to a console) and set the Sample Rate Converter Bypass to ON (i.e.

  • Page 21: Music Applications

    Linear Acoustic UPMAX v4 User Guide Applications 3.1.4 Music Applications Upmixing stereo music stems is an excellent application of the UPMAX v4. In general, ei- ther of the music presets can be chosen, with the only difference being that Music Full spreads some of the upmixed center channel audio back into Left front and Right front.
  • Page 22 Linear Acoustic UPMAX v4 User Guide Applications • Commercial Deep - Useful for “blind” upmixing (i.e. no skilled operator present). Conservative two-channel to 5.1 channel upmix with the Surround audio positioned 100% to the back and Center Width at the standard 33%. Dimension is set to 0% to protect against oddly mixed content •...

  • Page 23: Chapter 4: Detailed Operation

    Detailed Operation Chapter 4: Detailed Operation This chapter discusses in detail the structure of the Linear Acoustic UPMAX v4, how to use the front panel interface to access the menus, accessing and saving factory and user processing presets, and GPI and Metadata setup.

  • Page 24: Upmax Setup

    Linear Acoustic UPMAX v4 User Guide Detailed Operation UPMAX Setup This menu is the main entrance to all setup parameters for the unit, which are accessed via the submenus described below: 4.4.1 Presets Down To View Press the Down arrow to view and modify presets- the default is the currently active preset.

  • Page 25: I/O Menu

    Linear Acoustic UPMAX v4 User Guide Detailed Operation • LCR Sum Level: Controls how much of an 80Hz low pass filtered sum of the Left, Center, and Right outputs of the upmixer is fed to the LFE channel Main Output; De-...

  • Page 26: Gpi Preset (1 - 4)

    Linear Acoustic UPMAX v4 User Guide Detailed Operation 4.5.4 GPI Preset (1 - 4) Selects the preset to be recalled via GPI controls 1 through 4. 4.5.5 Monitor Mode determines whether outputs 1 - 6 are multichannel output or the output from the downmix stage.

  • Page 27: Downmix Lfe Level

    Linear Acoustic UPMAX v4 User Guide Detailed Operation 4.5.12 Downmix LFE Level Controls the level which the LFE channel is attenuated and included in the downmix. This parameter allows the downmix to contain LFE information for a little extra “punch” when desired.

  • Page 28: Sdi Embed

    Linear Acoustic UPMAX v4 User Guide Detailed Operation SDI pair. Default is AES. 4.5.19 SDI Embed Selects whether to enable audio re-embedding or pass the SDI signal through the UPMAX v4 untouched. Note this does not affect de-embedding which is active at all times.

  • Page 29: Loudness Measurement

    Linear Acoustic UPMAX v4 User Guide Detailed Operation 4.5.22 Loudness Measurement Configures the Loudness Measurement/Estimation engine, using the following parame- ters: • LKFS Integration: Determines the integration time constant for the Loudness Mea- surement. The selections are: 3 sec, 10 sec, 30 sec, and Infinite.

  • Page 30: Test Tone Type

    4.10 Monitor Calibration (Analog Outputs) The Linear Acoustic UPMAX v4 is supplied with a monitoring grade digital-to-analog con- verter that provides balanced outputs of all eight audio channels. The level of these outputs can be controlled by the front panel rotary encoder or from an external volume control (a high quality “big knob”...

  • Page 31: Main Channel Spl Adjustment

    Linear Acoustic UPMAX v4 User Guide Detailed Operation power amplifiers or powered speakers. To maintain the lowest noise and widest dynamic range, it is important to manage analog gain stages properly and in order. It is strongly recommended that gains be adjusted in the following order: •...

  • Page 32: Subwoofer Spl Adjustment

    Linear Acoustic UPMAX v4 User Guide Detailed Operation 4.10.2 Subwoofer SPL Adjustment For 5.1 channel mixing, the subwoofer is required to apply 10dB of gain to the signal ap- plied to it. This means that if the reference SPL of the main channels is set to 79dBSPL/ C/Slow, then the subwoofer is set to 89dBSPL/C/Slow.

  • Page 33: Chapter 5: Troubleshooting

    Troubleshooting Chapter 5: Troubleshooting The Linear Acoustic UPMAX v4 is a very stable and reliable unit, and most problems can be traced back to mis-wiring causing incorrect signals to be applied to the unit, or more than likely mis-configuration. In an effort to speed troubleshooting, some common prob- lems and solutions are described below.

  • Page 34: Unit Is Not Upmixing

    Linear Acoustic UPMAX v4 User Guide Troubleshooting 5.1.3 Unit is Not Upmixing From the main output screen, make sure that Upmix=On is shown. If not, press the joy- stick knob to alternate between upmix on/off. Next, make sure that Center Width is between 0% and 33% and Surround Depth is 100%.

  • Page 35: Chapter 6: Specifications

    Linear Acoustic UPMAX v4 User Guide Specifications Chapter 6: Specifications Figure 6-1 Electrical Processing Structure 5.1 channel main path plus LoRo/LtRt downmix Algorithm UPMAX®: 5.1-channel upmixing, automatic bypass of discrete content Options Option 01: Remote Volume Control Headphone Output Frequency 20 Hz–20 kHz, 1 dB (upmix=Off)
  • Page 36 Linear Acoustic UPMAX v4 User Guide Specifications Table 6-1 Physical Dimensions H = 1.75 in (45 mm) W = 19 in (483 mm) D = 11.5 in (293 mm) Net Weight 6 lb (2.72 kg) approximate Operating: 0 – 50ºC Environmental Non-operating: -20 –...
  • Page 37 Linear Acoustic UPMAX v4 User Guide Specifications Connector Pinouts Table 6-3 Analog I/O (DB25-F) Function Function Ch 8 Ro/Rt + Out Ch 8 Ro/Rt - Out Ch 8 Ro/Rt Gnd Ch 7 Lo/Lt + Out Ch 7 Lo/Lt - Out...
  • Page 38 Linear Acoustic UPMAX v4 User Guide Specifications Table 6-4 Metadata Input Port Pinout Connection Shield TX A asynchronous data out – RX B asynchronous data in + Ground Ground TX B asynchronous data out + RX A asynchronous data in –...
  • Page 39 Linear Acoustic UPMAX v4 User Guide Specifications Table 6-6 GP I/O Parallel Control Port (DB9-F) Function GPI 1 (Active Low) GPI 2 (Active Low) GPI 3 (Active Low) GPI 4 (Active Low) Ground GPO 1 (+5V TTL) GPO 2 (+5V TTL)

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