Related Manuals for BZB Gear BG-AU88-MA
Summary of Contents for BZB Gear BG-AU88-MA
- Page 1 BG-AU88-MA 8X8 Digital Audio Processor with RS-232, TCP/IP and PC program control User Manual...
- Page 2 BZBGEAR BG-AU88-MA PRODUCT MANUAL · · Address: 830 National Drive #140, Sacramento, CA 95834, USA Tel: +1(888)499-9906 Email: support@bzbgear.com...
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Page 3: Table Of Contents
BZBGEAR BG-AU88-MA PRODUCT MANUAL TABLE OF CONTENTS Statement Safety Precaution Introduction Features Packing List Specifications Operation Controls and Functions Host Computer Control Troubles and Solutions Application Example Tech Support Warranty Mission Statement Copyright · · Address: 830 National Drive #140, Sacramento, CA 95834, USA Tel: +1(888)499-9906 Email: support@bzbgear.com... -
Page 4: Statement
BZBGEAR BG-AU88-MA PRODUCT MANUAL Statement Please read these instructions carefully before connecting, operating, or configuring this product. Please save this manual for future reference. Safety Precaution ● To prevent damaging this product, avoid heavy pressure, strong vibration, or immersion during transportation, storage, and installation. -
Page 5: Introduction
BZBGEAR BG-AU88-MA PRODUCT MANUAL Introduction This digital audio processor is typically used for video conference, distant learning, and telemedicine. It features 4-ch MIC inputs, 6-ch linear inputs, and 10-ch linear outputs. Each analog I/O channel has a knob to control the volume. A DANTE port is also provided to ensure low latency in the audio process. -
Page 6: Packing List
BZBGEAR BG-AU88-MA PRODUCT MANUAL Packing List ● 1x Digital Audio Processor ● 22x Phoenix Connector (3-pin, 3.81mm) ● 1x AC 100~240V 50/60Hz Power Cord ● 1x User Manual · · Address: 830 National Drive #140, Sacramento, CA 95834, USA Tel: +1(888)499-9906... -
Page 7: Specifications
BZBGEAR BG-AU88-MA PRODUCT MANUAL Specifications Technical HDMI Compliance HDMI 2.0b MIC input: -0.5 / -0.5dB Amplitude-frequency (20Hz~20KHZ@+4dBu) Linear input: -0.2 / -0.2dB THD+N (1 KHZ@+4dBu) ≤ 0.01% EIN (MIC input) ≤ -125dBu SNR (linear input) ≥ 90dB Dynamic Range ≥ 100dB Channel Level Difference... -
Page 8: Operation Controls And Functions
BZBGEAR BG-AU88-MA PRODUCT MANUAL Operation Controls and Functions Front Panel Name Function Description Knobs to control the volume of MIC and linear inputs. Use a screwdriver in the INPUT VOLUME clockwise direction to turn up the volume; counterclockwisely to turn it down. -
Page 9: Host Computer Control
BZBGEAR BG-AU88-MA PRODUCT MANUAL Host Computer Control Connection The audio processor admits the control of a host computer in windows system (WIN 7 or WIN 10). Take a cable to connect to the LAN port of the processor with the computer for network connection as following steps instructed. - Page 10 BZBGEAR BG-AU88-MA PRODUCT MANUAL Step 4: Check the Network icon on the toolbar as shown below. If there is a red X at the top-right corner of this icon as the figure above shown, it means the host computer have not connected with the audio processor yet. In such case, click this icon, then a dialog box with a list of IP addresses of all connected devices will pop out, as the following figure shown.
- Page 11 BZBGEAR BG-AU88-MA PRODUCT MANUAL Volume Meter The volume meter is typically to denote the signal level of the I/O volume. The meter has 3 colors (Red, Yellow and Green) to denote signal levels for the volume of 16-ch inputs and 16-ch outputs, in which the Red denotes that volume may be too high to be limited and the yellow indicates the volume is within a reasonable range.
- Page 12 BZBGEAR BG-AU88-MA PRODUCT MANUAL PHANTON: When pressed, turns on 48V phantom power for the channel. MUTE: When pressed, mutes the input channel, equivalent to clicking the letter M at the INPUT module on the HOME page. WHITE: When pressed, generates white noises for signal testing.
- Page 13 BZBGEAR BG-AU88-MA PRODUCT MANUAL The following figure shows complete information to configure the expander module. THRESHOLD: The level that the signal below it will be identified as noise and attenuated, with a range of [-60.0, 0.0] dB. RATIO: The compression ratio for signals below threshold, with a scale of [1.0, 20.0]. If the ratio is 2.0, it means the signal below threshold will be reduced to ½...
- Page 14 BZBGEAR BG-AU88-MA PRODUCT MANUAL Equalizer Each I/O channel has an 8-band parametric equalizer for voice processing, with the frequency, gain and bandwidth of each band adjustable. As shown below, clicking the EQ module on the left panel of the HOME page or the EQ button of the IN page, you will enter the EQ setting page of the input channel.
- Page 15 BZBGEAR BG-AU88-MA PRODUCT MANUAL The figure below shows the setting page of the EQ module. TYPE: Provides 3 types of band/filter, with High Pass, Low Pass and Peak optional. FREQUENCY: In High/Low Pass Filter, it means the cut-off frequency of the EQ band; In Peak Filter, it means the center frequency point of the EQ band;...
- Page 16 BZBGEAR BG-AU88-MA PRODUCT MANUAL Compressor The Compressor is used to reduce the dynamic range of the signal above a user determined threshold so that output sounds could be more solider. As shown below, click the COMP module on the HOME page or the COMP button on the right panel of the IN page, you will enter the Compressor setting page.
- Page 17 BZBGEAR BG-AU88-MA PRODUCT MANUAL KNEE: The curve setting of the inflection point of the compressor, with a scale of [0.0, 20.0]. 0 indicates a hard knee; other values for a soft knee. ATTACK: The time required by the compressor to begin the Compressor process once a signal is over threshold, with a scale of [1, 500] ms.
- Page 18 BZBGEAR BG-AU88-MA PRODUCT MANUAL The following figure shows the setting page of the AGC module. TARGET LEVEL: The desired output signal level, with a scale of [-20.0, 0.0] dB. RATIO: The compression ratio for signals above target level, with a scale of [1.0, 20.0]. If the value sets to 2.0, it means that signals above target level will be reduced to ½...
- Page 19 BZBGEAR BG-AU88-MA PRODUCT MANUAL Auto Mixer The AUTO MIXER is built to set the order of priority for MIC inputs when 4-ch microphones are open at one time. As shown below, by clicking the AUTO MIXER section on the HOME page or the AUTOMIXER tab on the menu bar, you will enter the AUTO MIXER setting page.
- Page 20 BZBGEAR BG-AU88-MA PRODUCT MANUAL AUTO: When pressed, the input MIC will be added to the auto mixing system, otherwise, it won’t be auto-mixed. METER: Indicates the output volume after the AUTO MIXER process. OUT: Fader to control the output volume after the AUTO MIXER process.
- Page 21 BZBGEAR BG-AU88-MA PRODUCT MANUAL FIXBAND: When pressed, fixed values of parameters, such as, Frequency, Gain and Width will be applied to configure the filter in a fixed band. You are allowed to design the filter by setting its parameters. FIXALL: When pressed, all bands will be processed in a fixed mode or in USER-EDITING mode.
- Page 22 BZBGEAR BG-AU88-MA PRODUCT MANUAL LOCAL INPUT: Shows source signals that are available to have access to the AEC process. AUTOMIXER refers to mixed signals after the AUTOMIXER process. NONLINEAR PROCESSING: Determines the audio effect for both ends of the video conference, with soft, medium and aggressive optional.
- Page 23 BZBGEAR BG-AU88-MA PRODUCT MANUAL Adaptive Noise Suppression The 48kHZ full-band Adaptive Noise Suppression (ANS) algorithm can effectively increase the signal to noise (S/N) ratio and suppress noises from the blower or air conditioner. As shown below, by pressing the ANS module on the HOME page or the ANS tab on the menu bar, you will enter the ANS configuration page.
- Page 24 BZBGEAR BG-AU88-MA PRODUCT MANUAL Matrix Mixer The Matrix Mixer allows you to free choose audio route by matrix mode. As shown below, clicking the MATRIX MIXER section on the HOME page or the MATRIX tab on the menu bar will enable you to enter the MATRIX MIXER configuration page.
- Page 25 BZBGEAR BG-AU88-MA PRODUCT MANUAL Output Settings As shown below, clicking the OUTPUT module on the HOME page or the OUT tab on the menu bar will allow you to enter the OUTPUT setting page. The figure as below shows the details of the setting page.
- Page 26 BZBGEAR BG-AU88-MA PRODUCT MANUAL Two-way Crossover The two-way crossover consists of a High Pass Filter and a Low Pass Filter, which can divide the input signal up into 2 discreet audio bands (Low and High). As shown below, pressing the 2-WAY module on the HOME page or the 2-WAY button on the right panel of the OUT page, you will enter the configuration page.
- Page 27 BZBGEAR BG-AU88-MA PRODUCT MANUAL ACTIVE: When pressed, you will activate/inactivate the frequency filter (High Pass or Low Pass). The activation can be realized by clicking the green letter A at the 2-WAY module on the HOME page. The difference is that clicking the letter A will...
- Page 28 BZBGEAR BG-AU88-MA PRODUCT MANUAL The figure as below shows the setting page of this function. DELAY TIME: Adjusts the delay time of the output audio signal, measured in milliseconds. DELAY CONVERSION: Displays the amount of delay measured in both Feet and Meters.
- Page 29 BZBGEAR BG-AU88-MA PRODUCT MANUAL Limiter A Limiter can reduce the dynamic range of signals by strictly limiting the maximum output level so as to ensure that the connected amplifier won’t be overloaded because of signals with high signal level. By clicking the LIM module on the HOME page or the LIMITER button on the OUT page, you will enter the LIMITER configuration page.
- Page 30 BZBGEAR BG-AU88-MA PRODUCT MANUAL THRESHOLD: Shows that level signals above threshold will be attenuated, with a scale of [-60.0, 0.0] dB. RELEASE: The time required by the Limiter to stop the LIMITER process once a signal is below threshold, with a scale of [1, 1000] ms.
- Page 31 BZBGEAR BG-AU88-MA PRODUCT MANUAL By default, the file is saved in .xml file format. Modify Name: When pressed, the scene name displayed on the window will be changed. Save: When pressed, the scene currently configured will be saved. Reset: When pressed, the processor will go back to the factory settings.
- Page 32 BZBGEAR BG-AU88-MA PRODUCT MANUAL Control Commands The audio processor is controllable via Control Commands. As shown below, by clicking “Tools” > “Command” on the toolbar, you will enter the setting page. All RS-232 control commands, such as, Scene Management, I/O Control, Modules’...
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Page 33: Troubles And Solutions
BZBGEAR BG-AU88-MA PRODUCT MANUAL Troubles and Solutions If the output audio is abnormal, you may need to check following items at first: ● Whether the STATUS LED is normal. ● Whether the INPUT/OUTPUT VOLUME is turned down to the lowest level. -
Page 34: Tech Support
BZBGEAR BG-AU88-MA PRODUCT MANUAL Tech Support Have technical questions? We may have answered them already! Please visit BZBGEAR’s support page (bzbgear.com/support) for helpful information and tips regarding our products. Here you will find our Knowledge Base (bzbgear.com/knowledge-base) with detailed tutorials, quick start guides, and step-by-step troubleshooting instructions. -
Page 35: Mission Statement
BZBGEAR BG-AU88-MA PRODUCT MANUAL Mission Statement BZBGEAR is a breakthrough manufacturer of high-quality, innovative audiovisual equipment ranging from AVoIP, professional broadcasting, conferencing, home theater, to live streaming solutions. We pride ourselves on unparalleled customer support and services. Our team offers system design consultation, and highly reviewed technical support for all the products in our catalog. -
Page 36: Copyright
BZBGEAR BG-AU88-MA PRODUCT MANUAL Copyright All the contents in this manual and its copyright are owned by BZBGEAR. No one is allowed to imitate, copy, or translate this manual without BZBGEAR’s permission. This manual contains no guarantee, standpoint expression or other implies in any form. Product specification and information in this manual is for reference only and subject to change...
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