AEC AFC Professional Audio Processor Mini Audio Box With 4 Input Signal Interfaces

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Shenzhen FHB Audio Technology Co., Ltd.

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AEC AFC Professional Audio Processor Mini Audio Box With 4 Input Signal Interfaces

Name: AEC AFC Professional Audio Processor Mini Audio Box With 4 Input Signal Interfaces
Brand: FHB Audio
Price: 1 USD

China AEC AFC Professional Audio Processor Mini Audio Box With 4 Input Signal Interfaces wholesale

Brand Name : FHB Audio

Model Number : MU44

Certification : CE,ROHS

Place of Origin : China

MOQ : 2 Set

Price : USD

Payment Terms : T/T, Western Union

Supply Ability : 10000 Set per Month

Delivery Time : 1-10Set: 5-7day ;10-100Set:10-5Days

Packaging Details : Standard packaging;

Products Name : Digital Signal Processor

Keyword : DSP Sound Processor,DSP Effect Proessor,DSP Audio Processor,DSP Audio Mixer

Model No. : MU44

Analog Channels : 4 input,4output

Function : Automatic mixing, AEC,ANC,AFS

DSP Chips : ADI SHARC 21489@450 MHz SIMD

Software : PC

The Max level : +18dBu

Phantom power : +48V/10mA max

Application : Conference,Education,Hotel

Warranty : 2 Years

Certificate : CE,ROHS

Weight : 1.8Kg

Working Power Supply : DC12V

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Professional Audio Processor Educational Equipment AEC AFC Mini Audio Box With 4 Input Signal Interfaces

Main Features:

Analog input channel: 4
Analog output channel: 4
Built-in two in two out USB sound card, support music playback, recording and soft video conferencing ,Such as: ZOOM, Tencent Conference, Dingding conference, etc.;
Two channels independent AEC, tail time: 512ms, convergence rate: 60dB/S, echo cancellation amplitude: 60dB; Independent channel AFC (feedback suppression), using notch algorithm, sound transmission gain increase amplitude: 10dB; Noise suppression (ANS), signal-to-noise ratio increased by 18dB
Eight-stage English parametric equalization provides five filter choices:
Parametric, Lowshelf, Highshelf, Lowpass, Highpass;
Provides customized operation interfaces for terminal users. A maximum of 30 devices can be managed on one interface.
With the central control function, support RS232, RS485, UDP three control modes, can be the system power, signal switching, environmental control, audio control and other overall control, to achieve a key to open the system required functions.

AEC AFC Professional Audio Processor Mini Audio Box With 4 Input Signal Interfaces

Model No.	MU44
DSP Processing	ADI SHARC 21489@450 MHz SIMD
Number of analog channels	4 Input +4 Output
Core Algorithm	Automatic mixing, feedback elimination(AFC), echo elimination(AEC), noise elimination(ANC)
USB Port	1
Input gain	0/6/12/18/24/30/36/42/48 dB
Digitalizing bit	24bit
Sampling Rate	48k
Frequency Response(20~20KHz)	±0.5dB
Phantom power	+48V/10mA max
The Max level	+18dBu
Input to output dynamic range	110dB
output to input dynamic range	112dB
Dynamic range(Analog)	110dB
Channel isolation @1kHz	108dB
Total harmonic distortion + noise	＜-100dB@4dBu
System delay	<3ms
Input impedance (balance -type)	5.4KΩ
Output impedance (balance -type)	600Ω
Weight	2Kg
Size	215x162x44mm
Working Power Supply	DC12V

Optional Control Panel:

AEC AFC Professional Audio Processor Mini Audio Box With 4 Input Signal Interfaces

OLED screen consists of a 1.3” OLED screen and a knob. OLED screen display strategy is classified

according to menu. There are totally three types of menus including menu, buttons and presets.

Double click a OLED screen in design area of the screen to enter its detailed setting as shown below.

Click "add menu" to pop up menu selection box, choose corresponding menu and confirm it. After

finishing the setting of software menu configuration, click toolbar download icon to download the

configuration to panel hardware.

Operation steps of panel:

1. Display panel name and IP address on main interface and turn the knob left or right to switch

menu.

2. Press the button on the knob, and the second row on menu interface starts to flash, which

indicates that it enters edit mode.

3. Turn the knob left or right to change value.

4. Press the button on the knob again to edit mode and go back to menu mode.

AEC AFC Professional Audio Processor Mini Audio Box With 4 Input Signal Interfaces

Key Panel:

There are 8 keys and one knob on key panel. The knob is used to adjust gains, and 8 keys can be

used to realize different functions through programming. There are four types of key functions,

including volume adjustment, mute, preset and command. Drag an item in function area to

appointed key to finish programming of the key.

Similarly, after finishing all programming, users may use the emulation button to check whether the

configuration is correct

Instructions for panel operation indicators

1. Key indicator stays on, which indicates the key is configured with mute function.

2. Key indicator keeps flashing, which indicate the key is configured with gain function. The

configured knob also uses and adjusts gain of the channel. 13 indicators around the knob indicate

gains. They are on or off with gain size. All 13 indicators off indicates gain of -72dB while all on

indicates gain of 12dB.

3. A sudden flash happens when pressing the key indicator indicates the key is configured with

preset or command function.

Command function: The command data come from central control command. Please refer to

section 5.

Quality Assurance

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Product Tags:

AEC Professional Audio Processor

AFC Professional Audio Processor

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