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Description
Gra-Vue VIO ALC-HD HD Digital Automatic Loudness ControllerThe Gra Vue VIO ALC HD HD Digital Automatic Loudness Controller is an HD SDI embedded audio loudness controller. This VIO ALC HD adopts the advanced automatic loudness processing and excellent technology of reducing and eliminating audio noise. It automatically keeps the valid audio data that exist within the required range. The VIO ALC HD Digital Automatic Loudness Controller can be used in various occasions to deal with loudness problems, such as
The Gra-Vue VIO ALC-HD HD Digital Automatic Loudness Controller is an HD-SDI embedded audio loudness controller. This VIO ALC-HD adopts the advanced automatic loudness processing and excellent technology of reducing and eliminating audio noise. It automatically keeps the valid audio data that exist within the required range. The VIO ALC-HD Digital Automatic Loudness Controller can be used in various occasions to deal with loudness problems, such as audio jumping between different programs.
- Advanced FPGA + DSP processing technology
- Based on ITU-R BS1770 standard
- Supports the resolution of 480i 60, 576i 50, 720p, 1080i, and 1080p
- Supports SDI signal with embedded audio
- Up to 8 channels of audio processing with embedded audio
- Supports signal loop-out when power off
- Unique technology of noise reduction
- Loudness control only to valid data
- Two control modes, auto mode for automatic control of audio loudness and manual mode for customize adjustment of audio gain
- Supports SNMP protocol and Web server monitor
- Monitors audio waveform and phase before and after processing from DVI interface
- Adopts RS485 to connect VIO ALC and RCP with a coaxial cable
- Two high quality speakers and a head phone configured on RCP, with adjustable audio volume via knobs
- 1U chassis structure, redundant power and fan designed
In the Box
Gra-Vue VIO ALC-HD HD Digital Automatic Loudness Controller
- Limited 1-Year Warranty
| Input | |
|---|---|
| Signal Input | 1 x HD/SD-SDI, BNC, 75 ? |
| Standard | SMPTE 292M? 1.5 Gb/s SMPTE 259M? 270 Mb/s |
| Length | 328.0' (100.0 m) @ 1.5 Gb/s 984.2' (300.0 m) @ 270 Mb/s with Belden 1694A |
| Output | |
|---|---|
| Signal Output | 3 x HD/SD-SDI, BNC, 75 ? (2 after-loudness-control outputs?1 of 2 for loop-out without power, 1 HD/SD-SDI loop) |
| Standard | SMPTE 292M? 1.5 Gb/s SMPTE 259M? 270 Mb/s |
| Control Ports | RCP control: RS-485, BNC, no parity bit, Baud rate based on protocol Network: RJ45, 1000MBase T Ethernet |
| Loudness Control | Range: 0 to 30 dB adjustable |
| Physical | |
|---|---|
| Power Supply | 2 x 120 W, 100 to 256 VAC, 50 to 60 Hz |
| Dimensions | 17.3 x 19.0 x 1.7" (440.0 � 483.0 � 45.0 mm) |
| Packaging Info | |
|---|---|
| Package Weight | 17.64 lb |
| Box Dimensions (LxWxH) | 24.0 x 24.0 x 8.0" |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 443 reviews
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Product Reviews
★★★★★ 5
Great for mental stimulation. Durable for my chewers!
Color: Purple Lil Snoop, Color: Purple Lil Snoop
Love these! Quality material, safe for dogs — I make my dogs home made freezer treats and fill these up with it, and serve. Keeps them busy for hours. It’s also fun for them to roll it around to get regular treats out of. Toy + treats = a very happy pup. This size I got for my puppy. The larger ones I use for my adult dogs. Super cute too, and silent! I have Mini Aussies, so it’s great mental stimulation for them. Tires them out.
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Reviewed in the United States on April 7, 2026
★★★★★ 5
Very durable
Color: Blue
I have never written a review but just have to say how much our Pitbull LOVES this toy. It is very sturdy very good since he is such an aggressive chewer. This is only the second product I have found that he can’t destroy in 5 minutes. It keeps him busy for a long time and plays with it long after the treats are gone which is good as too many treats and he would gain weight. Highly recommend it. He weighes 70 lbs and the largest one is the perfect size. Kibble doesn’t work as it empties out immediately. I use Beggin Strips cut to size just to fit in the hole—they will come out but not all at once and survive his chewing on the toy.
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Reviewed in the United States on March 8, 2026
★★★★★ 4
Overall good toy for dogs
Color: Blue
My dog loves her snoop. I put little training treats in there for her, and she loves to roll it around and get the treats out. For her, it doesn’t last very long because they do fall out pretty easy, but she is a big dog so a smaller dog might have a harder time than her. Very sturdy and easy to travel with. Not noisy at all. I would say it’s a good, quick play toy for a dog like mine.
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Reviewed in the United States on April 14, 2026
★★★★★ 5
Fav Chew Toy 🦴
Color: Blue, Color: Blue
My baby is half rottweiler and half doberman &’ he has a pretty strong grip when it comes to chew toys. But this one, it’s his favorite toy! He never leaves the house without it. It’s also really fun to add his favorite treats in there when’s he bored to keep him entertained! Not loud at all and will keep him from chewing on other things and not heavy as other rough chew toys!
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Reviewed in the United States on May 31, 2026
★★★★★ 5
Great you made super well
Color: Blue Lil Snoop, Color: Blue Lil Snoop
This is such an awesome toy. It’s super durable strong bounces and a perfect size. We got the small. We got blue because our pup can see it. It allows for creativity and endless limits to what you can make for it to be a fun experience. It has a nice sized hole in the center which allows you to add treats and food. Pop it inward and it slightly if large enough prevents the treats from coming out super fast. The ball rolls bounces and they can grip it nicely.
It is easy to clean
The only thing I didn’t like was the way the plastic tabs were situated inside the toy as you just be careful you don’t allow it to drip inside and dog gets it. No noise just fun. Our 15lb Cavapoo loves it
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Reviewed in the United States on February 17, 2026