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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
4.7 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 4
Durable bone that you can add a spreadable treat to
Color: Blue
Our German Shepherd was 4 months old when we purchased this. She’s going to be 6 months soon. She has been teething really bad. We wanted some way to sooth her pain. This product was just what we needed. We put it in the freezer with some peanut butter in the center on both sides. Once frozen we give to our puppy. She loves it. When we open the freezer she recognizes the ziplock package that it was delivered in which we store it in our freezer. She jumps around until we give it to her. She loves it and it keeps her occupied for a while. It is very durable. I did not notice any smell when we received it. It does not make any noise. The plastic material is safe for animals. To clean I put in the dishwasher. The only reason I did not give it 5 stars is because sometimes the peanut butter gets stuck in it and may need to go through the dishwasher twice which is not a big deal. Or you can hand wash it. I found the dishwasher was best for us. You do not even have to put anything on it, but our pup likes it. I would recommend to others.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 15, 2025
★★★★★ 5
Great dog chew toy . Durable and long lasting
Style: Two pack
Durable dog toy
Good size
Perfect for aggressive chewers
Good color choices
Lightweight but durable
My dogs haven’t destroyed these like they have other toys
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Reviewed in the United States on June 5, 2026
★★★★★ 5
Actually indestructible!
Style: Two pack
I am always leery of items marked indestructible because my 100+ lb. dog chews through anything I buy him. But not this. It's solid plastic that he LOVES to chew on. And I love that there are 2 of them so he can have them in alternative places to play with. The shape and texture seems to entice him and keep him occupied for a few minutes, which is a blessing!
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Reviewed in the United States on April 16, 2026
★★★★★ 5
Great product.He's still chewing on them.That's what I want
Style: Two pack
Bought forever ago and he's still chewing on them.Great product strong dog
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Reviewed in the United States on May 3, 2026
★★★★★ 4
Indestructible
Style: Two pack
Hard on wood floors but lasts forever. Helps keep teeth clean too.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 20, 2026
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