![]() ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Akros Silicon Inc filed Critical Akros Silicon Inc Priority to US11/881,281 priority Critical patent/US7899968B2/en Assigned to AKROS SILICON INC. Original Assignee Akros Silicon Inc Priority date (The priority date is an assumption and is not a legal conclusion. Kinetic Technologies International Holdings LP Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) ( en Inventor David Bliss Sajol Ghoshal Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Active, expires Application number US11/881,281 Other versions US20090031056A1 Google Patents USB integrated bidirectional digital isolator channel across an interface between two USB devicesĭownload PDF Info Publication number US7899968B2 US7899968B2 US11/881,281 US88128107A US7899968B2 US 7899968 B2 US7899968 B2 US 7899968B2 US 88128107 A US88128107 A US 88128107A US 7899968 B2 US7899968 B2 US 7899968B2 Authority US United States Prior art keywords digital signal usb transmission interface devices Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US7899968B2 - USB integrated bidirectional digital isolator channel across an interface between two USB devices Windows device manager > Universal serial bus controller > (the USB controller for the port you use) > right click and chose “properties” > “power management” tab > uncheck “authorize computer to turn of this device to save powerĢ.US7899968B2 - USB integrated bidirectional digital isolator channel across an interface between two USB devices If the connected device does not power up after sleep, or after reboot, or after standby (Windows)Ĭheck and disable the USB port’s power saving.ġ. You’re welcome to give it a try and send it back for a full refund if it doesn’t help with your unique situation. ![]() As long as the problem is not caused by the microphones/preamps itself (some microphones are noisy!) then it’s very likely to fix the problem. It will fix noises that are caused by ground loops, often presented as whining, buzz or loud shh noises. ![]() Will it fix the noise I’m getting from my sound card/microphone/midi keyboard/other device? If your computer has a good quality USB DC supply then the isolator might not further improve the sound quality. It can also clear up the sound from ground issues that is not so apparent, creating a clearer background in the audio. The noise could also be caused by other factors, like the microphone or preamp itself (some gear are noisy!), the isolator will not help with that. If you are experiencing noise problems, then it will probably remove or reduce those if they are caused by a ground loop. Will it improve the sound quality from my DAC? Yes it supports all USB types, the isolator doesn’t care, it just passed on the data to your computer. Most devices that require USB galvanic isolation doesn’t require 5gbps. Audio devices doesn’t need more than 480Mbps, so it will be sufficient. It will max out at 480Mbps, meaning if you connect a USB3.0 hard drive you will not get transfers at 5Gbps speeds. Similar to a USB hub, the isolator is “transparent” to the computer and doesn’t require any driver or configuration in settings. Will the High-Speed isolator work with my audio or other USB device?ĭoes it require a driver or special setting? If it has mic preamp, phantom power or is a bigger type sound card then it might to require more than 200mA power and the High-Speed isolator with its higher power capability is required. If you have a two channel DAC that supports not more than 96kHz/24bit then the cheaper Full-Speed isolator is likely to work if the DAC doesn’t require too much power. Do I need the High-Speed isolator, or can I use the other cheaper one?
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