However, the use of an iLok dongle on the right-hand port has been qualified and is fully supported. MacBook MacBook 13 White 1. However, the use of an iLok dongle on the rear port has been qualified and is fully supported. On the power management page, uncheck all boxes. Repeat for each hub and reboot. In complex setups the cause s of the noise can be difficult to find. Ground loops are perceived usually as a hum or buzz in your audio signal, but this can also transmit and amplify other sounds from the devices connected to the circuit.
For example, one very common problem is that you hear internal clicking sounds created by your computer. The cause of the noise is usually the computer and its internal devices, or devices connected to the computer like external hard drives. Note that even if the power supply of your notebook computer is not connected, your setup may still be vulnerable to ground noise from an external device with its own power supply.
The cause can also be any other device such as a radio or television. The reason why this noise is present at the monitor speakers input has to do with a loop in the setup of your electrical and audio cable connections. Most likely this loop occurs through the ground of one or more of these cables. With this in mind, the following points should help to eliminate the ground loop. This also applies to other peripheral devices you may have connected to your computer external data storage, CD burners and especially radio or television cables. In case the ground loop disappeared, you can add the devices one after the other to see with the connection of which device it reappears.
Set up an audio device on your Mac or stream music from your Mac
In case the ground loop disappears, you need to lift the ground on your amplifier or the active monitors. In case the ground loop disappears, you need to lift the ground on your laptop. Contact the manufacturer of your laptop before lifting the ground to find out if ground lifting is supported on your device.
Turn your monitor off and disconnect its power supply while you hear the ground loop. In case the ground loop disappears, you need to lift the ground on your monitor. Contact the manufacturer of your monitor before lifting the ground to find out if ground lifting is supported on your device.
Most of these boxes have a ground lift switch on them.
This can be used to break the ground loop and eliminate the noise. As with any digital device including hardware signal processors that converts audio to data and back again, a computer adds a certain amount of delay latency when processing audio signals. Fortunately, with todays computers and low-latency sound card drivers, this delay can be so small that you cannot hear it as example: 3 milliseconds is about the same delay caused by moving your head one meter further away from a speaker.
However, typical computers are generally not set up for low latency; attempting to play in real time with the AUDIO 8 DJ will probably prove unsatisfying due to the delay. Any computer-based audio system has some delay between the audio input and output. It is easy to understand that this latency has be kept to a minimum in order to make instruments and DJ applications playable.
Even the most powerful computer can only do a certain number of calculations per second; generating and processing sounds demands a lot from a computer. On the other hand, it is important to minimize any computer-based delays in order to.
Complete system I/O for laptop performers.
Fortunately, three main factors make delays virtually insignificant, assuming you have a suitable computer setup. Todays multi-gigahertz computers allow for very low latencies. However, note that ultra-low latency settings or higher sampling rates make your computer work harder, which can affect the performance. So, here are some tips on living with latency. As a result, sound cards create a buffer, which can hold a certain number of samples, where data can be stored and released as needed to create a smooth flow of data. An analogy would be if you had a hose that does not deliver water continuously, but in bursts.
So you use a holding tank to store the water coming in from the hose and have a valve in the tank that releases a steady amount of water in a smooth, continuous flow. If the tank buffer is large, then you can store more water in case the hose goes dry for a bit. But it will take longer to fill the bucket, which is equivalent to latency. A smaller tank takes less time to fill, but the hose needs to deliver water on a pretty continuous basis.
This may be given as the number of samples per buffer or just milliseconds. If youre not sure which one to use, try them all, and choose the one with the lowest latency. Dropouts can be caused by certain components in your computer. A software utility that can check your computers suitability for audio processing is available at: www.
With your audio interface disconnected, the tool will report if your laptop can handle realtime audio streaming without audio dropouts. In case your computer is unable to handle glitch free audio processing, the tool will show you red latency bars and report this in the box on the bottom. Run it with both settings audio interface connected and disconnected to find out about your computers capacities. A shared-memory graphic card accesses the same memory as the CPU. Other graphic cards have their own, dedicated memory, so that the main memory is reserved for other tasks like audio processing.
You will need memory and processing power available for your audio project. Thus, the computer does not need to handle devices that is currently not being used..
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Besides that, laptops often are equipped with built-in devices that tend to disturb audio processing. An example is a wireless LAN card. In case you experience serious dropouts, you might need to disable these devices while working with your audio interface. Double-click on a device to bring up its properties dialog.
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On the bottom of this pane you can disable the device via the drop-down menu. Deactivate it and hit OK.
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You should see a red cross over the device, which means that it has been deactivated. Common built-in devices are: network adapters, wireless LAN cards, Bluetooth ports, infrared ports, printer ports etc. Try to disable the network adapter and wireless LAN card first, as they are the most common problem causing devices in audio processing. Make sure that you do not disable devices that are indispensable for your laptop to work properly! Choose a preset with higher latency or, if using user defined settings, raise the USB and Audio latency. Connect your speaker setup to the built-in onboard sound card of your computer.
Play back a track in your standard playback application, e.
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Try all USB ports on your computer until you find one that works best. This is the way in which Windows allocates resources to the various devices and ports in your system. This means your sound card is not receiving the resources it needs to function properly. Here is how you detect an IRQ conflict. Your system information window will appear.
Click on irQs. Your IRQs will be displayed in the window to the right. If the IRQ number listed next to any of these ports is sharing with other devices in your system, you may have an IRQ conflict. However, with most laptops it is not possible to change IRQ allocation. You may need to reinstall your operating system for a better IRQ configuration.
Optimizing your Computer The following chapter collects an amount of tuning tips that help to increase the performance of your computer. While faster computers may not need any of these tips, they can be essential for a satisfying use of the AUDIO 8 DJ on a computer with technical specifications on the lower end of the system requirements. Under performANce choose Settings. Under Processor Scheduling select Background Services. Choose Adjust for best performance.