Sound control mac12/19/2023 The result is usually an artifact: a pop or glitch in the audio. Therefore, two devices, each following its own clock, are highly unlikely to stay in agreement about precisely when a sample starts and ends. Typically a "lead" defines the clock-rate and all other devices "follow" that clock or they must use "sample rate conversion" (SRC) to avoid clocking errors.ĭigital clocks are not perfect their frequency can drift, and they almost always have at least some irregular errors known as jitter. All digital signals require clocking in order to synchronize digital audio signals flowing between devices in order to avoid data errors.This is so we can avoid data errors: without a stable digital clock, you could never be sure that your audio recordings are timing-perfect and free of sync or drift errors.Īudio Midi Setup view: digital always locks to 44.1khz? That indicates a hardware issue. Clock signals are used to synchronize digital audio signals flowing between devices. Digital clocking signals are generated by a crystal oscillator by a hardware device.The clocking issue on digital audio systems is often a hazy area to understand, perhaps because we've been turned off by propellerheads who love arguing about it. Tip 2: Understanding digital clocking problems with the help of Audio Midi Setup Therefore, make sure the sample rate and bit depth match the appropriate settings for your audio device and that the input and output sample rates are set to the same value as the software you wish to use your device with. In short, most sound issues stem from not having the correct audio input or output device selected, un-muted or at the correct volume or sample rate. You can set the sample rate and bit depth in the "Format" pop-up menus. In the situation where you would like to set up surround speaker configuration, click "Configure Speakers" followed by the type of configuration you prefer. In most cases, leave the "Clock source" pop-up menu on the default setting unless you know that you want the clock source to be a particular device. The settings should be optimal by default, but you can manually alter volume and sample rate as described earlier. An article further down this page discusses how to work around this problem. While doing that, look out for the sample-rate of the Digital Input (if it is present in your system) and if that can be set to 48 KHz or if it goes back to 44.1 KHz on its own - which indicates the 44.1 digital i/o issue. It is important that this is done when all applications are closed. For example, when using Source-Connect at 48 KHz., make sure your audio device sample rates are also set to 48 KHz. Inspect the devices and their sample rates and set them to the required value if necessary.
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