ASIO (Audio Stream Input/Output) drivers inherently rely on exclusive mode. Because ASIO drivers talk directly to the sound card, they require exclusive access to the audio device to function correctly. This is why using ASIO with a generic USB device like AB13X can be problematic: if the device is also set as the default playback device in Windows, the operating system may conflict with the ASIO driver, resulting in errors like BASS_ERROR_DRIVER . For true exclusive-mode operation with low latency, many users turn to solutions like ASIO4ALL, although this is a generic wrapper rather than a dedicated driver.
Another frequent frustration is the spontaneous pausing of media. In one case, a user reported that their media player would pause every 0.3 seconds. The solution was to disable the HID-compliant consumer control device associated with the AB13X in the Device Manager. This HID device, intended for volume control, was erroneously sending play/pause signals, disrupting media playback.
Perhaps the most widely reported issue is audio cut-off, where the first fraction of a second of a sound is missing. One user described: "using Google Translate to pronounce 'Park,' the 'P' is often cut off, leaving only 'ark'." This issue is prevalent on ASUS NUC systems and laptops that aggressively power down USB devices when idle. A user found that keeping the system sound settings window open—which constantly monitors the volume slider—was an effective, albeit inelegant, workaround to keep the audio hardware active. ab13x usb audio driver exclusive
Users may find they cannot control volume, or it acts erratic. How to Disable Exclusive Mode for AB13X Audio
The media player changes the hardware clock of the AB13X chip to match the exact sample rate of the audio file. No resampling occurs. ASIO (Audio Stream Input/Output) drivers inherently rely on
While the AB13X chipset is plug-and-play via the generic Windows USB Audio Class (UAC) driver, vendor-specific drivers unlock true exclusive access. Visit the website of your specific device manufacturer.
It prevents the operating system from converting your audio sample rates (e.g., forcing everything to 48kHz). If you play a 192kHz file, the DAC receives 192kHz. For true exclusive-mode operation with low latency, many
The driver allows for fine-tuning buffer sizes to prevent audio crackling or dropouts.
ASIO is the industry standard for exclusive, low-latency audio on Windows.
Allow applications to take exclusive control of this device. Give exclusive mode applications priority.
In standard Shared Mode, the OS forces all applications—Spotify, YouTube, video games, and system notifications—to resample to a single, fixed bit-depth and sample rate. If you are playing a high-res 24-bit/96kHz FLAC file, but your Windows mixer is set to 16-bit/44.1kHz, your OS downgrades the audio file. Furthermore, the digital mixing process can introduce jitter, distortion, and latency. Exclusive Mode (The Audiophile Choice)