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When the sound card uses a custom driver for use with the system supplied port class driver PortCls.sys or implements a mini-driver for use with the streaming class driver, applications can bypass the KMixer completely and use the kernel streaming interfaces instead to directly interact with audio driver and reduce latency. Windows 98 includes ...
Another goal of UAA is to provide better support for multi-channel audio in Windows so that, for example, multi-channel WMA Pro audio streams can be played without special driver support. UAA is intended to be a complete replacement for developing WDM Audio Drivers; however, in some cases it may be necessary for an otherwise UAA-compliant audio ...
Advanced Linux Sound Architecture (ALSA) is a software framework and part of the Linux kernel that provides an application programming interface (API) for sound card device drivers. Some of the goals of the ALSA project at its inception were automatic configuration of sound-card hardware and graceful handling of multiple sound devices in a system.
Sound card Mozart 16 for ISA-16 bus A Turtle Beach sound card for PCI bus Echo Digital Audio's Indigo IO – PCMCIA card-bit 96 kHz stereo in/out sound card A VIA Technologies Envy sound card for PC, 5.1 channel for PCI slot. Sound cards for IBM PC–compatible computers were very uncommon until 1988.
ASIO 2.3 introduced monitoring for dropouts in the audio stream. [4] ASIO bypasses the normal audio path from a user application through layers of intermediary operating system software so that an application connects directly to the sound card hardware. Each layer that is bypassed means a reduction in latency (the delay between an application ...
Intel High Definition Audio (IHDA) (also called HD Audio or development codename Azalia) is a specification for the audio sub-system of personal computers. It was released by Intel in 2004 as the successor to their AC'97 PC audio standard.
Digital room correction may involve minimum phase algorithms, to maintain wavefront coherence over the intended frequency range.. The use of analog filters, such as equalizers, to normalize the frequency response of a playback system has a long history; however, analog filters are very limited in their ability to correct the distortion found in many rooms.
The AudioPCI supported DOS games and applications using a software driver that would install during DOS, or the DOS portion of Windows 9x. This driver virtualized a Sound Blaster-compatible ISA sound card through the use of the PC's NMI and a terminate-and-stay-resident program. This allowed the AudioPCI to have more compatible out-of-the-box ...