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KMixer is the Kernel Audio Mixer driver, a part of WDM Audio in Windows 98 to Windows XP which handles the mixing of multiple sound buffers into an output. The tasks performed by KMixer.sys: Mixing multiple PCM audio streams. Format, bit-depth (also known as word-length) and sample-rate conversion.
DirectSound is a deprecated software component of the Microsoft DirectX library for the Windows operating system, superseded by XAudio2. It provides a low-latency interface to sound card drivers written for Windows 95 through Windows XP and can handle the mixing and recording of multiple audio streams.
Microsoft Windows. Type. API. Audio Stream Input/Output ( ASIO) is a computer sound card driver protocol for digital audio specified by Steinberg, providing a low- latency and high fidelity interface between a software application and a computer's sound card. Whereas Microsoft 's DirectSound is commonly used as an intermediary signal path for ...
Windows Media Audio 9 Lossless is a lossless incarnation of Windows Media Audio, an audio codec by Microsoft, released in early 2003. It compresses an audio CD to a range of 206 to 411 MB, at bit rates of 470 to 940 kbit/s.
This comparison of free software for audio lists notable free and open source software for use by sound engineers, audio producers, and those involved in sound recording and reproduction.
Common device driver compatibility issues include: a 32-bit device driver is required for a 32-bit Windows operating system, and a 64-bit device driver is required for a 64-bit Windows operating system. 64-bit device drivers must be signed by Microsoft, because they run in kernel mode and have unrestricted access to the computer hardware.
Comparison of audio coding formats The following tables compare general and technical information for a variety of audio coding formats .
Features The Intel High Definition Audio specification includes the following features: [2] Up to 15 input and 15 output streams Up to 16 PCM audio channels per stream Sample resolutions of 8–32 bits Sample rates of 6–192 kHz Support for audio codecs (e.g., ADC, DAC ), modem codecs, and vendor-defined codecs Discoverable codec architecture Fine-grained codec power-control Audio jack ...