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Windows Media Audio (WMA) is a series of audio codecs and their corresponding audio coding formats developed by Microsoft. It is a proprietary technology that forms part of the Windows Media framework. WMA consists of four distinct codecs. The original WMA codec, known simply as WMA, was conceived as a competitor to the popular MP3 and ...
HCI—Human—Computer Interaction; HD—High Density; HDD—Hard Disk Drive; HCL—Hardware Compatibility List; HD DVD—High Definition DVD; HDL—Hardware Description Language; HDMI—High-Definition Multimedia Interface; HECI—Host Embedded Controller Interface; HF—High Frequency; HFS—Hierarchical File System; HHD—Hybrid Hard Drive
A lossless audio coding format reduces the total data needed to represent a sound but can be de-coded to its original, uncompressed form. A lossy audio coding format additionally reduces the bit resolution of the sound on top of compression, which results in far less data at the cost of irretrievably lost information.
Linear pulse-code modulation (LPCM, generally only described as PCM) is the format for uncompressed audio in media files and it is also the standard for CD-DA; note that in computers, LPCM is usually stored in container formats such as WAV, AIFF, or AU, or as raw audio format, although not technically necessary.
The .ra format allows files to be stored in a self-contained fashion on a computer, with all of the audio data contained inside the file itself. .raw: A raw file can contain audio in any format but is usually used with PCM audio data. It is rarely used except for technical tests. .rf64: One successor to the Wav format, overcoming the 4GiB size ...
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The Word DMA (WDMA) interface was the fastest method used to transfer data between the computer (through the Advanced Technology Attachment (ATA) controller) and an ATA device until Ultra Direct Memory Access (UDMA) was implemented.
Windows Media is a discontinued multimedia framework for media creation and distribution for Microsoft Windows.It consists of a software development kit (SDK) with several application programming interfaces (API) and a number of prebuilt technologies, and is the replacement of NetShow technologies.