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Before Windows 7, Sound Recorder could save the recorded audio in waveform audio (.wav) container files.Sound Recorder could also open and play existing .wav files. To successfully open compressed .wav files in Sound Recorder, the audio codec used by the file must be installed in the Audio Compression Manager (ACM); Windows installations dating back to at least Windows 95 came with a selection ...
Sound Recorder in Windows Vista can no longer open audio files. Moreover, it cannot save in lossless (uncompressed) WAV format when run without using any switches; instead, it saves in lossy 96 kbit/s WMA format. Only the version of Sound Recorder from the N editions of Windows Vista saves audio in WAV format by default. [133]
Kernel-mode drivers on 64-bit versions of Windows Vista must be digitally signed; even administrators will not be able to install unsigned kernel-mode drivers. [52] A boot-time option is available to disable this check for a single session of Windows. Installing user-mode drivers will still work without a digital signature.
The 64-bit versions of Vista require that all new Kernel-Mode device drivers be digitally signed, so that the creator of the driver can be identified. [77] [78] This is also on par with one of the primary goals of Vista to move code out of kernel-mode into user-mode drivers, with another example bing the new Windows Display Driver Model. [79]
Windows Media Center (WMC) is a discontinued digital video recorder and media player created by Microsoft. Media Center was first introduced to Windows in 2002 on Windows XP Media Center Edition (MCE). It was included in Home Premium and Ultimate editions of Windows Vista, as well as all editions of Windows 7 except Starter
VC-1 and the MPEG-2 video decoders, as well as the Dolby Digital (AC-3) 5.1 audio decoder are included in Windows Vista Home Premium and Ultimate Editions. H.264 video and other multichannel surround sound audio standards still require third party decoders. [52] [53] Other features of Windows Media Player 11 include:
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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. For ...