The second update is designed to resolve a deadlock issue impacting Windows 7 in scenarios in which users run Windows Media Center in tandem with a TV tuner. This may cause a false detection of a low bit rate,” the company explained. However, the method that is used to monitor the incoming bit rate on analog signals is too sensitive. With this monitoring, Windows Media Center displays an overlay message to indicate a possible issue with the incoming bit rate when the analog TV input is weak or does not have a signal. This causes a black screen or a static screen to be displayed. Without this monitoring, the bit rate drops very low when the analog TV input is weak or does not have a signal. “Windows Media Center monitors the incoming bit rate of live TV. Microsoft informed that some users had experienced intermittent Low Bit Rate overlay messages in Windows Media Center, and offered an update to deal with the glitch. The Low Bit Rate issue can impact Windows 7 machines used by customers to watch live analog TV in Windows Media Center via an analog TV tuner. A total of four updates are currently up for grabs via the Microsoft Download Center, for both the 32-bit and 64-bit flavors of Windows 7.
The new refreshes offered to customers are designed to resolve reliability issues reported by them, such as Windows Media Center displaying Low Bit Rate overlay messages, but also problems related to TV tuner functionality. Microsoft has made available for download a number of updates targeting the Windows Media Center component of some editions of Windows 7, including Home Premium, Professional, Enterprise and Ultimate.
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