Lauren Weinstein writes "Even though your cable company may claim that a channel is in a digital tier that you're paying for, they may be sending it to you in analog form, with associated negative effects. Surprise! Are You Being Cheated by Digital Cable? 'You're paying for digital, you should get digital. Outside of the lower video and audio quality that can be present on many analog feeds, third-party devices (like cableCARD TiVos) which could otherwise record a digital signal directly, will be forced to re-digitize an analog signal, with inevitable quality loss in the process. But how to know for sure if a channel is digital or analog as received?'"

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