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Chapter 7
DVR
-37-
! Video and Audio Bit Rate
Set the desired video and audio capture bit rate. Higher rate produces better
quality, but this will take up more space on your hard drive. If you plan to use
the clip for the Web, the recommended settings are 300Kbps for video and
64Kbps for audio. For Video CD authoring, use the standard 1150Kbps for
video and 224Kbps for audio.
! Sample Rate
To convert an analog signal to digital, your computer takes measurements of the
sound wave’s amplitude (a sample) at particular points in time. The more
samples the computer takes, the more information it obtains and thus, the closer
it comes to capturing something close to the original sound. 44.1 Khz is CD
quality sound and is the default setting.
! Mode
You have four audio channel choices to choose from for MPEG 1/2: Stereo,
Joint Stereo, Dual Channel, and Mono. To obtain high-fidelity and CD quality
sound, use Joint Stereo.