What is the difference between VHS HiFi and Beta HiFi?
> To record the video and HiFi sound signals onto the same tape > area, VHS HiFi uses “depth multiplexing”, while Beta HiFi uses > “frequency multiplexing”. That is, the FM signal for Beta HiFi > occupies a different frequency band than do the Beta format’s > luminance and chroma signals, and is simply mixed with those > signals and laid down on the tape by the video heads. In VHS > the luminance and chroma signals were too close together in > frequency for this to work. VHS HiFi uses a separate pair of > heads on the spinning head drum to record the HiFi carrier. > These heads’ gaps are shaped so that the HiFi carrier is > actually recorded at a different depth in the tape than the > luminance and chroma signals.
To record the video and HiFi sound signals onto the same tape area, VHS HiFi uses “depth multiplexing”, while Beta HiFi uses “frequency multiplexing”. That is, the FM signal for Beta HiFi occupies a different frequency band than do the Beta format’s luminance and chroma signals, and is simply mixed with those signals and laid down on the tape by the video heads. In VHS the luminance and chroma signals were too close together in frequency for this to work. VHS HiFi uses a separate pair of heads on the spinning head drum to record the HiFi carrier. These heads’ gaps are shaped so that the HiFi carrier is actually recorded at a different depth in the tape than the luminance and chroma signals.
To record the video and HiFi sound signals onto the same tape area, VHS HiFi uses “depth multiplexing”, while Beta HiFi uses “frequency multiplexing”. That is, the FM signal for Beta HiFi occupies a different frequency band than do the Beta format’s luminance and chroma signals, and is simply mixed with those signals and laid down on the tape by the video heads. In VHS the luminance and chroma signals were too close together in frequency for this to work. VHS HiFi uses a separate pair of heads on the spinning head drum to record the HiFi carrier. These heads’ gaps are shaped so that the HiFi carrier is actually recorded at a different depth in the tape than the luminance and chroma signals.
To record the video and HiFi sound signals onto the same tape area, VHS HiFi uses “depth multiplexing”, while Beta HiFi uses “frequency multiplexing”. That is, the FM signal for Beta HiFi occupies a different frequency band than do the Beta format’s luminance and chroma signals, and is simply mixed with those signals and laid down on the tape by the video heads. In VHS the luminance and chroma signals were too close together in frequency for this to work. VHS HiFi uses a separate pair of heads on the spinning head drum to record the HiFi carrier. These heads’ gaps are shaped so that the HiFi carrier is actually recorded at a different depth in the tape than the luminance and chroma signals.
