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热词
    • 89. 发明授权
    • Digital signal recording devices, digital signal recording/playback devices, and digital signal receiving/recording/playback devices
    • 数字信号记录装置,数字信号记录/重放装置和数字信号接收/记录/重放装置
    • US07197229B2
    • 2007-03-27
    • US11110691
    • 2005-04-21
    • Yuji HatanakaHiroo Okamoto
    • Yuji HatanakaHiroo Okamoto
    • H04N5/91
    • H04N9/7921H04N9/8042
    • A digital signal recording device or a digital signal recording and playback device which receives an inputted digital signal having a predetermined packet format and including a digital video signal and a digital audio signal. The device also receives an inputted analog video signal and an inputted analog audio signal, converts the analog video signal and the analog audio signal to a digital video signal and a digital audio signal, compresses the digital video signal and the digital audio signal and multiplexes the compressed digital video signal and the compressed digital audio signal to produce a multiplexed digital signal having the selected one of the inputted digital signal and the multiplexed digital signal as a digital recording signal, and records the digital recording signal to produce a recorded digital signal.
    • 数字信号记录装置或数字信号记录和重放装置,其接收具有预定分组格式并包括数字视频信号和数字音频信号的输入数字信号。 该装置还接收输入的模拟视频信号和输入的模拟音频信号,将模拟视频信号和模拟音频信号转换为数字视频信号和数字音频信号,压缩数字视频信号和数字音频信号,并将 压缩的数字视频信号和压缩的数字音频信号,以产生具有所输入的数字信号和多路复用数字信号中所选择的一个的多路数字信号作为数字记录信号,并记录数字记录信号以产生记录的数字信号。