一种基于数字音频处理器和盒式录像机的高容量数据记录设备。
A high capacity data recording device based on a digital audio processor and a video cassette recorder.
作者信息
Bezanilla F
出版信息
Biophys J. 1985 Mar;47(3):437-41. doi: 10.1016/S0006-3495(85)83935-7.
Abstract
A modified digital audio processor, a video cassette recorder, and some simple added circuitry are assembled into a recording device of high capacity. The unit converts two analog channels into digital form at 44-kHz sampling rate and stores the information in digital form in a common video cassette. Bandwidth of each channel is from direct current to approximately 20 kHz and the dynamic range is close to 90 dB. The total storage capacity in a 3-h video cassette is 2 Gbytes. The information can be retrieved in analog or digital form.
摘要
一个经过改进的数字音频处理器、一台盒式录像机以及一些简单的附加电路被组装成一个高容量的记录设备。该装置以44千赫的采样率将两个模拟通道转换为数字形式，并将信息以数字形式存储在普通盒式录像带中。每个通道的带宽从直流到约20千赫，动态范围接近90分贝。一盘3小时的盒式录像带的总存储容量为2千兆字节。信息可以以模拟或数字形式检索。
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