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    • 8. 发明授权
    • Digital sound reproducing and editing device with variable-speed
continuous sound reproduction
    • 具有可变速连续声音再现的数字声音再现与编辑装置
    • US5717534A
    • 1998-02-10
    • US507303
    • 1995-08-28
    • Yoshiyuki YahagiYukihiro MaruyamaMasami SatoKaoru Sekigawa
    • Yoshiyuki YahagiYukihiro MaruyamaMasami SatoKaoru Sekigawa
    • G11B15/10G11B15/18G11B15/467G11B20/10G11B27/00G11B27/032H04S1/00G11B5/09
    • H04S1/007G11B15/1875G11B20/10527G11B27/005G11B27/032G11B15/103G11B15/4673G11B2220/90G11B2220/913
    • A variable speed reproduction of speech from memory depending on the indication of a jog dial is accomplished by buffer memory (23) for speech sound and a jog dial (17) for controlling a read speed from this memory. Speech sound data is read out from the buffer memory (23) at a speed corresponding to the indication of the jog dial (17). The speech sound data is reproduced, independent of the jog dial (17), from a tape (13) and is written into the memory (23). A capstan motor drive circuit (18) detects the difference between the read address and the write address of the memory (23) and controls the reproduction speed of the sound speech data from the tape (13) in accordance with this difference. Since the read speed is directly controlled for the memory (23), no time delay exists between the speed command and the actual variable-speed reproduction. The address difference between write and read of the memory (23) is always monitored to keep the buffer from becoming empty so that continuous reproduction can be made, so that when the speech sound is edited, variable-speed continuous reproduction can be made for speech editing by the buffer memory (23) alone.
    • PCT No.PCT / JP94 / 00339 Sec。 371 1995年12月11日第 102(e)日期1995年12月11日PCT 1994年3月3日PCT公布。 公开号WO94 / 20960 日期1994年9月15日根据用于语音的缓冲存储器(23)和用于从该存储器控制读取速度的微动拨盘(17)来实现取决于微动拨盘指示的来自存储器的语音的可变速度再现。 以对应于微动拨盘(17)的指示的速度从缓冲存储器(23)读出语音数据。 独立于微动拨盘(17)的语音声音数据从磁带(13)再现,并被写入存储器(23)。 主动马达驱动电路(18)检测读取地址和存储器(23)的写入地址之间的差异,并且根据该差异控制来自带(13)的声音语音数据的再现速度。 由于直接对存储器(23)控制读取速度,所以在速度命令和实际的可变速度再现之间不存在时间延迟。 始终监视存储器(23)的写入和读取之间的地址差异以保持缓冲器不变空,使得可以进行连续再现,使得当语音被编辑时,可以对语音进行可变速度连续再现 仅由缓冲存储器(23)进行编辑。