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    • 1. 发明授权
    • Metrological digital audio reconstruction
    • 计量数字音频重建
    • US07345975B2
    • 2008-03-18
    • US10783231
    • 2004-02-19
    • Vitaliy FadeyevCarl Haber
    • Vitaliy FadeyevCarl Haber
    • G11B7/28
    • G11B3/70
    • Audio information stored in the undulations of grooves in a medium such as a phonograph record may be reconstructed, with little or no contact, by measuring the groove shape using precision metrology methods coupled with digital image processing and numerical analysis. The effects of damage, wear, and contamination may be compensated, in many cases, through image processing and analysis methods. The speed and data handling capacity of available computing hardware make this approach practical. Two examples used a general purpose optical metrology system to study a 50 year old 78 r.p.m. phonograph record and a commercial confocal scanning probe to study a 1920's celluloid Edison cylinder. Comparisons are presented with stylus playback of the samples and with a digitally re-mastered version of an original magnetic recording. There is also a more extensive implementation of this approach, with dedicated hardware and software.
    • 通过使用与数字图像处理和数值分析相结合的精密计量方法测量凹槽形状,可以很少或不接触地重建存储在诸如留声机记录介质中的凹槽波形的音频信息。 在许多情况下,通过图像处理和分析方法可以补偿损伤,磨损和污染的影响。 可用计算硬件的速度和数据处理能力使此方法实用。 两个例子使用通用光学测量系统来研究50岁的78 r.p.m。 留声机记录和商业共聚焦扫描探针,研究1920年的赛璐id爱迪生气瓶。 与样品的手写笔回放和原始磁记录的数字重新编辑版本相比较。 这种方法还有更广泛的实现,具有专门的硬件和软件。
    • 2. 发明申请
    • Metrological digital audio reconstruction
    • 计量数字音频重建
    • US20050002319A1
    • 2005-01-06
    • US10783231
    • 2004-02-19
    • Vitaliy FadeyevCarl Haber
    • Vitaliy FadeyevCarl Haber
    • G11B3/70
    • G11B3/70
    • Audio information stored in the undulations of grooves in a medium such as a phonograph record may be reconstructed, with little or no contact, by measuring the groove shape using precision metrology methods coupled with digital image processing and numerical analysis. The effects of damage, wear, and contamination may be compensated, in many cases, through image processing and analysis methods. The speed and data handling capacity of available computing hardware make this approach practical. Two examples used a general purpose optical metrology system to study a 50 year old 78 r.p.m. phonograph record and a commercial confocal scanning probe to study a 1920's celluloid Edison cylinder. Comparisons are presented with stylus playback of the samples and with a digitally re-mastered version of an original magnetic recording. There is also a more extensive implementation of this approach, with dedicated hardware and software.
    • 通过使用与数字图像处理和数值分析相结合的精密计量方法测量凹槽形状,可以很少或不接触地重建存储在诸如留声机记录介质中的凹槽波形的音频信息。 在许多情况下,通过图像处理和分析方法可以补偿损伤,磨损和污染的影响。 可用计算硬件的速度和数据处理能力使此方法实用。 两个例子使用通用光学测量系统来研究50岁的78 r.p.m。 留声机记录和商业共聚焦扫描探针,研究1920年的赛璐id爱迪生气瓶。 与样品的手写笔回放和原始磁记录的数字重新编辑版本相比较。 这种方法还有更广泛的实现,具有专门的硬件和软件。