英文字典中文字典Word104.com



中文字典辭典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z   


安裝中文字典英文字典辭典工具!

安裝中文字典英文字典辭典工具!








  • Phonautograph - Wikipedia
    The phonautograph is the earliest known device for recording sound Previously, tracings had been obtained of the sound-producing vibratory motions of tuning forks and other objects by physical contact with them, but not of actual sound waves as they propagated through air or other mediums
  • History of Phonautograph
    It was patterned with the human ear, working on vibrations with a vibration membrane called the eardrum to facilitate and process these vibrations The phonautograph produced images from sound vibrations by tracing the sound waves on a blackened glass or paper
  • The Complicated Origins of Recorded Sound: Phonograph vs Phonautograph
    After combining the technologies and discoveries of his predecessors, Scott and a “skillful and learned manufacturer” built what was essentially a large mechanical version of a human ear They called it the phonautograph
  • Origins of Sound Recording: The Inventors
    Sound had been invisible and transient since the beginning of time Scott’s phonautograph recorded it and made it both visible and perm­anent It was a technological breakthrough, ahead of its time He did not intend for his phon­autograms to be played back; that concept was another 20 years away
  • The Phonautograph and Precursors to Edisons Phonograph
    Leon Scott's phonautograph, invented as far back as 1857, had demonstrated that ambient sound waves could be traced as a visual image through the vibrations of a bristle on a sheet of soot-covered paper, known as a phonautogram
  • 1860 Phonautograph Is Earliest Known Recording - NPR
    The "phonautograph" was patented in 1857 by Edouard-Leon Scott de Martinville; the device recorded images from sounds, tracing squiggles in black soot coating a surface
  • Phonautograph History - Invention of Phonautograph
    This invention (patented on March 25, 1857) called Phonautograph paved the way for the future inventors who introduced to the world not only better capable sound recording devices, but also sound reproducing devices
  • Picturing Sound: Édouard-Léon Scott de Martinville (1817–1879) - Hear . . .
    French typographer Édouard-Léon Scott de Martinville invented the phonautograph, a machine to make a visual record of sound waves traveling through the air First patented in 1857 and revised repeatedly, his design would influence the direction of sound studies


















中文字典-英文字典  2005-2009

|中文姓名英譯,姓名翻譯 |简体中文英文字典