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- Voder abstract "The Bell Telephone Laboratory's Voder (from Voice Operating Demonstrator) was the first attempt to electronically synthesize human speech by breaking it down into its acoustic components. It was invented by Homer Dudley in 1937–1938 and developed on his earlier work on the vocoder. The quality of the speech was limited; however, it demonstrated the synthesis of the human voice, which became one component of the vocoder used in voice communications for security and to save bandwidth.The Voder synthesized human speech by imitating the effects of the human vocal tract. The operator could select one of two basic sounds by using a wrist bar. A buzz tone generated by a relaxation oscillator produced the voiced vowels and nasal sounds, with the pitch controlled by a foot pedal. A hissing noise produced by a gas discharge tube created the sibilants (voiceless fricative sounds). These initial sounds were passed through a bank of 10 band pass filters that were selected by keys; their outputs were combined, amplified and fed to a loudspeaker. The filters were controlled by a set of keys and a foot pedal to convert the hisses and tones into vowels, consonants, and inflections. Additional special keys were provided to make the plosive sounds such as "p" or "d", and the affrictive sounds of the "j" in "jaw" and the "ch" in "cheese". This was a complex machine to operate. After months of practice, a trained operator could produce recognizable speech.Performances on the Voder were featured at the 1939 New York World's Fair and in San Francisco. Twenty operators were trained, with Mrs. Helen Harper particularly noted for her skill with the machine. The Voder was developed from research into compression schemes for transmission of voice on copper wires and for voice encryption. In 1948, Werner Meyer-Eppler recognized the capability of the Voder machine to generate electronic music, as described in Dudley's patent.Whereas the vocoder analyzes speech, transforms it into electronically transmitted information, and recreates it, the voder generates synthesized speech by means of a console with fifteen touch-sensitive keys and a pedal. It basically consists of the "second half" of the vocoder, but with manual filter controls, and requires a highly trained operator.".
- Voder wikiPageExternalLink voder.htm.
- Voder wikiPageID "30701271".
- Voder wikiPageLength "4159".
- Voder wikiPageOutDegree "16".
- Voder wikiPageRevisionID "660874410".
- Voder wikiPageWikiLink 1939_New_York_Worlds_Fair.
- Voder wikiPageWikiLink Affricate_consonant.
- Voder wikiPageWikiLink Band-pass_filter.
- Voder wikiPageWikiLink Band_pass_filter.
- Voder wikiPageWikiLink Bell_Labs.
- Voder wikiPageWikiLink Category:Speech_synthesis.
- Voder wikiPageWikiLink Formant.
- Voder wikiPageWikiLink Fricative_consonant.
- Voder wikiPageWikiLink Golden_Gate_International_Exposition.
- Voder wikiPageWikiLink Homer_Dudley.
- Voder wikiPageWikiLink Plosive.
- Voder wikiPageWikiLink Relaxation_oscillator.
- Voder wikiPageWikiLink Speech_synthesis.
- Voder wikiPageWikiLink Stop_consonant.
- Voder wikiPageWikiLink Vocal_tract.
- Voder wikiPageWikiLink Vocoder.
- Voder wikiPageWikiLink Werner_Meyer-Eppler.
- Voder wikiPageWikiLinkText "Voder".
- Voder wikiPageWikiLinkText "voder".
- Voder hasPhotoCollection Voder.
- Voder wikiPageUsesTemplate Template:Reflist.
- Voder subject Category:Speech_synthesis.
- Voder hypernym Attempt.
- Voder type MilitaryConflict.
- Voder comment "The Bell Telephone Laboratory's Voder (from Voice Operating Demonstrator) was the first attempt to electronically synthesize human speech by breaking it down into its acoustic components. It was invented by Homer Dudley in 1937–1938 and developed on his earlier work on the vocoder.".
- Voder label "Voder".
- Voder sameAs Voder.
- Voder sameAs m.0j62vb1.
- Voder sameAs Q2529839.
- Voder sameAs Q2529839.
- Voder wasDerivedFrom Voder?oldid=660874410.
- Voder isPrimaryTopicOf Voder.