Bode, Harald
2 records
History of Electronic Sound Modification Bibliography
Harald Bode surveys the history of electronic sound modification from 1896 to the present, tracing electromechanical precursors such as Thaddeus Cahill’s Telharmonium and instruments of the electronic era including the Trautonium, Hammond Novachord, RCA synthesizer and Moog modular systems; he documents technologies and effects including filters, envelope shaping, vocoder/voder, ring modulation, delay lines, tape techniques, flanging, phasing, frequency shifters, harmonizers and reverberation. The essay cites developments and devices by Les Paul, Eventide, Marshall and others, lists patents and publications, and notes presentations in 1980–81; manuscript courtesy Harald Bode and Peer Bode, published in J. Audio Engineering Society, October 1984.
Instruments by Harald Bode and the Bode Sound Co Tools
Harald Bode designed the Bode Vocoder Model No. 7702, the Warbo Formant Organ (1937, Heinrich-Herst Institut, with C. Warnke), the Melodium (shown 1938, with Oskar Vierling) and the Melochord (built 1947–1949). Model 7702 is a sixteen-channel vocoder (50–5080 Hz plus 5080–15000 Hz) with 6 ms analyzer response, voice-activated carrier/noise switching and a built-in rack-mountable power supply switchable 115/230 V. The Warbo Formant was a partially polyphonic four-voice instrument; the Melodium was a monophonic touch-sensitive keyboard with vibrato pedal; the Melochord was a monophonic 12-note-scale keyboard with octave-range switches, foot pedal and per-key envelope shaping, used at Bonn University and radio studios in Köln by Stockhausen.