41. It contains elements of electropop and hip-hop, and employs heavy use of autotune and vocoder . 42. It was invented by Homer Dudley in 1937 1938 and developed on his earlier work on the vocoder . 43. Benjamin co-wrote " For You " with Sameer Gupta and is again featured on the vocoder . 44. The appearance of the vocoder 's funky robotic sound in these three songs isn't a coincidence. 45. The pair also started singing live for the first time, Schneider processing his voice with a vocoder live. 46. The vocoder has also been used extensively as an electronic musical instrument ( see # Uses in music ). 47. In the 1930s Bell Labs developed the vocoder , which automatically analyzed speech into its fundamental tones and resonances. 48. FM synthesis capability was included along with ring modulation, dual analogue inputs and a 42-band vocoder . 49. Also the Vocoder 5000 ( Studio Vocoder ) was available as a separate module installed into the Synthi 100. 50. Also the Vocoder 5000 ( Studio Vocoder ) was available as a separate module installed into the Synthi 100.
