Additional Info

• ID Code: H5-44
• Purpose: Illustrate a variety of audio demonstrations and effects.
• Description: Side 1: Several types of organ pipes - pure tones, octave, Two steady pure tones - whole tone and half tone separation; 500 Hz and 2 kHz, left - 1 kHz right; Frequency modulated signals for pitch; Square and triangular wave frequency modulations; Beats (mistuned unison) at 1 kHz and 500 Hz; One steady frequency with one swept frequency; Beats (mistuned octave); Fundamental tracking; Beats - actual performance; Woodwind trio - two acoustical environments. Side 2: Broad band white noise - 20Hz-20kHz; Bands of white noise - various center frequencies and band widths; Five spoken and instrumental passages - recorded in anechoic chamber and played back in different acoustical environments; Narrow band noise signals and reverberation in hall measurements.
• Availability: Available
• References: REFERENCES: (PIRA unknown.) See Demonstration Reference File for detailed written description, a copy of which is kept with the cassette.
• Loc codes: H5