This paper describes a variable amplitude band pass filter for use in the audio frequency range. The instrument consists of 36 independent 1/3 octave adjustments with visual indicators and mechanical memory. The design considerations and capabilities of the Spectrum Shaper will be detailed. The application of this equipment for special sound effects, audio equalization, refection of interference, band passing of desired signals and other uses will be discussed.
Click to purchase paper as a non-member or login as an AES member. If your company or school subscribes to the E-Library then switch to the institutional version. If you are not an AES member and would like to subscribe to the E-Library then Join the AES!
This paper costs $33 for non-members and is free for AES members and E-Library subscribers.