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2. Pure tone - Wikipedia

   en.wikipedia.org/wiki/Pure_tone

   A pure tone's pressure waveform versus time looks like this; its frequency determines the x axis scale; its amplitude determines the y axis scale; and its phase determines the x origin. In psychoacoustics , a pure tone is a sound with a sinusoidal waveform ; that is, a sine wave of constant frequency , phase-shift , and amplitude . [ 1 ]

3. Columbus College of Art and Design - Wikipedia

   en.wikipedia.org/wiki/Columbus_College_of_Art...

   First graduating class at CCAD. CCAD was founded in 1879 as the Columbus Art School. The idea for the school started in 1878, when a group of women formed the Columbus Art Association. Their main concern became creating an art school in Columbus. The first day of classes was January 6, 1879, on the top floor of the Sessions Building at Long and ...

4. Chroma feature - Wikipedia

   en.wikipedia.org/wiki/Chroma_feature

   A pitch class is defined as the set of all pitches that share the same chroma. For example, using the scientific pitch notation, the pitch class corresponding to the chroma C is the set {..., C −2, C −1, C 0, C 1, C 2, C 3...} consisting of all pitches separated by an integer number of octaves.

5. Pitch circularity - Wikipedia

   en.wikipedia.org/wiki/Pitch_circularity

   This continuum is known as pitch height. However pitch also varies in a circular fashion, known as pitch class: as one plays up a keyboard in semitone steps, C, C ♯, D, D ♯, E, F, F ♯, G, G ♯, A, A ♯ and B sound in succession, followed by C again, but one octave higher.

6. Harmonic pitch class profiles - Wikipedia

   en.wikipedia.org/wiki/Harmonic_pitch_class_profiles

   Do frequency filtering. A frequency range of between 100 and 5000 Hz is used. Do peak detection. Only the local maximum values of the spectrum are considered. Do reference frequency computation procedure. Estimate the deviation with respect to 440 Hz. Do Pitch class mapping with respect to the estimated reference frequency. This is a procedure ...

7. Franklin Art Glass Studios - Wikipedia

   en.wikipedia.org/wiki/Franklin_Art_Glass_Studios

   Franklin Art Glass Studios, Inc. was founded in 1924 with three principals, Wilhelm Kielblock, Wilhelm Kielmeier, and Henry ‘Elmore’ Helf. Originally located at 135 East Spring St. company’s creation was during the depression and as the depression deepened and commissions for stained glass continued to decline, Wilhelm Kielmeier pulled ...