4 results found for physics

View Grid List
Sort A-Z By date
human-sound 00:11:00

Human Sound

by Joe Wolfe
Human Sound
for 14-19 and upwards,
Lectures | 14-19 and upwards | 5 years ago | 1140 views
Rating:

Sound is produced in the larynx; filtering it in the vocal tract produces formants and phonemes. The acoustics, mechanics and some neurobiology of hearing. Pitch perception.

More details | Watch now
interference-and-consonance 00:08:00

Interference and consonance

by Joe Wolfe
Interference and consonance
for 14-19 and upwards,
Lectures | 14-19 and upwards | 6 years ago | 804 views
Rating:

Superposing waves with different frequencies gives beats and Tartini tones. Removing beats gives consonance. Tuning consonances gives temperament.

More details | Watch now
quantifying-sound 00:09:00

Quantifying sound

by Joe Wolfe
Quantifying sound
for 14-19 and upwards,
Lectures | 14-19 and upwards | 6 years ago | 881 views
Rating:

Frequency, amplitude, envelope and spectrum affect pitch, loudness and timbre. All are discussed and quantified here.

More details | Watch now
sound 00:09:00

Sound

by Joe Wolfe
Sound
for 14-19 and upwards,
Lectures | 14-19 and upwards | 6 years ago | 705 views
Rating:

Sound is a longitudinal wave of variations in pressure and density. We derive and measure its speed.

More details | Watch now