What is an octave? - Music: Practice Theory Stack Exchange An octave is simply an interval created by the use of the factor 2 instead - e g if we started with our 100Hz note again, and we wanted to go up an octave, we would double the frequency, taking us to 200Hz If we wanted to go down an octave, we'd halve it, taking us to 50Hz Why is this factor of 2 so special?
Which Octave am I Singing? (Clip Provided) However, she is telling me that I am singing in the wrong octave relative to what she plays on piano She plays a note on the piano - I sing it back, and she says "nope, you're singing the octave up" This is the first time I ever encountered doubt about which octave I'm singing Here's an example clip
如何评价最新的Octave Convolution？ - 知乎 Drop an Octave: Reducing Spatial Redundancy in Convolutional Neural Networks with Octave Convoluti…
Why is a doubling of frequency called an octave? There are many longer answers here on this topic But the gist is that like the octave (frequency ratio 2:1), small whole-number ratios of frequencies are often heard as "consonant " So the ratio 3:2 between frequencies sounds good (and, as noted, creates an interval called a perfect fifth), as well as the ratio 4:3 (the so-called perfect fourth)
theory - When was the word octave first used? - Music: Practice . . . So who first used the word "octave" in the modern music-theoretical sense, and, more importantly, when? By "the word 'octave'" I mean any word in any language that relates to the number eight, though I expect that it will most likely be the Latin word octava or some variant thereof
Why are there twelve notes in an octave? - Music: Practice Theory . . . It makes me wonder if the 12-semitone octave sounded good before the advent of "music as we know it" or if it is something of an acquired taste, in which case alternative breakdowns of the octave could be adapted to, like in the case of western vs indian vs east asian music