aThe envelope is the overall amplitude structure of a sound, so called because the sound just "fits" inside its envelope: what this means should be clear from a time-domain display of almost any interesting sound, zoomed out enough that the entire waveform is visible. 因为声音“适合”在它的...
What we love: With a library-style system that includes illustrated labels, acid-free drawers, vertical files, small fabric bags, and a stitched envelope, this is the perfect way to keep track of every detail of the wedding planning process — and it’s the best bridal shower gift idea fo...