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Started March 30th, 2010 · 7 replies · Latest reply by Timbre 14 years ago
Hi, I have searched ultra-sound ,inaudible and things but not quite getting what im hoping for. Is it possible to create an interesting waveform pattern through various frequencies inaudible to the human ear.. like what would appear to be a silent song/ sound?
hope this makes sense, i am looking for the visual behind this and using this silent shape for an art project.
I dont know much about sound, so if all you'd get is a straight line waveform as it were, then let me know.
thanks for any help to this random question
shona096
Is it possible to create an interesting waveform pattern through various frequencies inaudible to the human ear.. like what would appear to be a silent song/ sound?
hope this makes sense, i am looking for the visual behind this and using this silent shape for an art project.
I dont know much about sound, so if all you'd get is a straight line waveform as it were, then let me know.
Depending on the purpose of your project, you might be interested in sounds humans can hear but not distinguish. For example, some birdsong has so many pitches in such a short timespan that what we hear as a kind of creak can actually be quite a complex melody, but just goes by too fast for the human ear to distinguish each note. There are a lot of recordings of birdsong here - if you took some and put them into a waveform editor, slowed it down or whatever and took a screenshot, then you might get something interesting.
Conversely you might take a sound humans can hear normally but speed it up until it's inaudible, and then take a screenshot of what that waveform looks like? I don't think I can come up with anything else which might be helpful without knowing the point of your project. Care to share?
shona096
Hi, I have searched ultra-sound ,inaudible and things but not quite getting what im hoping for. Is it possible to create an interesting waveform pattern through various frequencies inaudible to the human ear.. like what would appear to be a silent song/ sound?
shona096
hope this makes sense, i am looking for the visual behind this and using this silent shape for an art project.
I dont know much about sound, so if all you'd get is a straight line waveform as it were, then let me know.
thanks for any help to this random question
Spectrograms are pictures of sound, e.g. a bat ...
http://upload.wikimedia.org/wikipedia/commons/a/ae/Keoka_pip_spectogram.png
http://en.wikipedia.org/wiki/File:Keoka_pip_spectogram.png
It would be possible to have a spectrogram of ultrasound, (i.e. sound frequencies above 20kHz).
thankyou for such valuable answers!
Im a degree student doing a 'freelance' project, i found myself drawn to the shapes of sound and the invisibility of sound yet it being so powerful. Bringing to life what sound isnt, such as colour and physical form.
Im still researching though so, i guess theres no point in it as such.
I couldnt really decide on what sound to use, i considered the word 'silence' and am now considering silence itself hence, the inaudible samples.
shona096
thankyou for such valuable answers!Im a degree student doing a 'freelance' project, i found myself drawn to the shapes of sound and the invisibility of sound yet it being so powerful. Bringing to life what sound isnt, such as colour and physical form.
Im still researching though so, i guess theres no point in it as such.I couldnt really decide on what sound to use, i considered the word 'silence' and am now considering silence itself hence, the inaudible samples.
Actually, sound does have a physical form, and you can see it if you look at the cone of a speaker whilst sound is playing through it. Perhaps some kind of installation which plays sound inaudible to human ears through a speaker cone so that the cone moves silently?
Or how about the sounds which traditionally are disregarded before and after more "important" sound events? Like the hush after the music stops but before the applause, or that sound you get when the needle reaches the end of the record but nobody picks it up, or the sound after you push the lift button but before the lift arrives?
You may be interested in John Cage's 4'33".
http://en.wikipedia.org/wiki/4%E2%80%B233%E2%80%B3
The fabulous Reinsamba has an audio recording of a slug munching on a lettuce leaf which may be of interest:
http://www.freesound.org/samplesViewSingle.php?id=72755
Your project sounds interesting, good luck.
Youtube video of spectrogram ... http://www.youtube.com/user/Photosounder?blend=2&ob=1#p/u/0/C0isGVHPIKQ
(also converts photos to sounds ... http://www.youtube.com/watch?v=W8MCAXhEsy4 )