| SoundShell :: weekly :: week#7 ::1 : 2 |
| New 20mHz oscillators from Digikey (part# 300-6042-ND) work great! I'm back to using breadboards again, and everything is working well for the time being. I re-wrote the PD (Pure Data) patch that contains the "brains" of the soundShell. Now, the computer is continuously recording little chunks of sound frequencies bouncing around the room. Every 2.5 seconds (110254 samples) it saves a chunk of those frequencies to a buffer and changes the filter to catch different frequencies. Only one narrow range of frequencies is captured at any point in time. While it is capturing sounds, it is also playing a loop of the sounds currently caught, all at once. After some testing an experiementation, I've found that: -Frequencies under 6kHz seem to work best, both in terms of being picked up by the built-in microphone better and in terms of sounding more "underwater-like" -Using the buit-in mic and the built-in speakers is a problem because it causes all kinds of feedback to appear. I think that's because the mic is too close to the speakers. Using external speakers and the built-in mic works fine. |
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