[PD] pd for oscilloscopes again

Roman Haefeli reduzent at gmail.com
Tue Dec 3 17:07:22 CET 2019

Hi Henry

On Tue, 2019-12-03 at 10:50 -0500, henry birdseye wrote:
> I made a very simple .pd, and no sound comes out.
> What am I missing?

It looks like you are looking for [osc~]. It expects a frequency and
outputs sine wave with given frequency as audio signal. This signal
sent to [dac~] will actually create an audible sound.

Be also careful not to confuse message boxes and object boxes. [sin~(
is a message box and just sends a message 'sin~' when it receives

Also, [440] simply holds the number '440'. For this object to output
anything at all, you'd have to send a 'bang' message to it. Probably
the simpler approach would be to write '440' into a message box, since
message boxes can clicked and they output their content when clicked.

So, something like this would generate sound:


and make sure to click [440( with the mouse, once you patched this.

Alternatively, you could simple do this, since [osc~] takes an

[osc~ 440]
[dac~ ]

NOTE: Be careful with volume, when you connect sound generators to
[dac~] directly.


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