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06-record-table.py - Recording live sound in RAM.
============================================================================================================================================
By recording a stream of sound in RAM, one can quickly re-use the
samples in the current process. A combination NewTable - TableRec
is all what one need to record any stream in a table.
The NewTable object has a `feedback` argument, allowing overdub.
The TableRec object starts a new recording (records until the table
is full) every time its method `play()` is called.
.. code-block:: python
from pyo import *
import os
# Audio inputs must be available.
s = Server(duplex=1).boot()
# Path of the recorded sound file.
path = os.path.join(os.path.expanduser("~"), "Desktop", "synth.wav")
# Creates a two seconds stereo empty table. The "feedback" argument
# is the amount of old data to mix with a new recording (overdub).
t = NewTable(length=2, chnls=2, feedback=0.5)
# Retrieves the stereo input
inp = Input([0, 1])
# Table recorder. Call rec.play() to start a recording, it stops
# when the table is full. Call it multiple times to overdub.
rec = TableRec(inp, table=t, fadetime=0.05).play()
# Reads the content of the table in loop.
osc = Osc(table=t, freq=t.getRate(), mul=0.5).out()
def saveToDisk():
savefileFromTable(table=t, path=path, fileformat=0, sampletype=3)
# After two seconds, the table content is saved to a file on disk.
sv = CallAfter(saveToDisk, time=2).play()
s.gui(locals())
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