synthio: update ring mod manual test

Author: jepler

tests/circuitpython-manual/synthio/note/ring.py

@@ -23,18 +23,17 @@
 )
 
 synth = synthio.Synthesizer(sample_rate=48000)
+bend_out = np.linspace(0, 32767, num=SAMPLE_SIZE, endpoint=True, dtype=np.int16)
 
 
 def synthesize(synth):
     n = synthio.Note(
-        frequency=120,
+        frequency=440,
         waveform=sine,
         ring_waveform=sine,
         ring_frequency=769,
         envelope=envelope,
-        bend_mode=synthio.BendType.VIBRATO,
-        bend_depth=50 / 1200,
-        bend_rate=7,
+        bend=synthio.LFO(bend_out, scale=50 / 1200, rate=7),
     )
 
     print(synth, n)
@@ -43,6 +42,13 @@ def synthesize(synth):
     synth.release_all()
     yield 36
 
+    n.ring_frequency = 0
+    print(synth, n)
+    synth.press((n,))
+    yield 720
+    synth.release_all()
+    yield 36
+
 
 def chain(*args):
     for a in args: