From 17ca35b1a5ccf4f98c9a88b93845c48ad42fb2f4 Mon Sep 17 00:00:00 2001
From: Ed Rogers <etr@orc.soton.ac.uk>
Date: Thu, 5 Apr 2018 17:45:08 +0200
Subject: [PATCH] Add retest possibility
---
HearingTest.py | 21 +++++++++++++++------
1 file changed, 15 insertions(+), 6 deletions(-)
diff --git a/HearingTest.py b/HearingTest.py
index 0ef9d42..0c664ea 100644
--- a/HearingTest.py
+++ b/HearingTest.py
@@ -17,6 +17,7 @@ class HearingTest:
lower_lim = 0
n_blocks = 20
max_response_time = 1 # in seconds
+ untested_prob = 0.15
@staticmethod
def block_size():
@@ -46,13 +47,21 @@ class HearingTest:
return
def play_next_sound(self):
- # TODO allow tone outside lims with low prob?
choices = []
- for i, freq in enumerate(self.freqs):
- choices.extend([(freq, v) for v in
- np.arange(self.lower_bounds[i]+self.block_size(),
- self.upper_bounds[i],
- self.block_size())])
+ if random.random() < self.untested_prob:
+ # completely random - allows a little retesting
+ for freq in self.freqs:
+ choices.extend([(freq, v) for v in
+ np.arange(self.lower_lim,
+ self.upper_lim,
+ self.block_size())])
+ else:
+ # only allow choices from untested parts
+ for i, freq in enumerate(self.freqs):
+ choices.extend([(freq, v) for v in
+ np.arange(self.lower_bounds[i]+self.block_size(),
+ self.upper_bounds[i],
+ self.block_size())])
freq, volume = random.choice(choices)
self.library.play(freq, volume)
played_time = time.time()
--
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