summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--shared-bindings/audiobusio/I2SOut.c2
-rw-r--r--shared-bindings/audiocore/RawSample.c2
-rw-r--r--shared-bindings/audioio/AudioOut.c2
-rw-r--r--shared-bindings/audiopwmio/PWMAudioOut.c2
4 files changed, 4 insertions, 4 deletions
diff --git a/shared-bindings/audiobusio/I2SOut.c b/shared-bindings/audiobusio/I2SOut.c
index d965aac89..fd71a6e85 100644
--- a/shared-bindings/audiobusio/I2SOut.c
+++ b/shared-bindings/audiobusio/I2SOut.c
@@ -61,7 +61,7 @@
//| length = 8000 // 440
//| sine_wave = array.array("H", [0] * length)
//| for i in range(length):
-//| sine_wave[i] = int(math.sin(math.pi * 2 * i / 18) * (2 ** 15) + 2 ** 15)
+//| sine_wave[i] = int(math.sin(math.pi * 2 * i / length) * (2 ** 15) + 2 ** 15)
//|
//| sine_wave = audiocore.RawSample(sine_wave, sample_rate=8000)
//| i2s = audiobusio.I2SOut(board.D1, board.D0, board.D9)
diff --git a/shared-bindings/audiocore/RawSample.c b/shared-bindings/audiocore/RawSample.c
index c0f9325e6..2eadf1fab 100644
--- a/shared-bindings/audiocore/RawSample.c
+++ b/shared-bindings/audiocore/RawSample.c
@@ -61,7 +61,7 @@
//| length = 8000 // 440
//| sine_wave = array.array("h", [0] * length)
//| for i in range(length):
-//| sine_wave[i] = int(math.sin(math.pi * 2 * i / 18) * (2 ** 15))
+//| sine_wave[i] = int(math.sin(math.pi * 2 * i / length) * (2 ** 15))
//|
//| dac = audioio.AudioOut(board.SPEAKER)
//| sine_wave = audiocore.RawSample(sine_wave)
diff --git a/shared-bindings/audioio/AudioOut.c b/shared-bindings/audioio/AudioOut.c
index 574868202..9ba72bd41 100644
--- a/shared-bindings/audioio/AudioOut.c
+++ b/shared-bindings/audioio/AudioOut.c
@@ -61,7 +61,7 @@
//| length = 8000 // 440
//| sine_wave = array.array("H", [0] * length)
//| for i in range(length):
-//| sine_wave[i] = int(math.sin(math.pi * 2 * i / 18) * (2 ** 15) + 2 ** 15)
+//| sine_wave[i] = int(math.sin(math.pi * 2 * i / length) * (2 ** 15) + 2 ** 15)
//|
//| dac = audioio.AudioOut(board.SPEAKER)
//| sine_wave = audiocore.RawSample(sine_wave, sample_rate=8000)
diff --git a/shared-bindings/audiopwmio/PWMAudioOut.c b/shared-bindings/audiopwmio/PWMAudioOut.c
index d6b102317..812b7330d 100644
--- a/shared-bindings/audiopwmio/PWMAudioOut.c
+++ b/shared-bindings/audiopwmio/PWMAudioOut.c
@@ -63,7 +63,7 @@
//| length = 8000 // 440
//| sine_wave = array.array("H", [0] * length)
//| for i in range(length):
-//| sine_wave[i] = int(math.sin(math.pi * 2 * i / 18) * (2 ** 15) + 2 ** 15)
+//| sine_wave[i] = int(math.sin(math.pi * 2 * i / length) * (2 ** 15) + 2 ** 15)
//|
//| dac = audiopwmio.PWMAudioOut(board.SPEAKER)
//| sine_wave = audiocore.RawSample(sine_wave, sample_rate=8000)