def pluck(string):
"""
Pluck the given guitar string by replacing the buffer with white noise.
"""
ring_buffer.dequeue(string)
ring_buffer.enqueue(string, random.randrange(-0.5, 0.5))
def pluck(string):
"""
Pluck the given guitar string by replacing the buffer with white noise.
"""
for i in range(len(string[0])):
v = random.uniform(-0.5, 0.5)
ring_buffer.enqueue(string, v)
def tic(string):
"""
Advance the simulation one time step on the given guitar string by applying
the Karplus-Strong update.
"""
a = ring_buffer.dequeue(string)
b = ring_buffer.peek(string)
ring_buffer.enqueue(string, 0.996 * 0.5 * (a + b))
def pluck(string):
"""
Pluck the given guitar string by replacing the buffer with white noise.
"""
string_size = ring_buffer.size(string)
for i in range(0, string_size):
ring_buffer.dequeue(string)
ring_buffer.enqueue(string, random.uniform(-0.5, 0.5))
def pluck(string):
"""
Pluck the given guitar string by replacing the buffer with white noise.
"""
ring_buffer.dequeue(string)
random_entry = random.uniform(-0.5, 0.5)
print(random_entry)
ring_buffer.enqueue(string, random_entry)
def tic(string):
"""
Advance the simulation one time step on the given guitar string by applying
the Karplus-Strong update.
"""
x1 = ring_buffer.dequeue(string)
x2 = ring_buffer.peek(string)
x3 = 0.5 * (x1 + x2) * 0.996
ring_buffer.enqueue(string, x3)
def pluck(string):
"""
Pluck the given guitar string by replacing the buffer with white noise.
Replace each value (dequeue followed by enqueue) in the given ring
buffer with a random number from the interval [-0.5, 0.5].
"""
ring_buffer.dequeue(string)
r = random.uniform(-0.5, 0.5)
ring_buffer.enqueue(string, r)
def pluck(string):
"""
Pluck the given guitar string by replacing the buffer with white noise.
"""
# All elements in ring buffer replaced with random float.
for v in range(ring_buffer.capacity(string)):
v = random.uniform(-0.5, 0.5)
ring_buffer.dequeue(string)
ring_buffer.enqueue(string, v)
def create_from_samples(init):
"""
Create and return a guitar string whose size and initial values are given
by the list init.
"""
n = len(init)
rb = ring_buffer.create(n)
for v in init:
ring_buffer.enqueue(rb, v)
return rb
def tic(string):
"""
Advance the simulation one time step on the given guitar string by applying
the Karplus-Strong update.
Dequeue a value a in the given ring buffer and peek at the next value
b. Enqueue the value 0.996 * 0.5 * (a+b) into the ring buffer.
"""
a = ring_buffer.dequeue(string)
b = ring_buffer.peek(string)
ring_buffer.enqueue(string, 0.996 * 0.5 * (a + b))
def create_from_samples(init):
"""
Create and return a guitar string whose size and initial values are given
by the list init. Populate the ring buffer with values from init.
Return the ring buffer.
"""
capacity = len(init)
rb = ring_buffer.create(capacity)
for i in init:
ring_buffer.enqueue(rb, i)
return rb
def create(frequency):
"""
Create and return a guitar string of the given frequency, using a sampling
rate given by SPS. A guitar string is represented as a ring buffer of
of capacity N (SPS divided by frequency, rounded up to the nearest
integer), with all values initialized to 0.0.
"""
N = int(math.ceil(SPS / frequency))
rb = ring_buffer.create(N)
for i in range(N):
ring_buffer.enqueue(rb, 0.0)
return rb
def create_from_samples(init):
"""
Create and return a guitar string whose size and initial values are given
by the list init.
"""
# create a sample ring buffer
# use for loop and make it equal to init
samp_rg = ring_buffer.create(len(init))
for v in init:
ring_buffer.enqueue(samp_rg, v)
return samp_rg
def tic(string):
"""
Advance the simulation one time step on the given guitar string by applying
the Karplus-Strong update.
"""
# set x with removed value of the ring buffer.
x = ring_buffer.dequeue(string)
# set y without removing value of rg.
y = ring_buffer.peek(string)
# set z as with Karplus-Strong update.
# invoke enqueue with string and z
z = 0.996 * 0.5 * (x + y)
ring_buffer.enqueue(string, z)
def create(frequency):
"""
Create and return a guitar string of the given frequency, using a sampling
rate given by SPS. A guitar string is represented as a ring buffer of
of capacity N (SPS divided by frequency, rounded up to the nearest
integer), with all values initialized to 0.0.
"""
# calculating N then rouned up.
N = int(math.ceil(SPS / frequncy))
# create a guitar string by using ring buffer.
string = ring_buffer.create(N)
# use for loop for enqeue N.
for v in range(N):
ring_buffer.enqueue(string, 0.0)
# return string
return string
