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Time (stylized in all caps) is an American news magazine based in New York City. For nearly a century, it was published weekly, but starting in March 2020 it transitioned to every other week. It was first published in New York City on March 3, 1923, and for many years it was run by its influential co-founder, Henry Luce. A European edition (Time Europe, formerly known as Time Atlantic) is published in London and also covers the Middle East, Africa, and, since 2003, Latin America. An Asian edition (Time Asia) is based in Hong Kong. The South Pacific edition, which covers Australia, New Zealand, and the Pacific Islands, is based in Sydney. Since 2018, Time has been owned by Salesforce founder Marc Benioff, who acquired it from Meredith Corporation. Benioff currently publishes the magazine through the company Time USA, LLC. Time has been based in New York City since its first issue published on March 3, 1923, by Briton Hadden (1898–1929) and Henry Luce (1898–1967). It was the first weekly news magazine in the United States. The two had previously worked together as chairman and managing editor, respectively, of the Yale Daily News. They first called the proposed magazine Facts, wanting to emphasize brevity so a busy man could read it in an hour. They changed the name to Time and used the slogan "Take Time – It's Brief". Hadden was considered carefree and liked to tease Luce. He saw Time as important but also fun, which accounted for its heavy coverage of celebrities and politicians, the entertainment industry and pop culture, criticizing it as too light for serious news. Time set out to tell the news through people, and until the late 1960s, the magazine's cover depicted a single person. More recently, Time has incorporated "People of the Year" issues which grew in popularity over the years. The first issue of Time featured Joseph G. Cannon, the retired Speaker of the House of Representatives, on its cover; a facsimile reprint of Issue No.
[2]Paolo Prandoni, [3]LCAV, EPFL
In this notebook we will investigate the effect of phase on the
perceptual quality of a sound. It is often said that the human ear is
commercial-grade audio equipment takes place in the magnitude domain
only.
In [1]:
%matplotlib inline
import matplotlib
import matplotlib.pyplot as plt
import numpy as np
import IPython
from scipy.io import wavfile
In [2]:
plt.rcParams["figure.fig [2]Paolo Prandoni, [3]LCAV, EPFL
In [1]:
import matplotlib.pyplot as plt
import numpy as np
import scipy.signal as sp
import seaborn as sns
sns.set()
In [2]:
plt.rcParams["figure.figsize"] = (14,4)
The basic reproduction number[4]¶
The propagation mechanism of an epidemic such as the one caused by
SARS-CoV-2 virus can be roughly modeled, at least in its inital phase,
as a process in which each infected individ [2]Paolo Prandoni, [3]LCAV, EPFL
The Karplus-Strong algorithm is a simple method to generate synthetic
sounds with arbitrary pitch. In this notebook we will explore a few
variations of the method to illustrate some basic notions of
discrete-time signal processing.
In [1]:
%matplotlib inline
import matplotlib
import matplotlib.pyplot as plt
import numpy as np
import IPython
In [2]:
plt.rcParams["figure.figsize"] [2]Paolo Prandoni, [3]LCAV, EPFL
This notebook shows a simple way to process audio files (in WAV format)
in a block-by-block fashion; this is useful in two cases
1. when you want to process a data stream in real time but you can
accept a small processing delay; in this case a buffered approach
can yield computational gains
2. when you need to process a large file that does not fit entirely
into