Scott H. Hawley drscotthawley

## WebAudioFreqGain.html
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
<html> <head>
<title>WebAudio OSC Output Example - 2 Variables</title>
<!-- By Scott Hawley @drscotthawley.  Modified from https://github.com/automata/osc-web/blob/master/web-side/app.html
No additional license restrictions are introduced with these modifications; the automata/osc-web site gives no license info.
Thus as far as this author is concerned: "unlimited license": feel free to use & modify in any way you wish!  -->
</head>

<body>
<h2>WebAudio OSC Output Example - 2 Variables</h2>

## oscilloscope.py
import numpy as np
import cv2
import soundcard as sc        # Get it from https://github.com/bastibe/SoundCard
imWidth, imHeight = 1024, 512                       # screen size
def draw_wave(screen, mono_audio, xs, title="oscilloscope", gain=5):
    screen *= 0                                     # clear the screen
    ys = imHeight/2*(1 - np.clip( gain * mono_audio[0:len(xs)], -1, 1))  # the y-values of the waveform
    pts = np.array(list(zip(xs,ys))).astype(np.int) # pair up xs & ys
    cv2.polylines(screen,[pts],False,(0,255,0))     # connect points w/ lines
    cv2.imshow(title, screen)                       # show what we've got

## tailtop
# tails output of any SLURM job that is listed in the queue.
# if job is pending, tailjob will wait until the output file exists
# usage: tailjob <job_id>
tailjob() {
    local job_id=$1
    if [[ -n "$job_id" ]]; then
        local stdout_file=$(scontrol show job "$job_id" | awk -F= '/StdOut=/{print $2}')
        echo "Running tail -F $stdout_file"
        tail -F "$stdout_file"
    else

## apply_sox_effect.py
import pysox
import librosa
import numpy as np

def apply_sox_effect(signal, sr, fxstr):
    # This writes signal to a .wav file, processes it sox to another file, loads that and returns it.
    #
    # signal:  a numpy list of numbers; the audio signal
    # sr:      the sample rate in Hz, must be an integer
    # fxstr:   a semicolon-separated string starting with the effect name followed by parameter values in order

## dualsense_listener.py
#! /usr/bin/env python

# OS-Agnostic PS5 DualSense Controller Listener
# Author: Scott H. Hawley

# Instructions:
# 1. Pair the DualSense controller with your computer
# 2. Install hidapi system binary, e.g. on Mac: brew install hidapi
# 3. Install Python packages: pip install hidapi pygame numpy
# 4. Run this script!

## faves2bibtex.py
#! /usr/bin/env python3
"""
faves2bibtex.py
Author: Scott Hawley

Scrapes URLs contained in tweets you (or another user) favorited ('liked') for DOI & other bibliographic info,
and tries to generate a set of BibTex entries to stdout.
Status messages go to stderr

Sample usage:
	<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
	<html> <head>
	<title>WebAudio OSC Output Example - 2 Variables</title>
	<!-- By Scott Hawley @drscotthawley. Modified from https://github.com/automata/osc-web/blob/master/web-side/app.html
	No additional license restrictions are introduced with these modifications; the automata/osc-web site gives no license info.
	Thus as far as this author is concerned: "unlimited license": feel free to use & modify in any way you wish! -->
	</head>

	<body>
	<h2>WebAudio OSC Output Example - 2 Variables</h2>
	import numpy as np
	import cv2
	import soundcard as sc # Get it from https://github.com/bastibe/SoundCard
	imWidth, imHeight = 1024, 512 # screen size
	def draw_wave(screen, mono_audio, xs, title="oscilloscope", gain=5):
	screen *= 0 # clear the screen
	ys = imHeight/2(1 - np.clip( gain mono_audio[0:len(xs)], -1, 1)) # the y-values of the waveform
	pts = np.array(list(zip(xs,ys))).astype(np.int) # pair up xs & ys
	cv2.polylines(screen,[pts],False,(0,255,0)) # connect points w/ lines
	cv2.imshow(title, screen) # show what we've got
	# tails output of any SLURM job that is listed in the queue.
	# if job is pending, tailjob will wait until the output file exists
	# usage: tailjob <job_id>
	tailjob() {
	local job_id=$1
	if [[ -n "$job_id" ]]; then
	local stdout_file=$(scontrol show job "$job_id" \| awk -F= '/StdOut=/{print $2}')
	echo "Running tail -F $stdout_file"
	tail -F "$stdout_file"
	else
	import pysox
	import librosa
	import numpy as np

	def apply_sox_effect(signal, sr, fxstr):
	# This writes signal to a .wav file, processes it sox to another file, loads that and returns it.
	#
	# signal: a numpy list of numbers; the audio signal
	# sr: the sample rate in Hz, must be an integer
	# fxstr: a semicolon-separated string starting with the effect name followed by parameter values in order
	#! /usr/bin/env python

	# OS-Agnostic PS5 DualSense Controller Listener
	# Author: Scott H. Hawley

	# Instructions:
	# 1. Pair the DualSense controller with your computer
	# 2. Install hidapi system binary, e.g. on Mac: brew install hidapi
	# 3. Install Python packages: pip install hidapi pygame numpy
	# 4. Run this script!
	#! /usr/bin/env python3
	"""
	faves2bibtex.py
	Author: Scott Hawley

	Scrapes URLs contained in tweets you (or another user) favorited ('liked') for DOI & other bibliographic info,
	and tries to generate a set of BibTex entries to stdout.
	Status messages go to stderr

	Sample usage: