sound 1 week research

8/14/2019 Sound 1 Week Research

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what is sound? sound is a pressure

disturbance that movesthrough a medium in the form

of mechanical waveswaves move outward in all

directions from a source

they are produced byvibrations of the sourceobjectsound waves are made up of

Compression and Rarefaction

. .www scienceaheead com


2/25

audio sensors

. . / . =www virtualmedicalcentre com anatomy asp?sid 29


3/25

audio input devices

.a Microphones

.b

.c MIDI


4/25

sound sensor with arduinoMicrophone from an electronic headset

:// . . / / / / - /http lab guilhermemartins net 2009 05 03 sound sensor


5/25

particulate flow detectionmicrophone

Laserbeam accuracy particulate flow detection

:microphone uses a preciselaser and smoke to measure

movement of particulates

suspended in the air Sound pressure waves disturb the

modulating laserbeam

:// . . / / / - - .http audiolemon blogspot com 2009 09 laser accurate microphone html


6/25

primal source usman haque

some modes created creatures, ,whose colour shape and movement

followed the frequency andamplitude dynamics of individualsyllables and sentences picked

up

some modes responded to wider. .collective phenomena i edistorting a grid in response to

the crowd volume

. . . / .www haque co uk primalsource php


7/25

primal source usman haque

. . . / .www haque co uk primalsource php


8/25

MIDImusical instrument digital

interfacecontains a list of events or messages that tellan electronic device how to generate a sound

records and saves list of messages and.instructions in a MID file

can be played on any electronic device thatcontains synthesizer software

,can change speed tempo and pitch of recorded,music can be played with a compatible musicalinstrument or device as an output

:// . . / .http entertainment howstuffworks com midi1 htm


9/25

audio actuators


10/25

audio output devices

.a realtime audio processing

.b

.c tone generation libraries

.d

.e synthesizers and soundgeneration

.f.g MIDI


11/25

realtime audio processing alters an incoming audio

signal and puts it backto an audio output

, , ,reverb phasor flanger orringmodulator effects

can be achieved in this

way can also output computed,waveforms like Sinewave

,Bell and Xylophonesounds

. . / . / / / - - -interface khm de index php lab experiments arduino realtime audio processing/


12/25

max msp softwarerealtime visual programming environment

for multimedia and control that is greatfor learning about digital signal

processinggraphical programming environment for

music and media applications :hardware interfacing wii remotes to

,iphones many sensors and actuatorschannels can be created and manipulatedfor a variety of sounds

time stretching and freezing


13/25

audio spotlight

Sound is transponded to a high frequencyultrasound that is too high for it to

be heard High frequency ultrasound is highly

,directional like a flashlight so itcan be pointed at someone a long

distance away The person cannot hear the ultrasound

itself but it causes secondaryvibrations in the ear which is what we

hear

The beam is metre wide

:// . . /http www holosonics com


14/25

audio filters filters limit frequencies that go through them High pass and Low pass filters allow high and low frequencies to

,pass through respectively add these filters together to make Band Pass filters and Notch

, ,filters to ban multiple bands pass multiple bands or manipulatebands over time

as a result you can produce sounds that sound like words and more

clearly articulate music . . / / / / - -jejt wordpress com 2008 08 27 arduino audio filter


15/25

wave shield adafruit wave shield for

arduinos improves audio quality ,can play up to 22KHz 12 bit

uncompressed audio files of anylength , , -onboard DAC filter and op amp

for high quality output

audio files are read off of a/ ( - )SD MMC card FAT 16

. . / . = & = & =www adafruit com index php?main_page product_info cPath 17_21 products_id 94


16/25

noise makers the difference between noisemakers and sound filters is the

difference between din and music -this is a 16 step programmable

sequencer with adjustablefrequency and duration for each

step

synthesizer with 4 output( , ,waveforms sine square triangle)and sawtooth

( ,noise generation sirens, )laser beam random noise

. . / / / / - - /jejt wordpress com 2008 08 27 arduino audio filter


17/25

humanthesizer the human synthesizer uses

conductive body paint and floor padsto complete circuits on contact

when the circuit is completed soundis produced

groupings of pads are set up to

produce different instruments the result is a predetermined song

set in motion by coreography

. . / = & = & = & =www youtube com watch?v up1wraRnriI fmt 22 annotation_id annotation_528683 feature iv


18/25

noise cancellinguses microphones to sample ambientnoiseinverts the phase of that signal and

removes it from what you are listeningto ,opposite or near opposite soundwaves

with ambient noise does not increase

,the sound heard but cancels it out ,by this logic if one speaker is,normal and the second speaker is,inverted the person who is equidistant

from both speakers will be in a quietspot

. . / = -www youtube com watch?v YNK4Wc3 Ij4


19/25

stereo beat generator using stereo speakers

the arduino can give theimpression that sound is

coming from differentdirections this manipulates ourperception

demonstration at:// . /http vimeo com 944420


20/25

acoustically coupled analogneural network

Evolving sonic environment III Usman Haque

. . . / .www haque co uk evolvingsonicenvironment php


21/25

acoustically coupled analogneural network

-acoustically coupled analog neural network

:// . . . / .http www haque co uk evolvingsonicenvironment php


22/25

( )sonicity stanza realtime sound stream using wirelesssensors data gathered from new technologies

:monitors the building and the city including, , , , , ,light temp sound noise pollution humidity

position -motes tiny wireless sensor boards gather

data and communicate to the central server real world is monitored and the data storedin a archive retrieval system

/ -custom max msp moto reader and soundsynthesis engine in Max MSP allows you to

hear the sounds of space using additionalmixers. . . / /www stanza co uk sonicity


23/25

( )sonicity stanza explores interaction with public space

and how this affects socialization of thespace 40 mote multi sensor network that is

scattered throughout the building -nodes placed 10 300 metres apart gather data when switched on

realtime polling of data online fromsensors to xml feeds sonification of the datathe software allows all the sensors to be

mixed and cross mashed

. . . / /www stanza co uk sonicity


24/25

other interesting examplesInteractive Shopping Cart

. . / =www youtube com watch?v 8ZDRfmozQVU

:Memory is a Pea pressure sensors onthe pillow activate the playback of

dreamlike sounds as participants movetheir head on the pillow
http://www.youtube.com/watch?v=8ZDRfmozQVUhttp://www.youtube.com/watch?v=8ZDRfmozQVUhttp://www.youtube.com/watch?v=8ZDRfmozQVU


25/25

free librairies and onlinesoftware

Free Sound Project://http . . / .www freesound org index php

: ,Tweet a Sound application allows you to design a sound uses twitter as- +a platform for sharing sonic tweets also good for mashups online

concerts :Tutorial http:// . . /www soundplusdesign com ? =p 1621

:Sound Doodle this is a sample based software that alloys you to apply

: , - , ,four main effects to sound reverb multi tap stereo delay resonators andgranular synthesis can also play sound in reverse and change its speed:// . .http www soundplusdesign com/

:Soundhack ://http . . / .www soundhack com freeware php :Arduino Tone Generation Library :// . . / / - /http code google com p arduino tone
http://www.freesound.org/index.phphttp://www.freesound.org/index.phphttp://www.freesound.org/index.phphttp://www.freesound.org/index.phphttp://www.soundplusdesign.com/?p=1621http://www.soundplusdesign.com/?p=1621http://www.soundplusdesign.com/?p=1621http://www.soundplusdesign.com/?p=1621http://www.soundplusdesign.com/?p=1621http://www.soundplusdesign.com/http://www.soundplusdesign.com/http://www.soundplusdesign.com/http://www.soundhack.com/freeware.phphttp://www.soundhack.com/freeware.phphttp://www.soundhack.com/freeware.phphttp://www.soundhack.com/freeware.phphttp://code.google.com/p/arduino-tone/http://code.google.com/p/arduino-tone/http://code.google.com/p/arduino-tone/http://www.soundhack.com/freeware.phphttp://www.soundhack.com/freeware.phphttp://www.soundplusdesign.com/http://www.soundplusdesign.com/http://www.soundplusdesign.com/?p=1621http://www.soundplusdesign.com/?p=1621http://www.soundplusdesign.com/?p=1621http://www.freesound.org/index.phphttp://www.freesound.org/index.php

sound 1 week research

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