[PDF] A new Audacity feature: room objective acustical parameters





Previous PDF Next PDF



AUDACITY MANUALE DUSO. 1) PREMESSA 2) PER INIZIARE

Ogni volta che inizio a registrare Audacity crea automaticamente una nuova traccia che contiene l'audio corrente. Sulla traccia il suono viene rappresentato 



A new Audacity feature: room objective acustical parameters

It gives a measure of how much the environment increases (or decreases) the perceived loudness of a sound. A. Farina S. Campanini. New Audacity Feature. Page 



Audacity Basics Tutorial

Audacity Basics Tutorial. 1. Create a new project. Open Audacity then IMMEDIATELY SAVE IT to your Jump Drive before recording or importing audio!



Audacity 1.2.6 - Manuale dutente (v. 0.0.2)

1 apr 1989 Audacity è un programma che manipola forme d'onda digitali. In aggiunta alla registrazione dei suoni direttamente dall'interno del programma è ...



Audacity - Effetti

Applicare un effetto significa in genere



Audacity Basics Training Booklet

Audacity is an open source sound editing tool that is freely available to download from the internet. The purpose of this.



Audacity - Effetti

Applicare un effetto significa in genere



Mini manuale di Audacity.

Audacity è un programma open source per registrare e trattare audio. Esiste per le principali piattaforme (Windows Linux



Contents

1 on OS X. Installing Audacity on Windows. INTERFACE. Track Area. Menu Bar. Tool Bar. TUTORIALS. Open/Import an Audio File. Recording a sound. Add Another Audio 



Audacity - Introduzione

EIS – Audacity. Editing digitale. ? Gli editor audio permettono di elaborare e manipolare i file audio. Tra le varie operazioni è possibile:.



[PDF] Guide dutilisation de la version 20 dAudacity logiciel de montage

http://audacity sourceforge net/localhelp/fr/audacity-mode-d'emploi pdf Le manuel officiel d'Audacity 2 0 x beaucoup plus complet que ce



[PDF] Tutoriel Audacity - DANE de Lyon

Texte et images de base : Mickaël Vieira : http://vieira mickael free Enregistrement au format Audacity " aup " : Ce type de sauvegarde va générer 



[PDF] audacitypdf

S'initier à l'interface de travail d'Audacity Étape 1 Puis sous l'onglet FORMAT DE FICHIER allez vérifier si WAV (Microsoft 16 bits PCM) est bien 



[PDF] Prise en main de Audacity

Audacity est un logiciel de traitement sonore libre et gratuit développé par une équipe de bénévoles Il permet d'enregistrer de jouer d'importer et 



[PDF] UTILISER AUDACITY EN CLASSE

Audacity présente de nombreuses fonctionnalités permettant de faire un travail très poussé autour de la manipulation audio Cependant ce tutoriel va surtout se 



[PDF] TUTORIEL SIMPLIFIE AUDACITY - CPD 67

Tutoriel proposé par Raphaël Sager / CPC TIC Circonscription de Molsheim / Décembre 2012 TUTORIEL SIMPLIFIE POUR LE MIXAGE SOUS AUDACITY PORTABLE 2 0 2 1



[PDF] Tutoriel AUDACITY

Audacity permet de faire les ajustements nécessaires 1 Découper un fichier 2 Modifier la vitesse 3 Modifier la hauteur 4 Changer le tempo



[PDF] audacity : guide dutilisation du logiciel de création et dédition de son

Vérifications préalables à l'utilisation du logiciel AUDACITY pour l'enregistrement et l'édition d'audio numérique 1 Vérifier que le casque et le micro 



[PDF] Initiation à Audacity - TechMania

- (fruity loops est le logiciel N° 1 pour la création de musique électronique sur PC Il permet la création de fichiers wav mp3 ou MIDI en quelques minutes



[PDF] AUDACITY - FLOSS Manuals

25 mai 2017 · Ce livre est disponible depuis le site de Flossmanuals sous plusieurs formes : livre imprimé pages web pdf et ePub ce dernier format

:

Why a port?

ISO 3382 Acoustical Parameters

TheAurorasuite

TheAudacityimplementation

In developmentA new Audacity feature: room objective acustical parameters calculation module

Angelo Farina Simone Campanini

Università degli Studi di Parma - Facoltà di Ingegneria

Linux Audio Conference, 2009

A. Farina, S. CampaniniNew Audacity Feature

Why a port?

ISO 3382 Acoustical Parameters

TheAurorasuite

TheAudacityimplementation

In developmentContents

1Why a port?

2ISO 3382 Acoustical Parameters

3TheAurorasuite4TheAudacityimplementation5In development

A. Farina, S. CampaniniNew Audacity Feature

Why a port?

ISO 3382 Acoustical Parameters

TheAurorasuite

TheAudacityimplementation

In developmentIntroduction

Some reasons for a port:

need for platform independent measuring toolsneed to go beyond the limits of a closed source main application

A. Farina, S. CampaniniNew Audacity Feature

Why a port?

ISO 3382 Acoustical Parameters

TheAurorasuite

TheAudacityimplementation

In developmentThe First Attempt

Acoustical Parameters

is an independent module has a complex window!many functions can be reused for other modules

A. Farina, S. CampaniniNew Audacity Feature

Why a port?

ISO 3382 Acoustical Parameters

TheAurorasuite

TheAudacityimplementation

In developmentRoom Acoustic Project

Main targets:

Good listening for the audience.

Good feedback for the speakers or the

musicians.

A. Farina, S. CampaniniNew Audacity Feature

Why a port?

ISO 3382 Acoustical Parameters

TheAurorasuite

TheAudacityimplementation

In developmentSubjective vs. Objective

Listening is a subjective fact,

but can be a projectsubjective?

A set of objective acoustical parameters is

needed!

A. Farina, S. CampaniniNew Audacity Feature

Why a port?

ISO 3382 Acoustical Parameters

TheAurorasuite

TheAudacityimplementation

In developmentSubjective vs. Objective

Listening is a subjective fact,

but can be a projectsubjective?A set of objective acoustical parameters is needed!

A. Farina, S. CampaniniNew Audacity Feature

Why a port?

ISO 3382 Acoustical Parameters

TheAurorasuite

TheAudacityimplementation

In developmentAcoustical Parameters

Many acoustical parameters has been tested in

the second half of 20 thcentury.

An important set of them is collected in the

ISO 3382 standard.

A. Farina, S. CampaniniNew Audacity Feature

Why a port?

ISO 3382 Acoustical Parameters

TheAurorasuite

TheAudacityimplementation

In developmentA Room Fingerprint: The Impulse Response

A. Farina, S. CampaniniNew Audacity Feature

Why a port?

ISO 3382 Acoustical Parameters

TheAurorasuite

TheAudacityimplementation

In developmentReverberation Time

T 60
Time needed by the sound pressure to decrease by 60 dB from a steady level.

A. Farina, S. CampaniniNew Audacity Feature

Why a port?

ISO 3382 Acoustical Parameters

TheAurorasuite

TheAudacityimplementation

In developmentClarity And Definition Indexes

C te,Dte They are logarithmic ratios between a fraction and the entire (or the remaining) IR energy. t ecan be 50 ms or 80 ms: the first for speech, the latter for music.

A. Farina, S. CampaniniNew Audacity Feature

Why a port?

ISO 3382 Acoustical Parameters

TheAurorasuite

TheAudacityimplementation

In developmentSound Strenght

G It is a logarithmic ratio between the energy of the measured IR and a reference one.

It gives a measure ofhow muchthe environment

increases (or decreases) the perceived loudness of a sound.

A. Farina, S. CampaniniNew Audacity Feature

Why a port?

ISO 3382 Acoustical Parameters

TheAurorasuite

TheAudacityimplementation

In developmentSpatial Indexes

LF;LFC;LG;IACC

They give a listener surround capabilities measure of the room. It is needed a more complex recording equipment:Omidirectional + Figure-of-eigth microphones (LF;LFC;LG).Binaural microphone (IACC).A. Farina, S. CampaniniNew Audacity Feature

Why a port?

ISO 3382 Acoustical Parameters

TheAurorasuite

TheAudacityimplementation

In developmentStage Parameters

ST

Early;STLate

They are logarithmic ratios between early or late energy and the early one (first 100 ms) of the IR.

They are performer indexes

A. Farina, S. CampaniniNew Audacity Feature

Why a port?

ISO 3382 Acoustical Parameters

TheAurorasuite

TheAudacityimplementation

In developmentAurora: A Multipurpose Plugin Suite

Aurorais a toolkit for Adobe AuditionR

written by

Angelo Farina.

It includes:ISO 3382 Acoustical Parameters calculator toolset for measurements with MLS technique toolset for measurements withSineSweeptechniquevarious convolution tools

Speech Transmission Index (STI) calculator

A. Farina, S. CampaniniNew Audacity Feature

Why a port?

ISO 3382 Acoustical Parameters

TheAurorasuite

TheAudacityimplementation

In developmentThe Original Implementation

Since its first releaseAuroraiswritten in plain C code implemented as XFSCool Editplug-inavailable only on Windows platforms

A. Farina, S. CampaniniNew Audacity Feature

Why a port?

ISO 3382 Acoustical Parameters

TheAurorasuite

TheAudacityimplementation

In developmentTheAcoustical Parametersmodule windowA. Farina, S. CampaniniNew Audacity Feature

Why a port?

ISO 3382 Acoustical Parameters

TheAurorasuite

TheAudacityimplementation

In developmentThe Multiplatform Way: Compatibility Issues

WhyAudacity?It is a multiplatform application

It is a good quality software, with a growing

set of featuresIt is open-source

A. Farina, S. CampaniniNew Audacity Feature

Why a port?

ISO 3382 Acoustical Parameters

TheAurorasuite

TheAudacityimplementation

In developmentThe Porting Process

Some steps has ben followed:

General code reordering

Conversion from C to C++

Conversion of GUI functions to wxWidgets

onesImplementation as externalAudacitylibrary (thanks toAudacitydevelopers group!)A. Farina, S. CampaniniNew Audacity Feature

Why a port?

ISO 3382 Acoustical Parameters

TheAurorasuite

TheAudacityimplementation

In developmentAurora For Audacity: Setup Window

A. Farina, S. CampaniniNew Audacity Feature

Why a port?

ISO 3382 Acoustical Parameters

TheAurorasuite

TheAudacityimplementation

In developmentAurora For Audacity: Main Window

A. Farina, S. CampaniniNew Audacity Feature

Why a port?

ISO 3382 Acoustical Parameters

TheAurorasuite

TheAudacityimplementation

In developmentAurora For Audacity: Graphbar

A. Farina, S. CampaniniNew Audacity Feature

Why a port?

ISO 3382 Acoustical Parameters

TheAurorasuite

TheAudacityimplementation

In developmentComparison Of Results

A confrontation has been made with two

commercial software:Brüel & KjaerDiracversion 3.0Morset Sound DevelopmentWinMLS 2004 version 1.07

A. Farina, S. CampaniniNew Audacity Feature

Why a port?

ISO 3382 Acoustical Parameters

TheAurorasuite

TheAudacityimplementation

In developmentComparison Of Results -T20@ 250 HzAcoust. B&K WinMLS

Param. Dirac 3.0 2004

EDT[s]4.82 4.76 4.74

T

20[s]5.02 5.01 5.01

T

30[s]4.98 4.96 4.97

C

80[dB]- 4.40 -4.24 -4.8

D

50[-]0.20 0.20 0.19

ST

E[dB]3.26 4.05 -

ST

L[dB]8.70 9.63 -

IACC

E[-]0.34 - 0.31

A. Farina, S. CampaniniNew Audacity Feature

Why a port?

ISO 3382 Acoustical Parameters

TheAurorasuite

TheAudacityimplementation

In developmentComparison Of Results -T20@ 1 kHzAcoust. B&K WinMLS

Param. Dirac 3.0 2004

EDT[s]4.44 4.41 4.38

Tquotesdbs_dbs23.pdfusesText_29
[PDF] audacity pour les nuls

[PDF] tutoriel audacity francais gratuit

[PDF] audacity tutoriel montage audio

[PDF] manuel audacity 2.1.1 en français

[PDF] manuel audacity 2.0 5 en français

[PDF] cours de communication audiovisuelle pdf

[PDF] histoire de l'audiovisuel pdf

[PDF] cours d'audiovisuel (pdf)

[PDF] définition d'audiovisuel

[PDF] qu'est ce que la communication audiovisuelle

[PDF] cours audiovisuel gratuit

[PDF] communication audiovisuelle définition

[PDF] lexique audiovisuel pdf

[PDF] lexique publicité et communication

[PDF] lexique de communication pdf