Coordination doctorale de Saint-Étienne

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Détails de Biostatistiques

Biostatistiques

Intervenant(s)

Nicolas MATHEVON nicolas.mathevon@univ-st-etienne.fr

Objectifs

Contenu

Day 1 (Monday, January 6th, 2020)
8h30-12h30 What is a sound signal I? (N.Mathevon & F.Sebe)
Acoustic waves, digital acquisition, amplitude and measuring dB
13h30-15h30 What is a sound signal II? (N.Mathevon & F.Sebe)
Time/frequency representations, acoustic parameters, sound propagation, filters
Short introduction to classical softwares (Goldwave, Praat, Avisoft, seewave)
16h-20h Students’ projects warm-up (D.Reby, N.Mathevon & F.Sebe)
Groups of 5 students (material: their own phones and/or computers + free apps)
Examples of possible projects:
- The campus soundscape. I- the noise. (objective: mapping the variation of intensity level on the La Métare Campus
–in and out the classrooms; method: recording + measuring the dB level of the background noise with phone apps at different
hours and locations on the campus + characterizing the entropy and biodiversity indexes
- The campus soundscape. II- Biodiversity. (objective: mapping the acoustic diversity on the La Métare Campus;
method: recording the soundscape with phone apps at different hours and locations on the campus + characterizing the
entropy and biodiversity indexes
- The circadian rhythm of voice pitch (objective: testing if the pitch of an individual’s voice changes during the day;
method: recording of students’ voices at different moments during the day + psycho-acoustic tests to evaluate if we’re
sensitive to theses changes in voice “Please tell when during the day this voice has been recorded”)
- Voice features and individual size (objective: testing how voice pitch and spectrum depend on an individual’s size ;
method: recording students’ voices + measuring their size & correlates + psycho-acoustic test to see if we’re able to assess
the size of an individual from her/his size –confounding effect = sex)
- Politicians’ voices and election issues (objective: is it possible to predict the issue of an election from vocal features
measured during a political debate?; method: analysis of recordings –political debates available on the net- + psychoacoustic
tests of students?)
- Lombard effect (objective: do we modify the amplitude of our voice depending on the level of the background noise –
methods : playback of noise of different levels through headphones + recording of speech + measure of amplitude)
- Characterizing a loudspeaker for a biacoustics experiment (objective: determining which is the best
loudspeaker for an experiment on woodpecker drumming – methods: playback of white noise + woodpecker drummings in the
sound-proofed chamber + comparison with original signals)
- …
Students’ expected production:
*Poster (1 page) : Scientific context, problematic, hypothesis, method, results, discussion
*Powerpoint (15 minutes max).
Day 2 (Tuesday, January 7th, 2020)
8h-12h Signal processing 1 (with a focus on PRAAT -D.Reby) - Practicals 1: Introduction to PRAAT (signal manipulation -editing, resampling…) + analysis of mammal
vocalizations (Frequency analysis -spectrogram, spectrum, formants…; Time analysis)
14h-18h Signal processing 2 (with a focus on PRAAT -D.Reby) - Practicals 2: Analysis and re-synthesis of human voice with PRAAT
Day 3 (Wednesday, January 8th, 2020)
8h-12h The recording and emission chains - Problems and solution
& 14h30-18h30 (microphones, loudspeakers, recorders) – Practicals
(M.Greenfield, N.Mathevon & F. Sèbe)
Aquatic bioacoustics: from sound to silico – Practicals
(P.Fonseca)
3
13h-14h Technical support for students’ project (D.Reby, N.Mathevon &
F.Sebe)
19h-22h Evening event (to be defined)
(open to the public)
Maison de l’université, 10 rue Tréfilerie, Saint-Etienne
Day 4 (Thursday, January 9th, 2020)
9h-12h & 14-17h Field experiment - Practicals I (Human bioacoustics -Propagation of
human voice - Field experiment – (J.Meyer)
9h-12h & 14-17h How to analyse vocal signatures (with a practical with PRAAT &
seewave)
(N.Mathevon & F.Sebe)
12h-13h Technical support for students’ project (D.Reby, N.Mathevon &
F.Sebe)
16h30 – 18h The vocal expression of emotions (E.Briefer)
18h30-19h30 Fish bioacoustics (M.Beauchaud)
Day 5 (Friday, January 10th, 2020)
8h30-12h30 Introduction to ecoacoustics – (J.Sueur)
14h-17h Signal processing with the seewave R package (J.Sueur)
practicals 3: time frequency analysis and visualization, ecoacoustic
analysis
17h-19h Technical support for students’ project (D.Reby, N.Mathevon &
F.Sebe)
Day 6 (Monday, January 13th, 2020)
8h - 11h Rhythmic patterns (A.Ravignani)
11h30-13h30 Bioacoustics as a tool for social network studies (monkeys and
apes) (F.Levréro)
14h-17h Birdsong studies in the laboratory: technical advances in
tracking vocal changes (S.Derégnaucourt)
16h-18h Signal processing 3 – Practicals (F.Sebe)
4
Graphical synthesis, automatical research of templates
18h-20h Signal processing 5 – BioSound Python package
(F.Theunissen – VIDEO CONFERENCE)
Day 7 (Tuesday, January 14th, 2020)
8h-9h30 Information theory (T.Aubin)
9h30-10h30 The noise (T.Aubin)
11h-12h Coding strategies in song of songbirds (T.Aubin)
14h30-18h30 Field experimentations in bioacoustics: problems and solutions
(I.Charrier)
18h30- 21h Field bioacoustics in movies
(N.Mathevon & F.Sèbe)
“Bonjour les morses” http://videotheque.cnrs.fr/doc=2019
“Capitaine de la forêt” http://videotheque.cnrs.fr/doc=2846
“Crocodile melody” http://videotheque.cnrs.fr/doc=4168
“Les chants de la mer” http://www.universcience.tv/video-les-chants-de-la-mer-11660.html
Day 8 (Wednesday, January 15th, 2020)
8h – 12 h Whales’ bioacoustics (O.Adam)
14h – 15h30 Acoustic survey of animal populations: Detection and automatic
classification of bats’ echolocation calls (Yves Bas)
15h30 – 17h Classification of bat’s echolocation calls – Practicals (Yves Bas)
18h-20h Psychoacoustics of Marine mammals: behavioral conditioning,
auditory curves and impact of subaquatic noise
(C.Reichmuth – VIDEO CONFERENCE)
Day 9 (Thursday, January 16th, 2020)
8h-10h & 10h-12h Field experiment - Practicals II (Triangulation) (N.Mathevon & F.Sebe)
8h-10h & 10h-12h The use of sound libraries for conservation and scientific studies
(N.Mathevon)
12h-14h Technical support for students’ project (D.Reby, N.Mathevon &
F.Sebe)
14h – 16h Bioacoustics as a monitoring tool for fresh waters (F.Rybak)
5
16h – 18h Acoustic studies in Arthropods (F.Rybak)
Day 10 (Friday, January 17th, 2020)
8h – 8h45 The International Bioacoustic Council, other structures, scientific
journals and potential fundings opportunities in bioacoustics
(N.Mathevon)
9h-13h Current research topics at the ENES lab
(ENES lab PhD students & post-docs)
14h-18h Final exam
1. multiple choice test (45 minutes)
2. oral presentation by students (each group of students will present its
project in 15 minutes)

Déroulement

Date et lieux seront précisés ultérieurement
Students should bring the following material :
- laptop
- headphones
- softwares : PRAAT + Audacity + R with seewave package + Python + BioSound Python package
Please check that you’re able to record your voice with your laptop.

Périodicité

Durée et dates

10 h

Public

1ère année. 2ème année. 3ème année.

Remarques

 

Détail des dates

Biostatistiques

A préciser ultérieurement
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