Engenheiro eletrônico, doutor e mestre em Engenharia
Elétrica (Sistemas Eletrônicos). Professor no Depto. de Música da USP RP. Pesquisador associado no LSI (Laboratório
Sistemas Integráveis) da POLI USP. Coordenador do Núcleo de Engenharia de Áudio e Codificação Sonora (NEAC-LSI-USP).
Músico instrumentista. Fundador da Organia
Interests Research and development on
Areas of Interest: Sound/Music Technology, Signal Processing, Audio
Engineering, Sonic computing, Multimedia Coding (e.g. MPEG),
Interactive Multimedia Systems, Information Systems, Digital Media.
PhD. EE. Polytechnic School of the University of São Paulo (Brazil,
MS. EE. Polytechnic School of the University of São Paulo (Brazil,
BS. EE. (emphasis on Electronics) Minas Gerais Federal University (Brazil,
Summary of Qualifications
Post doctorate at the University of Sheffield, Acoustics Group (UK, 2010). Post doctorate at Linköpings Universitet, Sound Technology Group (Sweden, 2009). PhD and MSc in Electronic Engineering a the Polytechnic School of
the University of São Paulo. Doctorate research focus on advanced
spatial audio system architectures/techniques for sound immersion.
Master research focus on wavelet multiresolution analysis of musical
Assistant professor at the Music Department, Communications and Arts School, University of São Paulo (ECA/USP) Campus Ribeirão Preto, responsible for acoustics and music technology courses. Associate Researcher and leader of the Audio Engineering and Coding Center of the Laboratory of Integrable Systems, University of São Paulo (NEAC-LSI-EPUSP). Responsible for scientific advising and
investigation, research and development projects on audio
technologies, audiovisual coding, interactive and reconfigurable
multimedia platforms, digital TV, MPEG, and sound/music technologies.
Responsible in 2005 for conducting the studies and developments in
audio systems for the Brazilian Digital TV System (SBTVD) R&D
Project, such as the MPEG-AAC codec and the audio architecture.
Member of the SBTVD Technical Forum since 2006, and active
contributor on the ISDB-Tb standardization process.
Experience in system architecture design, conception and
coordination of R&D projects, development of multimedia services/systems
(hardware/software), technology integration, and scientific events
organization (3 times general chair of AES Brazil conference: 2006,
2007 and 2008).
Specialist in music/audio technologies, spatial audio, digital audio
processing, audio coding (MPEG), wavelet theory and music analysis/synthesis.
Advanced knowledge on project management, multimedia signal
processing, musical acoustics, reconfigurable multimedia system
design (VHDL), digital TV systems, virtual reality (CAVE’s) and
telecom/network basics (TCP/IP, SDH).
Musician (flutes), lecturer and speaker on musical technology.
Experience with audio/music processing software and audio equipment.
Musical skills in audio quality assessment, melody memory and
expressivity modeling. Excellent writing, communication and
Experience with platforms PCs, SUN, SGI; OS UNIX, Linux, Windows
95/98, NT, 2000, XP, DOS. Programming in PD, MATLAB, C, Fortran,
Pascal, HTML. Intermediate skills on C++.
Double citizenship: Brazilian and Italian. Fluent in Portuguese and
English. English Proficiency by the ELS Language Center (Case
Western Reserve University, Cleveland, OH, 1993). Italian:
conversation, reading and writing. Spanish: conversation and reading.
Member of the Audio Engineering Society (AES). Conselour and ex-vice president (2008-2010) of the
AES Brazil section. Member of the AES Technical Committees on
Spatial Audio Technologies and Audio Coding.
Founding member and Coordinator of the Computer Music Interest Group
of the Brazilian Computer Society (SBC).
1993 - present
Laboratório de Sistemas Integráveis (LSI), Polytechnic School of the
University of São Paulo www.lsi.usp.br
Associate researcher / Audio Engineering and Coding Center
coordinator. Associate researcher in audiovisual technologies since 1993. Experience in applied research and development projects and
consultancy in multimedia engineering, sound technologies,
audiovisual coding, interactive services and digital/analog
multimedia platforms. Founder (1997) and manager for 8 years of the
Media Engineering Center. Worked with wavelets in music analysis,
telemedicine, virtual reality, spatial audio and sound coding.
Founder (2005) and coordinator of the Audio Engineering and Coding
Center (NEAC-LSI-USP) addressing innovative research in spatial audio, sound coding
and music technologies. Advisor on graduation & under-graduation
Assistant professor. Responsible for the acoustics and music technology courses.
2008 - present
Organia Musical Engineering Audiovisual Technologies, São Paulo (Brazil) www.organia.com.br
Partner / Research and Development Advisor. Founder (2008) of Organia, an engineering,
consultancy, research and development company oriented to innovative
sound technologies and services. Supports research
projects targeting the development of reconfigurable digital music
formats and tools, and multichannel/spatial audio/music production supported by FAPESP and CNPq Brazilian agencies.
2000 - present
Laboratório de Sistemas Integráveis Tecnológico (LSI-TEC), São Paulo
Associate Member / R&D Project Manager and Scientist. Worked on set-top boxes platform design with hardware description
languages and systems development. Responsible for research and
developments on the audio codec and reproduction modules of the
reference receptor for the SBTVD (Brazilian DTV System) R&D Project
in 2005. Associate member of the LSI-TEC since 2006.
2006 – 2008
FASP – Associated Faculties of São Paulo, São Paulo (Brazil) www.fasp.br
1998 – 1999
Faculty Radial São Paulo, São Paulo (Brazil) www.radial.br
Full Professor. Responsible for the courses L ogic and Computer Programming (LPC), and Programming Languages and Tecnhiques (LTC).
1991 - 1992
Minerações Brasileiras Reunidas SA (MBR), Belo Horizonte/Rio de
Trainee Engineer. Participated on an extensive training program over the whole company,
from mineral prospecting to mining and export business. Worked at
industrial ore processing plants, open mine, at the maritime export
terminal facilities, environmental and geology research areas, and
with Total Quality Control. Company later acquired by Vale (www.vale.com).
Tematic Research project supported by FAPESP agency (process no. processo no. 2008/08632-8) targeting the development of interactive processes in music production with technologies. Project developed in the University of São Paulo (USP). Responsible for the sub-coordination of R&D activities in the 4th research line (Musical acoustics, psichoacoustics and auralization).
Supports the development of an innovative software for the production of surround/spatial audio/music programs, particularly targeting the DTV application scenario and requirements for audio production, encoding and transmission. Project supported by CNPq Brazilian research council process no. RHAE no. 573424/2008-0.
Coordinator of the research project, leaded by Organia and backed by
the LSI-TEC/LSI. The project considers an information survey on the
phonographic market, with the content producers and an alignment of
technologies for the proposal of a new paradigm for reconfigurable
digital music. It addresses the experimental development of three
technological components for a show-case: a new format for
reconfigurable digital music, an encoder (authorship software), and
a decoder (player) for personalized reproduction of musical content.
Project supported by FAPESP Brazilian Agency process no. 07/01634-2.
• ISDB-Tb Standardization (2006-present)
Contributor in the Brazilian DTV System (SBTVD or ISDB-Tb)
standardization process. Active collaborator and one of the chairs
of the audio coding part (ABNT NBR 15602-2) and the Coding
Operational Guide. Participant of the SBTVD Forum.
Project coordinator, responsible for software system design,
teams and collaborative work integration and project management.
The main objective is the development of two software packages
for sound immersion, production of sound scenes, and 3D
interactive auralization of spatial sound scenes, using
AUDIENCE is a flexible and scalable hardware/software system for
2D/3D audio production, coding/decoding and auralization (sound
immersion). The project delivered a complete hw/sw solution and
many published papers.
• MPEG AAC
(Advanced Audio Coding) Studies and Developments for SBTVD
Responsible for coordinating a team addressing the research,
design, developments, and tests of a multichannel audio coder/decoder
architecture for the Brazilian DTV System (SBTVD) based on the
MPEG-4 AAC codec. Project in the scope of the SBTVD R&D Project,
part of Audio Coding and Decoding. Partially concluded.
Processing Module for the SBTVD Reference Access Terminal (2005)
Responsible for coordinating a
team addressing the research of audio unit architectures and
processors for DTV set-top boxes, including the design,
implementations and tests of audio decoding, synthesis, spatial
processing and reproduction functions in user terminals, in the
scope of the Brazilian DTV System (SBTVD) R&D Project, part of
• Sound System
Design for Theater and Auditory
Responsible for the general sound
design and specifications of audio
equipment for stage, control room
and auditory spaces.
Platforms for Digital/Analog TV (2002-2004)
Industry oriented Project.
Responsible for project conception and coordination. Action in
high-level system design, technical specifications; design of
service-oriented prototypes, timeline, activities specification
and management, leading a team of 11 professionals.
Visualization for High Performance
Cluster Computer (2002-2003)
Responsible for the specification
and coordination of a stereoscopic
visualization tool for a high performance
cluster computer systems oriented
to applications in the oil industry.
• MPEG Consultancy
Action for industry and feasibility studies for MPEG
decoding platforms design. Invited speaker at several
seminars and technical events in Europe, Brazil and USA.
Reconfigurable Multimedia Digital Set-Top Box Family Project
Project coordination – action in the high-level system features
design, technical and service specification; responsible for
project conduction, design of service-oriented prototypes,
timeline and activities specification and management.
Responsible for the network infrastructure
and radio equipment startup, access terminals
installation and starting of videoconference
medical services in the Hospital of Porto
Velho, Rondonia State, in the Brazilian
Amazonia, connected to the Hospital das
Clínicas in São Paulo. This
service settled the basis for the oncopediatria.org.br
• MoD Project
– Media on Demand –
Interactive Multimedia Services/Applications
Musiface AoD Service (Audio on Demand
Responsible for service specification,
technical features and services,
visual design, user interface conception
and management of the development
(Media on Demand Application/Server)
Responsible for service specification,
technical features and services,
visual design, user interface, and
management of the development project. http://www.lsi.usp.br/polimidia.
• High Speed
Research Link, Teleconference Laboratory
and Digital Media Studio (1998).
Action in engineering design, implantation
of network SDH infrastructure, specification
of equipment, prototyping of interactive
digital services (such as videoconference
and collaborative work), and implantation
of a distributed digital media studio
for collaborative production between
computer graphics and music facility
at the University of São
Paulo and the DSN Cable TV infrastructure
laboratory, at NEC headquarters
in São Paulo.
Digital SDH 310Mbps Link between
University of São Paulo and NEC
Brazil DSN Laboratory.
Developed a wavelet-based signal
analyzer and a user interface under
MATLAB platform for the analysis
of audio signals (oriented to the
analysis of musical gestures) using
a Wavelet Multiresolution Analysis
framework. The interface is capable
of loading sounds, processing different
analysis, editing wavelet coefficients,
and performing selectivereconstruction
of audio/musical signals.
FAGUNDES, R. D. R. (Org.) ; MAIA JR., A. (Org.) ; FARIA, R. R. A. (Org.) . Proceedings of the 8th AES Brazil Conference / 14th AES Brazil National Convention (Online). Rio de Janeiro: AES Brasil - Sociedade de Engenharia de Áudio, 2010. v. 1. 67 p. ISSN 2177-529X.
FARIA, R. R. A. (Org.) ; PIMENTA, M. (Org.) ; KELLER, D. (Org.) ; QUEIROZ, M. (Org.) ; RAMALHO, G. (Org.) ; CABRAL, G. (Org.) . Proceedings of the 12th Brazilian Symposium on Computer Music (CDROM). Porto Alegre: SBC - Sociedade Brasileira de Computação, 2009. v. 1. 232 p.
FAGUNDES, R. D. R. (Org.) ; MAIA JR., A. (Org.) ; FARIA, R. R. A. (Org.) . Proceedings of the 7th AES Brazil Conference / 3rd. AES Latin America Conference / 13th AES Brazil National Convention (Online). Rio de Janeiro: AES Brasil - Sociedade de Engenharia de Áudio, 2009. v. 1. 129 p. ISSN 2177-529X.
SOUSA, G. H. M. ; SCARPATO, P. F. ; PEGORARO, F. S. ; FARIA, R. R. A. Desenvolvimento de um formato para música digital reconfigurável sobre MPEG-4. In: 7th AES Brazil Conference, 2009, São Paulo. Proceedings. Rio de Janeiro: AES Brasil, 2009.
MANNIS, J. A. , FARIA, R. R. A. (org). 6th AES Brazil Conference/12th AES Brazil National Convention Proceedings. AES Brazil, São Paulo, 2008. ISBN 978-85-99997-03-1.
THOMAZ, L. F. ; FARIA, R. R. A. A real time and interactive music spatialization system. In: 11th Brazilian Symposium on Computer Music, 2007, São Paulo. Proceedings. São Paulo, 2007. p. 121-132.
CARVALHO, E. R.; de BARROS, G.G.; COSTA, L.C.P.; FARIA,
R.R.A.; NUNES, R.P.; LOPES, R.D.; ZUFFO, M.K. The
Brazilian Digital Television System Access Device
Architecture. Journal of the Brazilian Computer Society – JBCS, v. 13,
n. 1, Mar. 2007, p. 95-113, 2007. ISSN 0104-6500.
FARIA, R. R. A. (org). 5th AES Brazil Conference/11th
AES Brazil National Convention. CD-ROM Proceedings. AES Brazil, São Paulo, 2007. ISBN
VITAL, R. S. ; FARIA, R. R. A. Desenvolvimento experimental de amplificadores multicanal para auralização. In: AES Brasil, 2007, São Paulo. Anais do 5o. Congresso de Engenharia de Áudio / 11a. Convenção Nacional da AES Brasil. Rio de Janeiro : AES Brasil, 2007. v. 1. p. 89-96.
CABRAL, M. C. ; ZUFFO, M. K. ; GHIROTTI, S. ; BELLOC, O.
; NOMURA, L. ; NAGAMURA, M. ; ANDRADE, F. ; FARIA, R. R.
A. ; THOMAZ, L. F. An experience using X3D for virtual
cultural heritage. In: Web3D 2007, 2007, Perugia. Twelfth international
conference on 3D web technology. Proceedings. New York : ACM Press, 2007. p. 161-164.
FARIA, R. R. A. et al. “Objective evaluation of audio
compression standards and tools for digital TV
applications”. In: 56th Annual IEEE Broadcast Symposium.
HIRA, A.Y., NEBEL DE MELLO, A., FARIA, R. R. A., ODONE FILHO, V., LOPES, R. D., ZUFFO, M. K. “Development of a telemedicine model for emerging
countries: A case study on pediatric oncology in
Brazil”. In: IEEE EMBS 2006 (International Conference of
the Engineering in Medicine and Biology Society). New York, 2006.
THOMAZ, L. F.; FARIA, R. R. A.; ZUFFO, M. K.; ZUFFO, J.
A. “Orchestra spatialization using the AUDIENCE engine. In: Proceedings of the ICMC 2006 (International Computer Music Conference). New Orleans, 2006.
FARIA, R. R. A.; ZUFFO, J. A. “An auralization engine
adapting a 3D image source acoustic model to an
Ambisonics coder for immersive virtual reality”. In: AES
28th International Conference (The Future of Audio
Technology – Surround and Beyond), 2006, Pitea, Sweden. Proceedings. 2006. p. 157-166.
FARIA, R. R. A. and ZUFFO, M. K. (ed). 4th AES Brazil
Conference/10th AES Brazil National Convention. CD-ROM Proceedings. AES Brazil, São Paulo, 2006. ISBN 85-99997-01-7.
THOMAZ, L. F.; FARIA, R. R. A.; ZUFFO, M. K.; ZUFFO, J.
A. “Experimentações de espacialização orquestral sobre a
arquitetura AUDIENCE”. In: 4th AES Brazil Conference/10th AES Brazil National
Convention, São Paulo, 2006. Proceedings. 2006. p.72-77.
MITRE, A.; QUEIROZ, M.; FARIA, R. R. A. “Accurate and
efficient fundamental frequency determination from
precise partial estimates”. In: 4th AES Brazil
Conference/10th AES Brazil National Convention, São
Paulo, 2006. Proceedings. 2006. p.113-118.
FARIA, R. R. A. et al. “Improving spatial perception
through sound field simulation in VR”. In: VECIMS 2005 - IEEE Conference on Virtual
Environments, Human-Computer Interfaces and Measurement
Systems, 2005, Giardini Naxos, Italy. Proceedings. 2005. p.103-108.
FARIA, R. R. A. et al. “AUDIENCE - Audio Immersion
Experiences in the CAVERNA Digital”. In: SBCM 2005 - The 10th Brazilian Symposium on Computer Music, 2005, Belo Horizonte. Proceedings of the 10th
Brazilian Symposium on Computer Music - Current
Frameworks for Music Information Representation, 2005.
THOMAZ, L. F.; ZUFFO, M. K.; ZUFFO, J. A.; FARIA, R. R.
A. “Simulação de Som 3D em um Ambiente de Realidade
Virtual Imersiva utilizando HRTF”. In: III Congresso
Brasileiro de Engenharia de Áudio da AES Brasil/IX
Convenção Nacional da AES-Brasil, São Paulo, 2005.
Proceedings. 2005. p. 44-48.
MELLO, A. N.; HIRA, A. Y.; FARIA, R. R. A.; ZUFFO, M.
K.; FILHO, V. O. “Development of a pilot telemedicine
network for paediatric oncology in Brazil”. Journal of Telemedicine and Telecare, v.11, supplement 2, 2005. p.16-18 (5th. International Conference on
Successes and Failures in Telehealth).
FARIA, R. R. A. “Auralization in immersive audiovisual
environments”. PhD Thesis. Electronic Systems Dept.,
Polytechnic School, University of São Paulo. São Paulo, 2005. Accessible at http://www.lsi.usp.br/~regis/ (in Portuguese)
FARIA, R. R. A.; Dal Poz, M.A.S.; Zuffo, M.K. “A Novel
Approach for Multimedia Rendering Platforms”. In: 1st.
International Conference on Fuzzy Systems and Knowledge
Discovery – FSKD’02, Singapore, 2002. Proceedings. 2002, v.2, p.763-767.
Dal POZ, M. A. S.; LEITÃO, R. B. V.; FARIA, R. R. A.;
LOPES, R. de Deus.; Zuffo, M. K. “Towards Fully
Reconfigurable Multimedia Platforms”. In: 1st. Ibero-American Symposium in Computer Graphics - SIACG, Guimarães, Portugal, 2002. Proceedings. 2002. p.155-162.
FARIA, R. R. A. "Application of wavelets on the analysis
of musical gestures in timbres of traditional acoustic
instruments”. MSc. Dissertation, Polytechnic School,
University of São Paulo, 1997. (in Portuguese)
FARIA, R. R. A. et al. "Wavelets in music analysis and
synthesis: timbre analysis and perspectives".
In: SPIE Conference on Wavelet Applications in Signal
and Image Processing IV, Denver, 1996.
Proceedings SPIE, v.2825, pt.2, 1996. p.950-61.
FARIA, R. R. A.; Zuffo, J.A. "Wavelets as a
multiresolution analysis and synthesis technique for
sound timbres edition", Proceedings of the 2nd.
Brazilian Symposium on Computer Music, XV Brazilian
Computer Society Conference, Canela, 1995.
Porto Alegre, 1995, p. 198-204.
Martins, C.A.P.S.; Ruschioni, R.A.; FARIA, R.R.A.; Zuffo,
J.A. "Reconstrutor Sinc Finito Amostrado Normalizado
Unidimensional", In: III Brazilian Computer Music
Symposium, XVI Brazilian Computer Society Conference,
Recife, 1996. Recife, 1996. p. 27-32.
FARIA, R. R. A. "Wavelets: teoria e aplicações".
Tutorial. Polytechnic School, University of São Paulo
FARIA, R. R. A. "Inteligência artificial e música".
Monograph for the discipline Introduction to Artificial
Intelligence (PEE817). Polytechnic School, University of São Paulo (1993).
AES Brazil 6th Conference / 12th National Convention.
“Sound scene orientation: interactive edition of the
surround space”. Panel “The Surround Convergence I”. São
Paulo, Brazil (May 2008).
Transitus Morumbi. Arquitetura, Artes Design e Moda.
Round Table Design Digital in iTVD. “Design digital para
TVDi: Conceitos e Perspectivas”. University Anhembi
Morumbi, São Paulo, Brazil (08/11/2007).
SET 2007. Television Technology. Panel: Digital TV /
Digital Audio: Compression MPEG-4 AAC and ISDB-Tb –
Questions & Answers. “Transmitting audio in the
Brazilian Digital TV System”. São Paulo, Brazil
AES 122nd Convention. Workshop 5: Interactive Audio and
Human Perception. “Auralization practices in the CAVE”.
Vienna, Austria (May 2007).
AES Brazil 5th Conference / 11th National Convention.
“Immersive and personalizable audio: new trends to
interact with audio”. São Paulo, Brazil (21st May 2007).
XVII SEMAC – Computer Week of the University of São
Paulo State (UNESP) – SEMAC 2007. Panel: The future of
the computer professionals in the new information era.
“New trends in the Digital TV System”. São José do Rio
Preto, Brazil (May 2007).
SET 2006 – Panel: Production – Digital Audio. “Audio in
Digital TV: Special Topics on Coding, Quality, Formats,
Reproduction and Services”. São Paulo, Brazil (August
2006). (invited speaker).
II SMCT – Second Symposium on Music, Science and
Technology – Sound Virtual Reality. “Architecture for
Spatial Audio Production for Advanced Multimedia”.
Campinas, Brazil (October 2005).
SET 2005 – Panel: Production – Digital Audio.
“Multichannel Audio – Techniques, Coverage and
Perspectives in the Context of the Brazilian Digital TV
System”. São Paulo, Brazil (September 2005). (invited
SET 2003 – Tutorial: Codificação Multimídia – Padrões
Abertos. “Codificação Multimídia – Tecnologias e
Projetos”. Rio de Janeiro, Brazil (September 2003)