1 Challenges for Radio in the Digital Era: Diversity, Innovation and Policies / Manuel Fernández-Sande and J. Ignacio Gallego
I. DIVERSITY
2 Community Radio as a Social Learning Instrument for Social Empowerment and Community Building: An Analysis of Youth Participation in the Spanish Third Media Sector / Isabel Lema-Blanco
3 University Radios: Models in Circulation in the North-east of Brazil / Paulo Fernando de Carvalho Lopes and Roberto de Araújo Sousa
4 The Beginning of College Radio in Spain: "Radio UNED" Case Study / Carmen Marta-Lazo and Patricia González-Aldea
5 Radio Studies in Spain: Authorship and Thematic Trends in Communication Journals (1980-2013) / Teresa Piñeiro-Otero
6 Personality Versus Voice: The Perception of the Radio Programme Manhãs da Comercial among a Segment of Portuguese University Students / Rita Curvelo
II. INNOVATION
7 Playing Samba on the Web: How the Urban Samba from Rio de Janeiro is being Represented in the Expanded Musical Radio / Lena Benzecry
8 Radio Reportage in Poland After the Political Transformation of the Country / Monika Bialek
9 Radio Waves for Freedom: The Use of Radio as an Educational Intervention in Spanish Prisons / Paloma Contreras-Pulido and Daniel Martín-Pena
10 Social Media in University Radio: Development in its Use and Follow-up on its Platforms / Lucia Casajús and Daniel Martín-Pena
11 It's on Your Head, It's in Your Head: The Artistic Exploration of Radio as Material Reflections on Post-digital Practice / Magz Hall
12 Osvaldo Moles, the "Radio Father" of Adoniran Barbosa / Bruno Domingues Micheletti
13 Radio-Theatre or Film: Film as a Category of Radio Drama / Joanna Bachura-Wojtasik
14 Business Model and Content Innovation in the Spanish Generalist Radio Channels / María del Pilar Martínez-Costa, Elsa Moreno and Avelino Amoedo
15 Radio Broadcasting and Digital Innovation in Argentina and Spain: A Comparative Analysis / María José Müller and María Pilar Martínez-Costa
16 Improving Radio Advertising through Sound Design / Emma Rodero, Lluís Mas, Olatz Larrea, Marina Vázquez and María Blanco
III. POLICIES
17 The Second Century of Wireless: Radio and the Spectrum Challenge of Mobile Communication in the Digital Era / Marko Ala-Fossi
18 Radio in Brazil: The Size of the Medium and the Current Stage of Research / Antonio Adami
19 Piracy, mp3 and Music Subscription Systems: New Relationships between the Artist and the Market / José Eduardo Ribeiro de Paiva
20 Reflections about Benjamin's "Reflections on Radio" / Nivaldo Ferraz
21 Semantics of Sound: Selected Problems / Kinga Klimczak
22 The Radio in Spain: The Challenge of the Digital Coexistence Facing the Old Structures and Business Models / Xosé Soengas Pérez and Miguel Ángel Ortiz Sobrino
EPILOGUE
Acoustemology: The Status of Sound and Research Methods in Sonic Studies / Madalena Oliveira