rethinking production techniques and ......- ambisonics techniques can be used successfully as...
TRANSCRIPT
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RETHINKING PRODUCTION TECHNIQUES
AND AESTHETICS IN BRAZILIAN POPULAR
MUSIC USING HOA
José Ricardo Barboza
Doctoral Program in Digital MediaUniversity of Porto
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WHAT?
- Remix of three Brazilian songs (MPB) using Ambisonics.
- Unique approach for each song depending on the song cultural, narrative and timbral characteristics.
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WHY?
- Possibility of qualifying the reconstruction of sound spaces using Ambisonics techniques.
- Lack of technical and didactic material aimed at musical production using Ambisonics.
- The challenge/possibilities generated by changing the production process.
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SIGNAL FLOW
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SPATIALIZATION / ENCODING
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EFFECTS
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ENTRE TANTAS CANÇÕES
Lyrics/Music: Tatto Ferraz and Bira TrumpetLead vocal: Alana MoraesClassical guitar: Gabriel SelvageDrums: Sandro CartierVibraphone: Zé RicardoTrombone: CharãoBass guitar: Everton RosaArrangement: Gabriel Selvage and Zé Ricardo
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Musical instruments spatial arrangement
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ENTRE TANTAS CANÇÕES
- Sound environment recreation
Lateral early reflections
Back early reflections
Tail
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ENTRE TANTAS CANÇÕES
Sound examples
- Sound environment recreation
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ENTRE TANTAS CANÇÕES
Sound examples
- Musical instruments arrangement related to their physical aspects
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ENTRE TANTAS CANÇÕES
Difficulties
- There wasn’t a common ratio between the reverb controls of each instrument and the sensation of distance.
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CAMINHO
Lyrics / Music: Claudio Olliver and Daniel MãLead vocal: Alana MoraesSpeech: Mario Augusto GomesClassical guitar: Gabriel SelvagePercussion: Marcelo Pimentel and Sandro CartierVocals: Alana Moraes, Gabriel Selvage, Marcelo
Pimentel, Sandro Cartier and Zé RicardoTrombone: CharãoBass guitar: Everton RosaArrangement: Gabriel Selvage, Sandro Cartier and Alana Moraes
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Musical instruments spatial arrangement
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CAMINHO
Sound examples
- Balanced distribution of the instruments in the sound space, avoiding to place in the same space instruments with similar timbre and trying to evidence the musical call and response.
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CAMINHO
Sound examples
- Generate the feeling that the listener is part of the musical ensemble and the instruments are very close.
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CAMINHO
Sound examples
- Spatialization of a big amount of audio elements in order to create sensation of chaos / disorder
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CAMINHO
Difficulties
- Spill between the instruments recorded together
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SERESTA DAS QUATRO ESTAÇÕES
Lyrics: Davi TeixeiraMusic: Matheus AlvesLead voice: Alana MoraesVocals: Alana MoraesBass Guitar: Everton RosaArrangement: Gabriel Selvage
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Musical instruments spatial arrangement
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SERESTA DAS QUATRO ESTAÇÕES
Sound examples
- Movement of the instruments that perform melodies, they seek to reach the position in which the main voice is, reinforcing the musical gesture.
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SERESTA DAS QUATRO ESTAÇÕES
Sound examples
- The movement in the voices creates immediate imbalance in the sound field in specific parts of the music by positioning all the instruments in the same place, then it returns to the original positions restoring the balance.
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SERESTA DAS QUATRO ESTAÇÕES
Sound examples
- The movement creates gradual imbalance in the sound field in specific parts of the music by moving all instruments to the same position in the sound field , the balance is immediately restored with a fast movement to their original position.
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SERESTA DAS QUATRO ESTAÇÕES
Sound examples
- Introduction of a new audio element through its movement in the sound space.
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SERESTA DAS QUATRO ESTAÇÕES
Sound examples
- Movement of elements to create a relationship with the lyrics of the song.
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SERESTA DAS QUATRO ESTAÇÕES
Difficulties
To much time used in experimentation.
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CONCLUSIONS
- The system provides an augmentation for the listening experience.
- Ambisonics techniques can be used successfully as artistic tools to create movement and dynamism.
- The music production process using Ambisonics is enhanced when concepts are defined during pre production.
- Lack of tools for the processing of the Ambisonics signal with sonority and ease of use comparable to the stereophonic processing tools.
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QUESTIONS?
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