Implementação em FPGA de módulo de efeito de reverberação
Reverberation is caused by the reflection of the sound in adjacent surfaces close to the sound source during its propagation to the listener. The impulsive response of an environment represents its reverberation characteristics. Being dependent on the environment, reverberation takes to the liste...
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| Formato: | Dissertação |
| Idioma: | por |
| Publicado em: |
Universidade Federal do Rio Grande do Norte
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| Endereço do item: | https://repositorio.ufrn.br/jspui/handle/123456789/19473 |
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| Resumo: | Reverberation is caused by the reflection of the sound in adjacent surfaces close to the sound
source during its propagation to the listener. The impulsive response of an environment represents
its reverberation characteristics. Being dependent on the environment, reverberation takes
to the listener characteristics of the space where the sound is originated and its absence does
not commonly sounds like “natural”. When recording sounds, it is not always possible to have
the desirable characteristics of reverberation of an environment, therefore methods for artificial
reverberation have been developed, always seeking a more efficient implementations and more
faithful to the real environments. This work presents an implementation in FPGAs (Field Programmable
Gate Arrays ) of a classic digital reverberation audio structure, based on a proposal
of Manfred Schroeder, using sets of all-pass and comb filters. The developed system exploits
the use of reconfigurable hardware as a platform development and implementation of digital
audio effects, focusing on the modularity and reuse characteristics |
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