Perceptual Evaluation of a Mix Presentation for Immersive Audio with IAMF

Ocampo CT, Hirvonen T, Blanes ES, Namazi M, Skoglund J. Perceptual Evaluation of a Mix Presentation for Immersive Audio with IAMF. In: Convention Paper. Audio Engineering Society; 2025. Paper 10213. Available from: https://aes.org/publications/elibrary-page/?id=22849

@inproceedings{Ocampo2025_22849,
  author = {Ocampo, Carlos Tejeda and Hirvonen, Toni and Blanes, Ema Souza and Namazi, Mahmoud and Skoglund, Jan},
  title = {{Perceptual Evaluation of a Mix Presentation for Immersive Audio with IAMF}},
  note = {Paper 10213},
  year = {2025},
  month = may,
  publisher = {Audio Engineering Society},
  url = {https://aes.org/publications/elibrary-page/?id=22849}
}

TY  - CPAPER
TI  - Perceptual Evaluation of a Mix Presentation for Immersive Audio with IAMF
AU  - Ocampo, Carlos Tejeda
AU  - Hirvonen, Toni
AU  - Blanes, Ema Souza
AU  - Namazi, Mahmoud
AU  - Skoglund, Jan
M1  - Paper 10213
PY  - 2025
DA  - 2025/05/12
UR  - https://aes.org/publications/elibrary-page/?id=22849
PB  - Audio Engineering Society
LA  - en
AB  - Immersive audio mix presentations involve transmitting and rendering several audio elements simultaneously. This enables next-generation applications, such as personalized playback. Using immersive loudspeaker and headphone MUSHRA tests, we investigate rate vs. quality for a typical mix presentation use case of a foreground stereo element, plus a background Ambisonics scene. For coding, we use Immersive Audio Model and Formats, a recently proposed system for Next-Generation Audio. Excellent quality is achieved at 384 kbit/s, even with reasonable amount of personalization. We also propose a framework for content-aware analysis that can significantly reduce the bitrate even when using underlying legacy audio coding instances.
ER  -