Ambidio: Sound Stage Width Extension for Internal Laptop Loudspeakers

Wu TY, Roginska A, Glasgal R. Ambidio: Sound Stage Width Extension for Internal Laptop Loudspeakers. In: AES Convention 136. Audio Engineering Society; 2014. Paper 9077. Available from: https://aes.org/publications/elibrary-page/?id=17224

@inproceedings{Wu2014_17224,
  author = {Wu, Tsai-Yi and Roginska, Agnieszka and Glasgal, Ralph},
  title = {{Ambidio: Sound Stage Width Extension for Internal Laptop Loudspeakers}},
  booktitle = {AES Convention 136},
  note = {Paper 9077},
  year = {2014},
  month = apr,
  publisher = {Audio Engineering Society},
  url = {https://aes.org/publications/elibrary-page/?id=17224}
}

TY  - CPAPER
TI  - Ambidio: Sound Stage Width Extension for Internal Laptop Loudspeakers
AU  - Wu, Tsai-Yi
AU  - Roginska, Agnieszka
AU  - Glasgal, Ralph
T2  - AES Convention 136
M1  - Paper 9077
PY  - 2014
DA  - 2014/04/06
UR  - https://aes.org/publications/elibrary-page/?id=17224
PB  - Audio Engineering Society
LA  - en
AB  - This paper introduces a sound stage width extension method for internal loudspeakers. Ambidio is a real-time application that enhances a stereo sound file playing on a laptop in order to provide a more immersive experience over built-in laptop loudspeakers. The method, based on Ambiophonics principles, is relatively robust to a listener's head position and requires no measured/synthesized HRTFs. The key novelty of the approach is the pre/post-processing algorithm that dynamically tracks the image spread and modifies it to fit the hardware setting in real-time. Two detailed evaluations are provided to assess the robustness of the proposed method. Experimental results show that the average perceived stage width of Ambidio is 176° using internal speakers, while keeping a relatively flat frequency response and a higher user preference rating.
ER  -