Real-Time Dual-Band Haptic Music Player for Mobile Devices

被引:27
作者
Hwang, Inwook [1 ]
Lee, Hyeseon [2 ]
Choi, Seungmoon [1 ]
机构
[1] POSTECH, Dept Comp Sci & Engn, Hapt & Virtual Real Lab, Pohang 790784, Gyungsangbuk Do, South Korea
[2] POSTECH, Dept Ind & Management Engn, Pohang 790784, Gyungsangbuk Do, South Korea
关键词
Haptic I/O; vibration; music; real time; dual band; dual-mode actuator; TRANSCRIPTION; FRAMEWORK; SYSTEM; AUDIO; MODEL;
D O I
10.1109/TOH.2013.7
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
We introduce a novel dual-band haptic music player for real-time simultaneous vibrotactile playback with music in mobile devices. Our haptic music player features a new miniature dual-mode actuator that can produce vibrations consisting of two principal frequencies and a real-time vibration generation algorithm that can extract vibration commands from a music file for dual-band playback (bass and treble). The algorithm uses a "haptic equalizer" and provides plausible sound-to-touch modality conversion based on human perceptual data. In addition, we present a user study carried out to evaluate the subjective performance (precision, harmony, fun, and preference) of the haptic music player, in comparison with the current practice of bass-band-only vibrotactile playback via a single-frequency voice-coil actuator. The evaluation results indicated that the new dual-band playback outperforms the bass-only rendering, also providing several insights for further improvements. The developed system and experimental findings have implications for improving the multimedia experience with mobile devices.
引用
收藏
页码:340 / 351
页数:12
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