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Musicster: A Location-Aware Music Player

Musicster: A Location-Aware Music Player. David Zhao Kevin West. Project Review. What does it do? Plays different music at different locations Adjust the speed of the music so it ends when you reach your destination. What is it good for? Listen to music between classes

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Musicster: A Location-Aware Music Player

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  1. Musicster: A Location-Aware Music Player David Zhao Kevin West

  2. Project Review • What does it do? • Plays different music at different locations • Adjust the speed of the music so it ends when you reach your destination. • What is it good for? • Listen to music between classes • Automatically switch the type of music • Who will care? • Students walking between classes • People want a smart music player

  3. Related Work • Other location-aware applications • Location-Aware To-Do List • Location-Aware Reminder

  4. Demonstration • What will the demo be like? • Show the two different aspects of the project • Selection of playlist based on location (building accuracy) • Alter the speed of music according to velocity of movement • Simulate user moving with Placelab log file • Original Scenario: • Aimed for room-accuracy.

  5. Implementation - Components • Placelab • Gives us coordinates of current location • PocketPlayer • Music player core that decodes and provides basic UI • Plugin architecture to allow DSP/Control modifications

  6. Implementation

  7. Implementation • What is done? • Placelab Analyzer • Playlist selection • Speed adjustment by pitch shift • What is not done? • Frequency independent speed adjustment • Database for locations • UI for creating location entries

  8. Implementation • What issues remain? • Accuracy of Placelab: velocity estimates jump a lot • Better integration of components

  9. Pictures

  10. Evaluation • Criteria: • How accurate is the velocity and location detection • Is there audible difference when the music is sped up? • Will people find this to be useful?

  11. Future Work • Make a nice UI for controlling the system • Using accelerometer or other sensors to detect velocity more accurately • Using other sensors to control music playback

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