The ornamental design for a digitalaudioplayer, as shown and described.
1. Digital audio player
1.1 : Front Perspective
1.2 : Back Perspective
1.3 : Front
1.4 : Back
1.5 : Left
1.6 : Right
1.7 : Top
1.8 : Bottom
1.9 : Exploded Front Perspective
1.10 : Exploded Back Perspective
1.11 : Partial Enlarged Front Perspective
The broken line arrow in reproduction 1.9 is included for the purpose of describing the relationship between portions of the digital audio player and forms no part of the claimed design. The dot-dash broken line circle in reproduction 1.11 is included for the purpose of illustrating the partial enlarged view and forms no part of the claimed design.