VoiceOver is a screen reader built into Apple Inc.'s OS X, iOS and iPod operating systems.

CONTEXTUAL VOICEOVER
Interacting with mobile devices via VoiceOver:usability and accessibility issues
Interacting with mobile devices via VoiceOver: usability and accessibility issues
Not What the Doctor Ordered: A Review of Apple's VoiceOver Screen Reader
Investigating an Accessible and Usable ePub Book via VoiceOver: A Case Study
Investigating an Accessible and Usable ePub Book via VoiceOver: A Case Study
Using Video Modeling with Voiceover Instruction Plus Feedback to Train Staff to Implement Direct Teaching Procedures
Using video modeling with voiceover instruction plus feedback to train implementation of stimulus preference assessments
The Effects of Video Modeling With Voiceover Instruction and On-Screen Text on Parent Implementation of Guided Compliance
Indexical and Linguistic Channels in Speech Perception: Some Effects of Voiceovers on Advertising Outcomes