QoS impact on user perception and understanding of multimedia video clips
MULTIMEDIA '98 Proceedings of the sixth ACM international conference on Multimedia
Sharp or smooth?: comparing the effects of quantization vs. frame rate for streamed video
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Compensating for low frame rates
CHI '05 Extended Abstracts on Human Factors in Computing Systems
Can small be beautiful?: assessing image resolution requirements for mobile TV
Proceedings of the 13th annual ACM international conference on Multimedia
The Cell Phone: An Anthropology of Communication
The Cell Phone: An Anthropology of Communication
How low can you go? The effect of low resolutions on shot types in mobile TV
Multimedia Tools and Applications
Where there's a will there's a way: mobile media sharing in urban india
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Deliberate interactions: characterizing technology use in Nairobi, Kenya
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Saving bitrate vs. pleasing users: where is the break-even point in mobile video quality?
MM '11 Proceedings of the 19th ACM international conference on Multimedia
Proceedings of the 6th Latin America Networking Conference
Anthropology, development and ICTs: slums, youth and the mobile internet in urban India
Proceedings of the Fifth International Conference on Information and Communication Technologies and Development
Understanding negotiation in airtime sharing in low-income microenterprises
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
You're capped: understanding the effects of bandwidth caps on broadband use in the home
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Mobiles, music, and materiality
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
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In developing countries, many would-be mobile internet users perceive downloadable video content as too expensive. Aggressively degrading this video could reduce its file size and therefore its cost. The studies presented here explore extreme cases of this quality/cost trade-off for mobile phone users in urban India. A series of online studies tested the effects of manipulating a video's content, bit rate, frame rate, and audio quality on quality ratings and enjoyment. Results show that video quality and thus file size can be greatly reduced with relatively little decrease in these outcomes. A field experiment with low-income users in urban India explored consumers' choices when presented with a trade-off between video quantity and quality and found that nearly one-third selected a lower quality video for the benefit of more video content. Results suggest that offering lower-quality videos to bandwidth-constrained users could provide monetary savings with only minimal reduction in consumer satisfaction.