1. Compelling audio and video
for Metro style games
Larry Nung

2. 01. Chapter dividing page
Title title title title
Audio

3. This document is the intellectual property of Acer Inc, and was created for demonstration purposes only. It may not be modified, organized or re-utilized in any way without the express written permission of the rightful owner.

4. This document is the intellectual property of Acer Inc, and was created for demonstration purposes only. It may not be modified, organized or re-utilized in any way without the express written permission of the rightful owner.

5. This document is the intellectual property of Acer Inc, and was created for demonstration purposes only. It may not be modified, organized or re-utilized in any way without the express written permission of the rightful owner.

6. This document is the intellectual property of Acer Inc, and was created for demonstration purposes only. It may not be modified, organized or re-utilized in any way without the express written permission of the rightful owner.

7. This document is the intellectual property of Acer Inc, and was created for demonstration purposes only. It may not be modified, organized or re-utilized in any way without the express written permission of the rightful owner.

8. This document is the intellectual property of Acer Inc, and was created for demonstration purposes only. It may not be modified, organized or re-utilized in any way without the express written permission of the rightful owner.
Media Foundation
Playback/Pre
view
Playback/Pre
view
Audio/Video
Source
Audio/Video
Source
Video
Decoder
Video
Decoder
Video
Effect 1
Video
Effect 1
Video
Encoder
Video
Encoder
Video
Effect 2
Video
Effect 2
Audio/Video
Sink
Audio/Video
Sink
Audio
Decoder
Audio
Decoder
Audio
Effect 1
Audio
Effect 1
Audio
Encoder
Audio
Encoder
Audio
Effect 2
Audio
Effect 2
Windows Runtime (WinRT)Windows Runtime (WinRT)
CaptureCapture StreamingStreamingTranscod
e
Transcod
e
Extensibil
ity
Extensibil
ity
MediaCont
rol
MediaCont
rol
Protectio
n
Protectio
n
Windows Audio Session API (WASAPI)Direct3D

9. This document is the intellectual property of Acer Inc, and was created for demonstration purposes only. It may not be modified, organized or re-utilized in any way without the express written permission of the rightful owner.
Media Foundation
Playback/Pre
view
Playback/Pre
view
Audio/Video
Source
Audio/Video
Source
Video
Decoder
Video
Decoder
Audio/Video
Sink
Audio/Video
Sink
Audio
Decoder
Audio
Decoder
StreamingStreamingTransco
de
Transco
de
Direct3D

10. This document is the intellectual property of Acer Inc, and was created for demonstration purposes only. It may not be modified, organized or re-utilized in any way without the express written permission of the rightful owner.

11. This document is the intellectual property of Acer Inc, and was created for demonstration purposes only. It may not be modified, organized or re-utilized in any way without the express written permission of the rightful owner.

12. This document is the intellectual property of Acer Inc, and was created for demonstration purposes only. It may not be modified, organized or re-utilized in any way without the express written permission of the rightful owner.
Format Compression
Ratio
Recommended API Concurrent voices
PCM ~1:1 XAudio2 100s
ADPCM ~1:4 XAudio2 100s
WMA ~1:12 Media Foundation 1s - 10s
MP3 ~1:12 Media Foundation 1s - 10s
AAC ~1:12 Media Foundation 1s - 10s

13. This document is the intellectual property of Acer Inc, and was created for demonstration purposes only. It may not be modified, organized or re-utilized in any way without the express written permission of the rightful owner.

14. This document is the intellectual property of Acer Inc, and was created for demonstration purposes only. It may not be modified, organized or re-utilized in any way without the express written permission of the rightful owner.

15. This document is the intellectual property of Acer Inc, and was created for demonstration purposes only. It may not be modified, organized or re-utilized in any way without the express written permission of the rightful owner.

16. 01. Chapter dividing page
Title title title title
Video

20. Thank you