out.xml.">

Presentation is loading. Please wait.

Presentation is loading. Please wait.

C:\>type *.uccplog | find /i "jitter" > out.xml.

Similar presentations


Presentation on theme: "C:\>type *.uccplog | find /i "jitter" > out.xml."— Presentation transcript:

1

2

3

4

5

6 C:\>type *.uccplog | find /i "jitter" > out.xml

7

8

9

10

11

12

13

14

15 Integrated HD Audio Class Driver Dynamic Stream Management System Communication Default Device Bluetooth Audio Class Driver USB Audio class driver Wave APIDsound API/Dshow API Media Foundation API Application asks for preferred communication device Rank 3Rank 2 Rank 1

16 Integrated HD Audio Class Driver Dynamic Stream Management System Communication Default Device Bluetooth Audio Class Driver USB Audio class driver Wave APIDsound API/Dshow API Media Foundation API User connects/turns on a (wireless) Headset Rank 3Rank 2 Rank 1

17 Integrated HD Audio Class Driver Dynamic Stream Management System Communication Default Device Bluetooth Audio Class Driver USB Audio class driver Wave APIDsound API/Dshow API Media Foundation API User connects USB Handset Rank 3Rank 2 Rank 1

18 Integrated HD Audio Class Driver Dynamic Stream Management System Default Device Bluetooth Audio Class Driver Integrated HD Audio Class Driver Wave APIDsound API/Dshow API Media Foundation API Rank 3Rank 2 Rank 1

19 Integrated HD Audio Class Driver Dynamic Stream Management System Default Device Bluetooth Audio Class Driver Integrated HD Audio Class Driver Wave APIDsound API/Dshow API Media Foundation API Rank 3Rank 2 Rank 1 User connects HDMI TV

20

21

22

23

24 WHQL Audio Fidelity Testing TIA-920 Acoustical Testing Uses Audio Precision Test Set Uses Listen Soundcheck system or equivalent No other test equipment required Requires Head and Torso Simulator and/or artificial ear and artificial mouth Automated test management, no expertise required to run tests Significant expertise and training needed to get repeatable results No special acoustical environment required Quiet non-reverberant acoustical environment required

25

26

27

28 HATS with handset positioner. HATS manikin.

29 Notebook computer with simulated mouth and ear

30 Send (microphone) Frequency Response Receive (speaker/earphone) Frequency Response Red traces are Standard performance limits. Green trace is measured performance

31

32

33

34

35

36

37

38 Equipment List Audio Technica AT-8035 Audio Technica AT-875R Rode NTG-1 Centrance MicPort Pro MXL MicMate USB AVANTONE Active MixCube

39

40

41

42

43

44

45 © 2008 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.


Download ppt "C:\>type *.uccplog | find /i "jitter" > out.xml."

Similar presentations


Ads by Google