1460710458-bb0593d3-055a-4b2a-9084-a2f4409f392b

1. A computer program product, which when loaded in a computer system, causes the computer system to perform the steps of:
identifying a source waveform;
identifying at least one optimization parameter, wherein said optimization parameter is configured to adjust audio input to a speech recognition application;
applying an optimization algorithm executed by a signal editor, said optimization algorithm being preconfigured to modify said source waveform according to said optimization parameters resulting in a modified waveform;
synchronizing said optimization algorithm and at least one optimization parameter with said source waveform;
displaying a graph for said at least one optimization parameter while also displaying at lest one of said source waveform and said modified waveform;
displaying said at least one optimization parameter and at least a portion of said optimization algorithm with time annotations for synchronizing the algorithm and at least one optimization parameter with the waveforms, wherein displaying synchronously said graph of said at least one optimization parameter with at least one of said source waveform and said modified waveform reveals an optimizing value of the at least one optimization parameter; and
setting at least one adjustable input parameter of an audio input device based upon the optimization value for enhancing the speech recognition capabilities of a speech recognition application, wherein said audio input device is configured to receive audio input for a speech recognition application.
2. The computer program product of claim 1, wherein said displaying step occurs within a graphical user interface, said computer program product further causing the computer system to perform the step of:
adjusting the time span of at least one of said time dependant graphs responsive to an input from a user of said graphical user interface.
3. The computer program product of claim 1, said computer program product further causing the computer system to perform the step of:
altering said optimization parameter responsive to said displaying step.
4. The computer program product of claim 3, wherein said altering step further comprises the step of:
modifying said source waveform according to said altered optimization parameter resulting in a new modified waveform.
5. The computer program product of claim 1, said computer program product further causing the computer system to perform the steps of:
identifying a model waveform;
calculating a difference between said modified waveform and said model waveform; and,
determining at least one parameter which is responsible for at least part of said difference.
6. The computer program product of claim 1, wherein said modifying step further comprises the step of:
generating an ambient waveform, wherein said ambient waveform is the difference between said source waveform minus said modified waveform.
7. The computer program product of claim 1, wherein said algorithm comprises at least one algorithm variable, and wherein said displaying further comprise displaying a graph for said at least one algorithm variable plotted against time.
8. The computer program product of claim 7, said computer program product further causing the computer system to perform the step of:
displaying a debugging window for tracing values of at least one of said algorithm variables through source code execution.
9. The computer program product of claim 8, wherein said debugging window is synchronized with said graphs displayed.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. A light emitting device comprising:
a light emitting element and a first transistor and a second transistor each for controlling current to be supplied to the light emitting element, which are formed in a pixel,
wherein a threshold voltage of the first transistor is lower than a threshold voltage of the second transistor,
wherein a channel length of the first transistor is longer than a channel width thereof,
wherein a channel length of the second transistor is equal to or shorter than a channel width thereof,
wherein gate electrodes of the first transistor and the second transistor are connected to each other,
wherein each polarity of the first transistor and the second transistor is n-type, and
wherein the light emitting element, the first transistor and the second transistor are all connected in series.
2. The light emitting device according to claim 1, wherein a ratio of the channel length to the channel width of the first transistor is equal to or more than 5.
3. A display device having the light emitting device according to claim 1.
4. A digital still camera having the light emitting device according to claim 1.
5. A portable information terminal having the light emitting device according to claim 1.
6. A laptop computer having the light emitting device according to claim 1.
7. A mobile computer according to claim 1, wherein the light emitting device is provided.
8. An image reproducing device having the light emitting device according to claim 1.
9. A goggle type display having the light emitting device according to claim 1.
10. A video camera having the light emitting device according to claim 1.
11. A light emitting device comprising:
a light emitting element and a first transistor and a second transistor each for controlling current to be supplied to the light emitting element, which are formed in a pixel,
wherein the first transistor is normally-on,
wherein the second transistor is normally-off,
wherein a channel length of the first transistor is longer than a channel width thereof,
wherein a channel length of the second transistor is equal to or shorter than a channel width thereof,
wherein gate electrodes of the first transistor and the second transistor are connected to each other,
wherein the first transistor and the second transistor have the same polarity, and
wherein the light emitting element, the first transistor and the second transistor are all connected in series.
12. The light emitting device according to claim 11, wherein a ratio of the channel length to the channel width of the first transistor is equal to or more than 5.
13. A display device having the light emitting device according to claim 11.
14. A digital still camera having the light emitting device according to claim 11.
15. A portable information terminal having the light emitting device according to claim 11.
16. A laptop computer having the light emitting device according to claim 11.
17. A mobile computer according to claim 11, wherein the light emitting device is provided.
18. An image reproducing device having the light emitting device according to claim 11.
19. A goggle type display having the light emitting device according to claim 11.
20. A video camera having the light emitting device according to claim 11.
21. A light emitting device comprising:
a light emitting element and a first transistor and a second transistor each for controlling current to be supplied to the light emitting element and a third transistor for controlling input of a video signal, which are formed in a pixel,
wherein the first transistor is normally-on,
wherein the second transistor is normally-off,
wherein a channel length of the first transistor is longer than a channel width thereof,
wherein a channel length of the second transistor is equal to or shorter than a channel width thereof,
wherein gate electrodes of the first transistor and the second transistor are connected to each other,
wherein the third transistor, the first transistor, and the second transistor are connected so that a video signal which is inputted by turning ON the third transistor is given to gate electrodes of the first transistor and the second transistor,
wherein the first transistor and the second transistor have the same polarity, and
wherein the light emitting element, the first transistor and the second transistor are all connected in series.
22. The light emitting device according to claim 21, wherein a ratio of the channel length to the channel width of the first transistor is equal to or more than 5.
23. A display device having the light emitting device according to claim 21.
24. A digital still camera having the light emitting device according to claim 21.
25. A portable information terminal having the light emitting device according to claim 21.
26. A laptop computer having the light emitting device according to claim 21.
27. A mobile computer according to claim 21, wherein the light emitting device is provided.
28. An image reproducing device having the light emitting device according to claim 21.
29. A goggle type display having the light emitting device according to claim 21.
30. A video camera having the light emitting device according to claim 21.
31. A light emitting device comprising:
a light emitting element and a first transistor and a second transistor each for controlling current to be supplied to the light emitting element and a third transistor for controlling input of a video signal and a fourth transistor for controlling supply of power supply potential, which are formed in a pixel,
wherein the first transistor is normally-on,
wherein the second transistor is normally-off,
wherein a channel length of the first transistor is longer than a channel width thereof,
wherein a channel length of the second transistor is equal to or shorter than a channel width thereof,
wherein gate electrodes of the first transistor and the second transistor are connected to each other,
wherein the third transistor, the first transistor, and the second transistor are connected so that a video signal which is inputted by turning ON the third transistor is given to gate electrodes of the first transistor and the second transistor,
wherein the fourth transistor, the first transistor, and the second transistor are connected so that the power supply potential is given to gate electrodes of the first transistor and the second transistor by turning ON the fourth transistor,
wherein the power supply potential is given to a source of one of the first transistor and the second transistor,
wherein the first transistor and the second transistor have the same polarity, and
wherein the light emitting element, the first transistor and the second transistor are all connected in series.
32. The light emitting device according to claim 31, wherein a ratio of the channel length to the channel width of the first transistor is equal to or more than 5.
33. A display device having the light emitting device according to claim 31.
34. A digital still camera having the light emitting device according to claim 31.
35. A portable information terminal having the light emitting device according to claim 31.
36. A laptop computer having the light emitting device according to claim 31.
37. A mobile computer according to claim 31, wherein the light emitting device is provided.
38. An image reproducing device having the light emitting device according to claim 31.
39. A goggle type display having the light emitting device according to claim 31.
40. A video camera having the light emitting device according to claim 31.
41. A device substrate comprising:
a pixel electrode and a first transistor and a second transistor each for controlling current to be supplied to the pixel electrode, which are formed in a pixel,
wherein a threshold voltage of the first transistor is lower than a threshold of the second transistor,
wherein a channel length of the first transistor is longer than a channel width thereof,
wherein a channel length of the second transistor is equal to or shorter than a channel width thereof,
wherein gate electrodes of the first transistor and the second transistor are connected to each other,
wherein each polarity of the first transistor and the second transistor is n-type, and
wherein the pixel electrode, the first transistor and the second transistor are all connected in series.
42. The device substrate according to claim 41, wherein a ratio of the channel length to the channel width of the first transistor is equal to or more than 5.
43. A device substrate comprising:
a pixel electrode and a first transistor and a second transistor each for controlling current to be supplied to the pixel electrode, which are formed in a pixel,
wherein the first transistor is normally-on,
wherein the second transistor is normally-off,
wherein a channel length of the first transistor is longer than a channel width thereof,
wherein a channel length of the second transistor is equal to or shorter than a channel width thereof,
wherein gate electrodes of the first transistor and the second transistor are connected to each other,
wherein the first transistor and the second transistor have the same polarity, and
wherein the pixel electrode, the first transistor and the second transistor are all connected in series.
44. The device substrate according to claim 43, wherein a ratio of the channel length to the channel width of the first transistor is equal to or more than 5.
45. A method for driving a light emitting device, comprising the step of:
controlling current to be supplied to a light emitting element by a first transistor and a second transistor,
wherein a threshold of the first transistor is lower than a threshold of the second transistor,
wherein a channel length of the first transistor is longer than a channel width thereof,
wherein a channel length of the second transistor is equal to or shorter than a channel width thereof,
wherein gate electrodes of the first transistor and the second transistor are connected to each other,
wherein each polarity of the first transistor and the second transistor is n-type,
wherein the light emitting element, the first transistor and the second transistor are all connected in series, and
wherein the first transistor operates in a saturated region, and the second transistor operates in a linear region.
46. The method for driving the light emitting device according to claim 45, wherein a ratio of the channel length to the channel width of the first transistor is equal to or more than 5.
47. A method for driving a light emitting device, comprising the step of:
controlling current to be supplied to a light emitting element by a first transistor and a second transistor,
wherein the first transistor is normally-on,
the second transistor is normally-off;
wherein a channel length of the first transistor is longer than a channel width thereof,
wherein a channel length of the second transistor is equal to or shorter than a channel width thereof,
wherein gate electrodes of the first transistor and the second transistor are connected to each other,
wherein the first transistor and the second transistor have the same polarity,
wherein the light emitting element, the first transistor and the second transistor are all connected in series, and
wherein the first transistor operates in a saturated region, and the second transistor operates in a linear region.
48. The method for driving the light emitting device according to claim 47, wherein a ratio of the channel length to the channel width of the first transistor is equal to or more than 5.