Synthesizer multi-bus component

• US 7,089,068 B2
• Filed: 03/07/2001
• Issued: 08/08/2006
• Est. Priority Date: 03/07/2001
• Status: Expired due to Fees

• Current Assignee: Microsoft Technology Licensing LLC (Microsoft Corporation)
• Original Assignee: Microsoft Corporation
• Inventors: Schmidt, Brian L., Geist, James F. Jr., Fay, Todor J.
• Primary Examiner(s): Tran, Sinh
• Assistant Examiner(s): Flanders, Andrew C.
• Application Number:
  US09/802,111
• Publication Number:
  US 20020128737A1
• Time in Patent Office: 1,980 Days
• Field of Search: 846/45, 846/00, 846/01, 846/02, 700/94, 710/100, 710/101, 710/123, 710/112
• US Class Current: 700/94
• CPC Class Codes: G10H 1/0066 using a MIDI interface
• CPC Class Codes: G10H 1/186 Microprocessor-controlled keyboard and assigning means

Abstract

An audio generation system produces streams of audio wave data and routes the audio wave data to audio buffers via logic buses that correspond respectively to the audio buffers. A logic bus, or buses, are assigned to an audio wave data source. Additionally, a logic bus corresponds to an audio buffer. Thus, any streams of audio wave data generated by the audio wave data source are routed to the audio buffer corresponding to the logic bus. A logic bus can receive streams of audio wave data from multiple sources, and route the multiple audio wave data streams to an audio buffer. Additionally, an audio buffer can receive streams of audio wave data from multiple logic buses.

Claims

1. A method, comprising:

receiving a synthesizer MIDI instruction to generate multiple streams of audio wave data with a synthesizer software component;

receiving requests from audio data buffers to route the multiple streams of audio wave data from the synthesizer software component to the audio data buffers;

dynamically generating a plurality of logical buses instantiated as software components, the logical buses each corresponding to an audio data buffer;

assigning at least one audio wave data stream to a plurality of the logical buses;

routing any audio wave data stream assigned to a particular logical bus to the audio data buffer corresponding to said particular logical bus; and

dynamically releasing at least one of the logical buses when no longer needed to route a stream of audio wave data.

2. A method as recited in claim 1, wherein a plurality of audio wave data streams are assigned to at least one of the logical buses.

3. A method as recited in claim 1, wherein each logical bus corresponds to a single audio data buffer.

4. A method as recited in claim 1, wherein at least two of the logical buses correspond to the same audio data buffer.

5. A method as recited in claim 1, wherein the audio data buffer performs an action of buffering audio wave data prior to outputting the audio wave data.

6. A method as recited in claim 1, wherein the audio data buffer performs an action of effects-processing the audio wave data prior to outputting the audio wave data.

7. A method as recited in claim 1, wherein said assigning comprises creating a data structure and correlating the logical buses with corresponding audio data buffers.

8. A method as recited in claim 1, wherein said assigning comprises creating a data structure and correlating the logical buses with corresponding audio data buffers, and wherein said routing comprises referring to the data structure.

9. A method as recited in claim 1, wherein said generating comprises instantiating a programming object to receive the multiple streams of audio wave data.

10. A method as recited in claim 1, wherein said dynamically generating comprises instantiating a programming object to receive the multiple streams of audio wave data, and wherein said routing comprises calling an interface of the programming object.

11. One or more computer-readable media comprising computer-executable instructions that, when executed, direct a computing system to perform the method of claim 1.

12. An audio generation system implemented in a computing device, the audio generation system comprising:

a plurality of audio wave data sources from which streams of audio wave data are generated by a synthesizer software component;

a plurality of audio wave data consumers configured to receive one or more of the streams of audio wave data;

a software component configured to;

dynamically generate logical buses instantiated as software components to route the streams of audio wave data to corresponding audio wave data consumers;

release at least one of the logical buses when no longer needed to route a steam of audio wave data to a corresponding audio wave data consumer; and

receive one or more of the streams of audio wave data at each of the generated logical buses, and route any audio wave data that is received at a particular logical bus to an audio wave data consumer corresponding to said particular logical bus.

13. An audio generation system as recited in claim 12, wherein each logical bus corresponds to a single audio wave data consumer.

14. An audio generation system as recited in claim 12, wherein at least two of the logical buses correspond to the same audio wave data consumer.

15. An audio generation system as recited in claim 12, wherein a plurality of audio wave data streams are assigned to at least one of the logical buses.

16. An audio generation system as recited in claim 12, wherein an audio wave data consumer is a data buffer that buffers one or more of the streams of audio wave data.

17. An audio generation system as recited in claim 12, wherein an audio wave data consumer effects-processes one or more of the streams of audio wave data.

18. An audio generation system as recited in claim 12, wherein an audio wave data consumer is a data buffer that buffers one or more of the streams of audio wave data and effects-processes the buffered audio wave data.

19. An audio generation system as recited in claim 12, wherein the audio wave data sources are software components.

20. An audio generation system as recited in claim 12, wherein the audio wave data sources are programming objects having interfaces that are callable by a programmed application to generate the streams of audio wave data.

21. An audio generation system as recited in claim 12, wherein the streams of audio wave data are generated by at least an additional synthesizer software component.

22. An audio generation system as recited in claim 12, wherein a plurality of synthesizer software components generate the streams of audio wave data, wherein at least one of the synthesizer software components generates a plurality of outputs, and wherein respective ones of the outputs are provided to different respective logical buses.

23. An audio generation system, comprising:

a synthesizer software component configured to generate multiple streams of audio wave data in response to receiving one or more synthesizer MIDI instructions;

a plurality of audio data buffers configured to receive the multiple streams of audio wave data;

a software component configured to dynamically generate a plurality of logical buses instantiated as software components to route the multiple streams of audio wave data, an individual logical bus configured to correspond to an audio data buffer, receive one or more of the streams of audio wave data, and route the one or more streams of audio wave data to the audio data buffer; and

wherein the synthesizer software component is further configured to route at least one of the streams of audio wave data to different ones of the logical buses.

24. An audio generation system as recited in claim 23, wherein a second logical bus is configured to correspond to the audio data buffer, receive one or more additional streams of audio wave data, and route the one or more additional streams of audio wave data to the audio data buffer.

25. An audio generation system as recited in claim 23, wherein the synthesizer software component has a channel that generates a stream of audio wave data and that is configurable to route the stream of audio wave data to the individual logical bus and is further configured to dynamically release at least one of the logical buses when no longer needed.

26. An audio generation system as recited in claim 23, wherein the synthesizer software component has a channel that generates a stream of audio wave data and that is configurable to route the stream of audio wave data to a plurality of the logical buses, and wherein the logical buses receive the stream of audio wave data and route the stream of audio wave data to a plurality of corresponding audio data buffers.

27. An audio generation system as recited in claim 23, wherein the synthesizer software component has a plurality of channels that each generate a stream of audio wave data and that are configurable to route at least one of the streams of audio wave data to a plurality of the logical buses, and wherein the logical buses receive the streams of audio wave data and route the streams of audio wave data to a plurality of corresponding audio data buffers.

28. An audio generation system as recited in claim 23, further comprising a second synthesizer software component configured to generate additional streams of audio wave data, and wherein the individual logical bus is configured to receive one or more of the additional steams of audio wave data and route the additional streams of audio wave data to the audio data buffer.

29. An audio generation system as recited in claim 23, further comprising a second synthesizer software component configured to generate additional streams of audio wave data, and wherein a second logical bus is configured to correspond to the audio data buffer, receive one or more of the additional streams of audio wave data, and route the additional streams of audio wave data to the audio data buffer.

30. An audio generation system as recited in claim 23, further comprising a data structure to correlate which of the logical buses correspond to an audio data buffer.

31. An audio generation system as recited in claim 23, further comprising a data structure to correlate which of the logical buses correspond to an audio data buffer, wherein the audio data buffer receives streams of audio wave data from the corresponding logical buses.

32. A computer-based audio generation system, comprising:

a plurality of logical bus objects instantiated as software components configured to receive audio wave data, wherein each logical bus object corresponds to an audio data buffer, wherein each logical bus object is dynamically generated to route the audio wave data to a corresponding audio data buffer, and wherein at least one of the logical bus objects can be dynamically released when no longer needed to route a stream of audio wave data;

a data structure that correlates each logical bus object according to a function of an audio data buffer that corresponds to a logical bus object; and

wherein one or more streams of audio wave data are assigned to a logical bus object based on the function of an audio data buffer that corresponds to the logical bus object.

33. A computer-based audio generation system as recited in claim 32, wherein a logical bus object receives one or more of the assigned audio wave data streams and routes the audio wave data streams to the corresponding audio data buffer.

34. A computer-based audio generation system as recited in claim 32, further comprising a synthesizer that generates a plurality of streams of audio wave data, wherein at least one of the streams of audio wave data is provided to different respective logical buses.

35. A computer-based audio generation system as recited in claim 32, further comprising a synthesizer that generates the one or more streams of audio wave data in response to a MIDI instruction.

36. A computer-based audio generation system as recited in claim 32, further comprising an audio wave data generation object configured to receive audio content and an instruction to generate the one or more streams of audio wave data.

37. A computer-based audio generation system as recited in claim 32, wherein each logical bus object corresponds to a single audio data buffer.

38. A computer-based audio generation system as recited in claim 32, wherein at least two of the logical bus objects correspond to the same audio data buffer.

39. A computer-based audio generation system as recited in claim 32, wherein a plurality of audio wave data streams are assigned to at least one of the logical bus objects.

40. A data structure for an audio processing system implemented in a computing device, comprising:

a bus identifier parameter to uniquely identify a logical bus that is dynamically instantiated as a software component, and that corresponds to an audio data buffer;

a function identifier parameter to identify an effects-processing function of the audio data buffer;

a programming reference to identify the audio data buffer; and

wherein at least one stream of audio wave data is routed to a plurality of different logical buses, the bus identifier parameter being defined according to the function identifier parameter of the corresponding audio data buffer.

41. A method, comprising:

generating one or more streams of audio wave data with an audio wave data generation software component when receiving audio content and a MIDI instruction;

providing an audio data buffer configured to receive the one or more streams of audio wave data;

dynamically generating logical bus components instantiated as software components configured to route the one or more streams of audio wave data to the audio data buffer; and

dynamically releasing at least one of the logical bus components when no longer needed to route a stream of audio wave data.

42. A method as recited in claim 41, wherein the audio wave data generation software component is a synthesizer.

43. A method as recited in claim 41, wherein the audio data buffer performs an action of buffering audio wave data.

44. A method as recited in claim 41, wherein the audio data buffer performs an action of effects-processing the audio wave data.

45. A method as recited in claim 41, further comprising assigning a given one of the streams of audio wave data to a plurality of different logical bus components.

46. A method as recited in claim 41, further comprising assigning one or more of the streams of audio wave data to the logical bus component.

47. One or more computer-readable media comprising computer-executable instructions that, when executed, direct a computing system to perform the method of claim 41.

48. A method, comprising:

receiving a synthesizer MIDI instruction to generate multiple streams of audio wave data with a synthesizer software component;

dynamically generating logical buses instantiated as software components, the logical buses each corresponding to an audio data buffer;

creating a data structure and designating which of the logical buses correspond to respective audio data buffers;

assigning at least one of the multiple streams of audio wave data to a plurality of the logical buses;

routing an audio wave data stream assigned to a particular logical bus to the audio data buffer corresponding to said particular logical bus; and

dynamically releasing at least one of the logical buses when no longer needed to route the audio wave data stream to the audio data buffer.

49. A method as recited in claim 48, wherein a plurality of audio wave data streams are assigned to at least one of the logical buses.

50. A method as recited in claim 48, wherein each logical bus corresponds to a single audio data buffer.

51. A method as recited in claim 48, wherein at least two of the logical buses correspond to the same audio data buffer.

52. One or more computer-readable media comprising computer-executable instructions that, when executed, direct a computing system to perform the method of claim 48.