CONTENT DATA GENERATING DEVICE, CONTENT DATA GENERATING METHOD, SOUND SIGNAL GENERATING DEVICE AND SOUND SIGNAL GENERATING METHOD

• US 20170098439A1
• Filed: 10/05/2016
• Published: 04/06/2017
• Est. Priority Date: 10/06/2015
• Status: Active Grant

• Current Assignee: Yamaha Corporation
• Original Assignee: Yamaha Corporation
• Inventors: KOJIMA, Hiroyuki
• Granted Patent: US 10,083,682 B2
• Time in Patent Office: Days
• CPC Class Codes: G10H 1/183 Channel-assigning means for polyphonic instruments
• CPC Class Codes: G10H 2250/475 FM synthesis, i.e. altering the timbre of simple waveforms by frequency modulating them with frequencies also in the audio range, resulting in different-sounding tones exhibiting more complex waveforms
• CPC Class Codes: G10H 7/006 using two or more algorithms of different types to generate tones, e.g. according to tone color or to processor workload
• CPC Class Codes: G10H 7/008 Means for controlling the transition from one tone waveform to another
• CPC Class Codes: G10H 7/02 in which amplitudes at successive sample points of a tone waveform are stored in one or more memories

Abstract

A content data generating device includes a first storage configured to store content data including at least either video information or audio information, a second storage configured to store variation data representing change of a parameter on the content data, a designator configured to designate a portion of the variation data, and a content data generator configured to process the content data according to a value of the parameter of the portion of the variation data designated by the designator to generate processed content data.

Claims

1. A content data generating device comprising:

a first storage configured to store content data including at least either video information or audio information;

a second storage configured to store variation data representing change of a parameter on the content data;

a designator configured to designate a portion of the variation data; and

a content data generator configured to process the content data according to a value of the parameter of the portion of the variation data designated by the designator to generate processed content data.

2. The content data generating device according to claim 1, wherein the content data is waveform data representing a waveform of a sound signal;

wherein the variation data is a data sequence is constituted by plural segment defining data for defining plural segments respectively when the plural segments are cut out from the waveform data;

wherein the designator designates plural adjacent segment defining data of the plural segment defining data constituting the data sequence; and

wherein the content data generator cuts out the plural segments from the waveform data according to the designated plural segment defining data and cross-fades the plural segments to generate waveform data.

3. The content data generating device according to claim 2, wherein the designator selects the plural adjacent segment defining data from the plural segment defining data constituting the data sequence and repeatedly designates a data sequence constituted by the selected plural segment defining data.

4. The content data generating device according to claim 2, wherein a length of at least one of the plural segments is different from a cycle of a fundamental tone of the content data stored in the first storage.

5. The content data generating device according to claim 2, wherein lengths of the plural segments are decreased or increased along in a time axis of the waveform data gradually.

7. The sound signal generating device according to claim 1, wherein waveform data has been stored in the storage in advance;

and

wherein the storage configured to update the wave form data with waveform data representing the sound signal generated by the sound signal generator.

8. The sound signal generating device according to claim 1, wherein the sound signal generator cuts out the plural segments on the basis of segment defining data that defines the plural segments respectively.

9. The sound signal generating device according to claim 1, wherein a length of at least one of the plural segments is different from a cycle of a fundamental tone of a sound represented by the waveform data from which the plural segments are to be cut out.

6. A sound signal generating device comprising:

an adder configured to acquire plural sound signals representing sound waveforms respectively and add the acquired sound signals together so that the acquired sound signals are superimposed on each other to generate waveform data representing a waveform of a sound signal;

a storage configured to store the waveform data generated by the adder; and

a sound signal generator configured to cut out plural segments, deviated from each other in a time axis of the waveform data, from the waveform data stored in the storage, and generate a sound signal on the basis of waveform data that is generated by crossfading the plural cut-out segments,

wherein the sound signal generated by the sound signal generator or a sound signal generated using the sound signal generated by the sound signal generator is stored in the storage.

10. A sound signal generating device comprising:

a first sound signal generator configured to cut out plural segments, deviated from each other in a time axis of first waveform data, from the first waveform data representing a waveform of a sound signal and generate a sound signal on the basis of second waveform data that is generated by crossfading the plural cut-out segments of the first waveform data;

a storage configured to store, as third waveform data, a waveform of the sound signal generated by the first sound signal generator; and

a second sound signal generator configured to cut out plural segments, deviated from each other in the time axis of the third waveform data, from the third waveform data stored in the storage and generate a sound signal on the basis of fourth waveform data generated by crossfading the plural cut-out segments of the third waveform data.

11. The sound signal generating device according to claim 10, wherein each of the first sound signal generator and the second sound signal generator cuts out the plural segments on the basis of plural segment defining data which define the plural segments respectively.

12. The sound signal generating device according to claim 11, wherein the same segment defining data are supplied to the first sound signal generator and the second sound signal generator.

13. The sound signal generating device according to claim 10, wherein a length of at least one of the plural segments is different from a cycle of a fundamental tone of a sound represented by the first waveform data or the third waveform data from which the plural segments are to be cut out.

14. The sound signal generating device according to claim 10, further comprising:

a third sound signal generator configured to cut out plural segments, deviated from each other in a time axis of fourth waveform data, from the fourth waveform data representing a waveform of a sound signal and generate a sound signal on the basis of fifth waveform data that is generated by crossfading the plural cut-out segments of the fourth waveform data,

wherein the storage stores, as the third waveform data, a waveform of a sound signal obtained by mixing the respective sound signals generated by the first sound signal generator and the second sound signal generator.

15. The sound signal generating device according to claim 10, further comprising:

a fourth sound signal generator configured to generate a sound signal,

wherein the storage stores, as the third waveform data, a waveform of a sound signal obtained by mixing the respective sound signals generated by the first sound signal generator and the fourth sound signal generator.

16. A content data generating method of a content data generating device including a first storage storing content data including at least either video information or audio information and a second storage storing variation data representing change of a parameter on the content data, the content data generating method comprising:

designating a portion of the variation data; and

processing the content data according to a value of the parameter of the portion of the variation data designated by the designator to generate processed content data.

17. A sound signal generating method comprising:

acquiring plural sound signals representing sound waveforms respectively;

adding the acquired sound signals together so that the acquired sound signals are superimposed on each other to generate waveform data representing a waveform of a sound signal;

storing the waveform data generated in the adding process in a storage;

cutting out plural segments, deviated from each other in a time axis of the waveform data, from the waveform data stored in the storage;

generating a sound signal on the basis of waveform data that is generated by crossfading the plural cut-out segments; and

storing the sound signal generated in the generating process or a sound signal generated using the sound signal generated in the generating process in the storage.

18. A sound signal generating method comprising:

cutting out plural segments, deviated from each other in a time axis of first waveform data, from the first waveform data representing a waveform of a sound signal

generating a sound signal on the basis of second waveform data that is generated by crossfading the plural cut-out segments of the first waveform data;

storing, as third waveform data, a waveform of the sound signal generated in the generating process in a storage; and

cutting out plural segments, deviated from each other in the time axis of the third waveform data, from the third waveform data stored in the storage; and

generating a sound signal on the basis of fourth waveform data generated by crossfading the plural cut-out segments of the third waveform data.