MUSICAL PERFORMANCE-RELATED INFORMATION OUTPUT DEVICE, SYSTEM INCLUDING MUSICAL PERFORMANCE-RELATED INFORMATION OUTPUT DEVICE, AND ELECTRONIC MUSICAL INSTRUMENT

• US 20130305908A1
• Filed: 07/31/2013
• Published: 11/21/2013
• Est. Priority Date: 07/29/2008
• Status: Active Grant

• Current Assignee: Yamaha Corporation
• Original Assignee: Yamaha Corporation
• Inventors: IWASE, Hiroyuki, SONE, Takuro, FUKUI, Mitsuru
• Granted Patent: US 9,006,551 B2
• Time in Patent Office: Days
• US Class Current: 84/624
• CPC Class Codes: G10H 1/0066 using a MIDI interface
• CPC Class Codes: G10H 1/06 Circuits for establishing the harmonic content of tones , or other arrangements for changing the tone colour
• CPC Class Codes: G10H 1/40 Rhythm
• CPC Class Codes: G10H 2220/301 Fret-like switch array arrangements for guitar necks
• CPC Class Codes: G10H 2220/391 Angle sensing for musical purposes, using data from a gyroscope, gyrometer or other angular velocity or angular movement sensing device angles measured by an accelerometer or gravimeter G10H2220/395; angles calculated from 3D position sensing G10H2220/401; player body joint angle sensing G10H2220/321
• CPC Class Codes: G10H 2240/031 File merging MIDI, i.e. merging or mixing a MIDI-like file or stream with a non-MIDI file or stream, e.g. audio or video
• CPC Class Codes: G10H 2240/205 Synchronous transmission of an analog or digital signal, e.g. according to a specific intrinsic timing, or according to a separate clock
• CPC Class Codes: G10H 2240/215 Spread spectrum, i.e. transmission on a bandwidth considerably larger than the frequency content of the original information
• CPC Class Codes: G10H 2240/225 Frequency division multiplexing
• CPC Class Codes: G10H 3/188 for converting the signal to digital format transmission using a MIDI interface G10H1/0066

Abstract

Provided are a musical performance-related information output device and a musical performance system capable of superimposing musical performance-related information on an audio signal without damaging the general versatility of the audio signal. The musical performance-related information output device includes a musical performance-related information acquiring section that is adapted to acquire musical performance-related information related to a musical performance of a performer, a superimposing section that is adapted to superimpose the musical performance-related information on an analog audio signal such that a modulated component of the musical performance-related information is included in a band higher than the frequency component of the analog audio signal generated in accordance with the musical performance manipulation of the performer, and an output section that outputs the analog audio signal on which the superimposing section superimposes the musical performance-related information.

Claims

1. An output device comprising:

a first acquirer configured to acquire a signal including an audio component;

a second acquirer configured to acquire modulated data code string which is included in a frequency band higher than a frequency band of the audio component; and

an output interface configured to output the signal together with the modulated data code string sequentially to emit a sound externally.

2. The output device according to claim 1, wherein the modulated data code string is supplied to an external device by collecting the emitted sound and is used in the external device to control a sound.

3. The output device according to claim 1, wherein the modulated data code string includes information related to a musical performance or a signal complied with a MIDI standard.

4. The output device according to claim 1, wherein the modulated data code string includes a signal for controlling a sound volume.

5. The output device according to claim 1, wherein the modulated data code string is used to display a musical score.

6. The output device according to claim 1, wherein the audio component represents a sound generated by playing a musical instrument by a performer.

7. The output device according to claim 1, wherein the modulated data code string is a string generated by using a carrier signal having a frequency band higher than the frequency band of the audio component in accordance with given information.

8. The output device according to claim 1, wherein the output device is connected to a musical instrument or constitute a part of the musical instrument, the musical instrument including:

a sound generator configured to generate a signal representing a musical tone based on a musical performance, wherein

the audio component represents the musical tone.

9. The output device according to claim 1, wherein the frequency band higher than the frequency band of the audio component is 15 kHz or more.

10. A decoding device comprising:

an input interface configured to sequentially receive a signal including a modulation component included in a frequency band higher than a frequency band of an audio component, the signal being acquired by collecting a sound;

an extractor configured to extract the modulation component from the signal; and

a decoder configured to decode data code string based on the modulation component,

wherein information to be displayed on a monitor is controlled in accordance with the decoded data code string over time.

11. The decoding device according to claim 10, wherein the modulated data code string includes information related to a musical performance or a signal complied with a MIDI standard.

12. The decoding device according to claim 10, wherein the frequency band higher than the frequency band of the audio component is 15 kHz or more.

13. The decoding device according to claim 10, wherein the information to be displayed on the monitor is musical instrument performance-related information.

14. The decoding device according to claim 10, wherein the information to be displayed on the monitor is a musical score.

15. A decoding method comprising the steps of:

sequentially receiving a signal including a modulation component included in a frequency band higher than a frequency band of an audio component, the signal being acquired by collecting a sound;

extracting the modulation component from the signal;

decoding data code string based on the modulation component; and

controlling information to be displayed on a monitor in accordance with the decoded data code string over time.