Musical-performance-information transmission method and musical-performance-information transmission system

Patent metadata

Field	Value
Publication number	US-9953545-B2
Application number	US-201515039466-A
Country	US
Kind code	B2
Filing date	Jan 6, 2015
Priority date	Jan 10, 2014
Publication date	Apr 24, 2018
Grant date	Apr 24, 2018

Abstract

A musical-performance-information transmission method using a first instrument and a second instrument, wherein the first instrument produces sounds in accordance with a user's musical performance and generates musical-performance data in accordance with the produced sounds and the second instrument produces sounds by receiving the musical performance data via a communication means. In the musical-performance-information transmission method, a mixed-sound signal is generated in accordance with a mixture of sounds produced by the first instrument and sounds that are different from the sounds produced by the first instrument, a reference signal is generated in accordance with the sounds produced by the first instrument, and on the basis of the mixed-sound signal and the reference signal, the reference signal is removed from the mixed-sound signal, generating a separated signal, and sound is emitted on the basis of said separated signal.

First claim

The invention claimed is:

1. A musical-performance-information transmission method using a first musical instrument that produces sounds in accordance with a user's playing and generates musical-performance data in accordance with the produced sounds, and a second musical instrument that produces sounds by receiving the musical-performance data via a network, the method comprising the steps of:
generating a mixed-sound signal from played sounds of the first musical instrument and other sounds picked up by a microphone;
generating a reference signal with a sound-source based on performance data generated by the first musical instrument;
generating a separation signal by removing the played sounds picked up by the microphone from the mixed-sound signal using the reference signal;
transmitting the separation signal to the second musical instrument; and
emitting sounds by the second musical instrument based on the separation signal received from the first musical instrument.

2. The musical-performance-information transmission method according to claim 1 , wherein the reference signal is a musical sound waveform in accordance with a pitch specified by the musical-performance data that the first musical instrument generates.

3. The musical-performance-information transmission method according to claim 1 , wherein the microphone is arranged in the vicinity of the first musical instrument.

4. The musical-performance-information transmission method according to claim 1 , wherein the other sounds are vocal sounds that the user playing the first musical instrument generates.

5. The musical-performance-information transmission method according to claim 1 , wherein the first musical instrument includes the sound-source.

6. A musical-performance-information transmission method using a first system having a first musical instrument that produces sounds in accordance with a user's playing and generates musical-performance data in accordance with the produced sounds, and a second system having a second musical instrument that produces sounds by receiving the musical-performance data via a network, the method comprising the steps of:
in the first system:
generating a mixed-sound signal from played sounds of the first musical instrument and other sounds picked up by a microphone;
generating a reference signal with a sound-source based on performance data generated by the first musical instrument;

generating a separation signal by removing the played sounds picked by the microphone from the mixed-sound signal using the reference signal; and
transmitting the separation signal to the second system.

7. The musical-performance-information transmission method according to claim 6 , wherein the reference signal is a musical sound waveform in accordance with a pitch specified by the musical-performance data that the first musical instrument generates.

8. The musical-performance-information transmission method according to claim 6 , wherein microphone is arranged in the vicinity of the first musical instrument.

9. The musical-performance-information transmission method according to claim 6 , wherein the other sounds are vocal sounds that the user playing the first musical instrument generates.

10. The musical-performance-information transmission method according to claim 6 , further comprising the steps of:
in the second system:
receiving the separation signal from the first system; and
emitting sounds based on the separation signal received from the first system.

11. The musical-performance-information transmission method according to claim 10 , wherein the reference signal is a musical sound waveform in accordance with a pitch specified by the musical-performance data that the first musical instrument generates.

12. The musical-performance-information transmission method according to claim 10 , wherein microphone is arranged in the vicinity of the first musical instrument.

13. The musical-performance-information transmission method according to claim 10 , wherein the other sounds are vocal sounds that the user playing the first musical instrument generates.

14. A musical-performance-information transmission system comprising:
a first musical instrument that produces sounds in accordance with a user's playing and generates musical-performance data in accordance with the produced sounds; and
a second musical instrument that produces sounds by receiving the musical-performance data via a network,
wherein the first musical instrument includes:
a sound collecting device that generates a mixed-sound signal from played sounds of the first musical instrument and other sounds picked up by said sound collecting device;
a sound-source that generates a reference signal based on performance data generated by the first musical instrument;
a signal processor that generates a separation signal by removing the played sounds pickup by the sound collecting device using the reference signal; and
a transmitter that transmits the separation signal to the second musical instrument, and

wherein the second musical instrument includes a sound-emitter that emits sounds based on the separation signal received from the first musical instrument.

15. The musical-performance-information transmission system according to claim 14 , wherein the reference signal is a musical sound waveform in accordance with a pitch specified by the musical-performance data that the first musical instrument generates.

16. The musical-performance-information transmission system according to claim 14 , wherein the sound collecting device is a microphone arranged in the vicinity of the first musical instrument.

17. The musical-performance-information transmission method according to claim 14 , wherein the other sounds are vocal sounds that the user playing the first musical instrument generates.

Assignees

• Yamaha Corp

Inventors

• Matahira Kenji
• Uehara Haruki
• Maezawa Akira

Classifications

• G10H2240/295

  Packet switched network, e.g. token ring · CPC title

• G10H1/0066

  using a MIDI interface · CPC title

• G10H1/365

  the accompaniment information being stored on a host computer and transmitted to a reproducing terminal by means of a network, e.g. public telephone lines · CPC title

• G10H7/00

  Instruments in which the tones are synthesised from a data store, e.g. computer organs · CPC title

• G10F1/00

  Automatic musical instruments · CPC title