Musical performance-related information output device, system including musical performance-related information output device, and electronic musical instrument

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 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 from a speaker,
• wherein the modulated data code string in the sound output from the speaker includes tempo information, which is based on a MIDI clock.

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 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,
• wherein the modulated data code string is used to display a musical score.

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, and
• wherein the modulated data code string includes information related to a musical performance or a signal complied with a MIDI standard.

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, and
• wherein the information to be displayed on the monitor is musical instrument performance-related information.

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, and
• wherein the information to be displayed on the monitor is a musical score.

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,
• wherein the information to be displayed on the monitor is musical instrument performance related information.

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,
• wherein the information to be displayed on the monitor is a musical score.

A signal outputting method comprising the steps of:

• acquiring a signal including an audio component;
• acquiring modulated data code string which is included in a frequency band higher than a frequency band of the audio component;
• and
• outputting the signal together with the modulated data code string sequentially to emit a sound from a speaker,
• wherein the modulated data code string in the sound output from the speaker includes tempo information, which is based on a MIDI clock.

A signal outputting method comprising the steps of:

• acquiring a signal including an audio component;
• acquiring modulated data code string which is included in a frequency band higher than a frequency band of the audio component;
• and
• outputting the signal together with the modulated data code string sequentially to emit a sound externally,
• wherein the modulated data code string is used to display a musical score.

A signal outputting method comprising the steps of:

• acquiring a signal including an audio component;
• acquiring modulated data code string included in a frequency band higher than a frequency band of the audio component;
• outputting the signal together with the modulated data code string sequentially to emit a first sound from a speaker,
• wherein the modulated data code string in the first sound output from the speaker contains instructions for controlling a second sound to be emitted from an external device, the second sound being different from the first sound.