Reproduction system, terminal device, method thereof, and non-transitory storage medium, for providing information
AssigneeYamaha Corporation
InventorsShota Moriguchi, Yuki Seto
Life of this patent
Estimating the term…
Abstract
An audio processing device has an information extractor that extracts identification information from a first audio signal in a first frequency band that includes an audio component of a sound for reproduction and an audio component including the identification information of the sound for reproduction and a signal processor that generates a second audio signal that includes the identification information extracted by the information extractor and that is in a second frequency band higher than the first frequency band, with a sound represented by the second audio signal being emitted from a sound emission device.
Claims16
A reproduction system comprising:
- at least one processor configured to:
- generate a reproduction signal including:
- a target signal representative of a sound for reproduction;
- and
- a first audio signal representative of an audio component that includes identification information of content information representing spoken content of the sound for reproduction;
- and
- extract the identification information from the first audio signal, which is in an audible frequency range, and generate a second audio signal representative of the identification information extracted from the first audio signal;
- and
- a sound emitter configured to output the reproduction signal as a sound and the second audio signal representative of the identification information as a sound in an inaudible frequency range to provide the identification information to a terminal device that is configured to acquire the content information that corresponds to the provided identification information.
A voice guidance system comprising:
- a terminal device;
- and
- at least one processor configured to:
- generate a reproduction signal including:
- a target signal representative of a sound for reproduction;
- and
- a first audio signal representative of an audio component that includes identification information of content information representing spoken content of the sound for reproduction;
- and
- extract the identification information from the first audio signal, which is in an audible frequency range, and generate a second audio signal representative of the identification information extracted from the first audio signal;
- and
- a sound emitter configured to output the reproduction signal as a sound and the second audio signal representative of the identification information as a sound in an inaudible frequency range to provide the identification information to the terminal device,
- wherein the terminal device acquires the content information corresponding to the provided identification information from the sound emitted by the sound emitter.
A method implemented in a reproduction system, the method comprising:
- generating a reproduction signal including:
- a target signal representative of a sound for reproduction;
- and
- a first audio signal representative of an audio component that includes identification information of content information representing spoken content of the sound for reproduction;
- extracting the identification information from the first audio signal, which is in an audible frequency range, and generate a second audio signal representative of the identification information extracted from the first audio signal;
- and
- outputting, via a sound emitter, the reproduction signal as a sound and the second audio signal representative of the identification information as a sound in an inaudible frequency range to provide the identification information to a terminal device that is configured to acquire the content information that corresponds to the provided identification information.
Dependencies are inferred from the claim text.