JP4866136B2 - Sound equipment - Google Patents

Description

  The present invention relates to an acoustic device using bone conduction used for hypnosis, healing, other medical treatment, sleep induction, and the like.

Conventionally, as a method of generally crying or laying a baby crying at night, a lullaby is sung or music that gives comfort is heard. Furthermore, as disclosed in Patent Documents 1 and 2, as a method of more actively sleeping, a method of listening to a recorded sound of the mother's womb is also employed. This is based on the fact that the baby listens to sounds and vibrations in the mother's womb during the fetal period, especially when the mother is healthy and emotionally stable (rhythmic heartbeat) Sounds such as breathing and other sounds in the womb and human voices in everyday life of the mother bring a sense of security to the baby. Among the above, in particular, the heartbeat of the mother and the bloodstream sound flowing through the umbilical cord that can be heard in the womb are something that the fetus is constantly experiencing and listening to.
Japanese Patent Laid-Open No. 9-191984 JP 2005-196092 A

  In the case of the above prior art, these sounds are almost in vibration in the womb, but when listening to an infant, a speaker is installed near the crib to generate the sound and vibration. It was.

  However, the sound and vibration transmitted from the speaker through the air are limited, and it has not been possible to experience sufficient vibration as in the womb. Therefore, the sleep-inducing effect of the baby is limited simply by listening to the sound in the womb. In addition, since the sound reverberates in the surroundings, it cannot be used in other hospitals when there are other babies or other people around.

  The present invention has been made in view of the above-described problems of the prior art, and an object thereof is to provide an acoustic device that has a high tranquilizing effect, does not leak sound to the surroundings, and has a high therapeutic effect such as healing.

The present invention relates to a bone conduction speaker provided in an infant pillow or an infant mat, a driving device that vibrates the bone conduction speaker, a microphone for recording an intrauterine sound, and a baby's fetal period recorded by the microphone. A storage device that records a specific vibration waveform signal that is an intrauterine sound; and a signal processing circuit that sends the specific vibration waveform signal from the storage device to the drive device . The storage device and the signal processing circuit are included in the device main body. Provided, the drive device of the bone conduction speaker is connected to a reception circuit of the specific vibration waveform signal, the signal processing circuit is connected to a transmission circuit that transmits the specific vibration waveform signal recorded in the storage device, wherein said receiving circuit and transmitting circuit are provided so as to be transmitting and receiving said specific vibration waveform signal wirelessly, the specific vibration waveform signal received in the drive device An acoustic device for oscillating from said bone conduction speaker by dynamic circuit.

Further, the bone conduction speaker may generate a sound wave from an audible range to an ultrasonic wave generated by the dolphin, or a dolphin cry, in addition to the intrauterine sound .

  According to the acoustic device of the present invention, it is possible to easily experience the in utero sound familiar to the baby in the womb by bone conduction, the baby's psychological state is more reliably stabilized, and the sleep state is easily entered. Moreover, since no sound leaks around, it can be applied only to the baby.

  In addition, when using the dolphin cry, it can be used for mental therapy, sleep induction, and other therapies from babies to adults, and it is possible to experience the healing effect individually without leaking sounds around. it can. In addition, it is small in cost and can be used at any location.

  Hereinafter, embodiments of the present invention will be described with reference to FIGS. FIG. 1 shows an embodiment of the present invention. The acoustic device of this embodiment includes a bone conduction speaker 10 as an output device, and a drive circuit 12 of the bone conduction speaker 10 is placed on a mat 14 of a crib. The pillow 16 is provided. The bone conduction speaker 10 transmits vibrations such as sound in an audible range through a human skull and the like, and transmits sound to the auditory nerve of the cochlea of the inner ear without passing through the eardrum. The bone conduction speaker 10 is a speaker including a diaphragm that transmits vibrations to a bone, a voice coil, and the like.

  A signal having a specific vibration waveform generated by the bone conduction speaker 10 is transmitted from the apparatus main body 24 including the transmission circuit 22. The apparatus main body 24 is provided with a storage device 26 that stores a signal of a specific vibration waveform to be transmitted. The signal of the specific vibration waveform is transmitted from the storage device 26 to the signal processing circuit 28 and transmitted via the signal processing circuit 28. A digital signal obtained by processing a predetermined specific vibration waveform is transmitted from the circuit 22.

  The signal processing circuit 28 is connected to a microphone 30 for recording an intrauterine sound that is recorded in close contact with the stomach, and records a specific vibration waveform signal that is an intrauterine sound of the baby's fetal period, particularly at the end of pregnancy, in the storage device 26. Keep it.

  The bone conduction speaker 10 is provided in a pillow 16 on a mat 14 of a crib, and a driving device 20 including a driving circuit 12 and a receiving circuit 18 is integrally provided in the pillow 16. In addition, a plurality of bone conduction speakers 10 may be provided so that the bone conduction speaker 10 contacts the head of the baby 40 even when the baby 40 turns over. The bone conduction speaker 10 may be provided in the vicinity of the side edge of the mat 14 in addition to the pillow 16. Furthermore, although the apparatus main body 24 and the drive circuit 12 may be connected by wire, there is a possibility that the wiring may get entangled with the baby 40, so that a wireless acoustic device is preferable.

  The storage device 26 may be a known digital recorder, may be stored in a personal computer in MP3 format, and a storage medium such as a CD or MD is used as the storage device 26. A CD or MD player may be used. Further, as the storage device 26, a semiconductor memory such as an SD card may be used. The signals from the signal processing circuit 28 to the receiving circuit 18 are digitized, and it is sufficient that the drive circuit 12 includes a D / A conversion circuit.

  The transmission circuit 22 and the reception circuit 18 can be appropriately selected from those using radio waves and those using infrared rays. Further, the apparatus main body 24 includes a known rechargeable battery, other control circuits, and the like, and can transmit an arbitrary specific vibration waveform signal to the bone conduction speaker 10.

  Next, the usage method of this acoustic apparatus is demonstrated. First, the case where this acoustic apparatus is used at the time of infants' sleep guidance will be described. The baby 40 is laid on the mat 14 so that the head contacts the bone conduction speaker 16 of the pillow 16. Then, the receiving circuit 18 is set in the receiving state. In this state, for example, data of a specific vibration waveform signal, which is blood flow sound in the womb, is called from the storage device 26 from the device main body 24 and transmitted through the transmission circuit 22 by the signal processing circuit 28. The data to be transmitted is digitized and is transmitted after predetermined processing is performed on the digital signal. The reception circuit 18 sends the received signal to the drive circuit 12, and the drive circuit 12 performs processing such as D / A conversion, and further amplifies the signal to a predetermined output to drive the bone conduction speaker 10.

  Thereby, the baby 40 remembers when it is in the mother's womb and falls asleep quickly with peace of mind. After sleeping, the bone conduction speaker 10 may be turned off, but there is no problem if it is left on.

  The acoustic device of this embodiment may transmit not only the intrauterine sound by bone conduction but also a dolphin call with a high healing effect, for example. In recent years, it is said that dolphin calls have a therapeutic effect, and it has been actively studied. This is called dolphin therapy or dolphin therapy and is used as a kind of animal therapy.

  As an effect of the dolphin cry, there is an experimental result that the function is restored earlier than usual by rehabilitating while listening to this, and the result that catecholamine and beta endorphin in the blood after rehabilitation is increased is obtained. Yes. There are also experimental results that when playing with dolphins, theta waves often appear in the human brain when they are awake. It is said that this is because the dolphin's voice contains ultrasonic waves that are higher than human audible range.

  Bone conduction may be used as a method for listening to such a dolphin cry with various actions effectively and without disturbing the surroundings. Dolphin calls have a high healing effect and, like the womb sounds, have a sleep-inducing effect on babies and also have an adult mental stabilizing effect.

  Therefore, by listening to the dolphins crying through bone conduction at bedtime or when relaxing, it is possible to obtain a mental stability and healing effect in a short period of time without affecting the surroundings.

  When used by an adult, the bone conduction speaker 10 may be an existing headphone type bone conduction speaker.

  According to the acoustic device of this embodiment, when the baby is laid down, the in utero sound familiar in the uterus can be easily experienced by bone conduction. Thereby, a baby's psychological state is stabilized quickly and it is easy to enter a sleep state. Moreover, since sound does not leak to the surroundings, it can be applied only to the baby, which is convenient when used in a room with a plurality of people, such as a hospital or a room with brothers. In particular, by letting you listen to a recording of your mother's womb sound, you can be surely given a sense of security, and smooth sleep induction is possible.

  In addition, when using the dolphin cry, it can be used for mental therapy, sleep induction, and other therapies from babies to adults, and to obtain a healing effect without leaking sound to the surroundings regardless of location. Can do.

1 is a schematic block diagram of an audio device according to an embodiment of the present invention. It is a perspective view which shows the use condition of the audio equipment of this embodiment. It is a top view which shows the pillow used for the audio equipment of this embodiment.

DESCRIPTION OF SYMBOLS 10 Bone conduction speaker 12 Driving circuit 14 Mat 16 Pillow 18 Reception circuit 20 Driving device 22 Transmission circuit 24 Device main body 26 Storage device 28 Signal processing circuit 30 Microphone

Claims (2)

A bone conduction speaker provided in an infant pillow or an infant mat, a driving device that vibrates the bone conduction speaker, a microphone for recording an intrauterine sound, and a baby's fetal in utero sound recorded by the microphone A storage device that records the specific vibration waveform signal; and a signal processing circuit that sends the specific vibration waveform signal from the storage device to the drive device . The storage device and the signal processing circuit are provided in a device body, The driving device of the bone conduction speaker is connected to the receiving circuit for the specific vibration waveform signal, the signal processing circuit is connected to a transmission circuit for transmitting the specific vibration waveform signal recorded in the storage device, and the transmission circuit the receiver circuit is provided to be transmitting and receiving said specific vibration waveform signal wirelessly, the specific vibration waveform signal received to a drive circuit of the drive device Acoustic device for causing oscillated from the bone conduction speaker. The acoustic device according to claim 1 , wherein the bone conduction speaker generates a sound wave in a range from an audible range to an ultrasonic wave generated by the dolphin, or a dolphin cry, in addition to the intrauterine sound .

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