WO2006064535A1 - ミュート機能を備えた受信装置 - Google Patents
ミュート機能を備えた受信装置 Download PDFInfo
- Publication number
- WO2006064535A1 WO2006064535A1 PCT/JP2004/018583 JP2004018583W WO2006064535A1 WO 2006064535 A1 WO2006064535 A1 WO 2006064535A1 JP 2004018583 W JP2004018583 W JP 2004018583W WO 2006064535 A1 WO2006064535 A1 WO 2006064535A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- speaker
- mute
- unit
- output
- terminal
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
Definitions
- the present invention relates to a technique for appropriately muting an audio signal based on a radio signal.
- a device for connecting headphones as described above which has a mute function for muting sound output from a speaker when a headphone plug is inserted into a jack on the tuner side.
- Patent Document 1 JP 2002-10389
- the headphone antenna is simply used as an antenna, and it becomes impossible to listen to the sound from the speaker, or to connect the dedicated antenna to hear the sound from the speaker.
- the present invention provides a technique capable of appropriately muting an audio signal in accordance with a connected headphone or antenna.
- the present invention employs the following configuration.
- the receiving device of the present invention is a receiving device that receives a radio signal and outputs an audio signal from a first speaker, A connection unit to which a terminal of an antenna and / or a second speaker is connected; a reception unit that receives a radio signal via the antenna connected to the connection unit; and whether the terminal is connected to the connection unit
- the terminal is not connected to the connection portion, an audio signal is output to the first speaker, and when the terminal is connected to the connection portion, the first A mute indicator that mutes the output to the speaker,
- mute invalidity When mute invalidity is selected by the switch, the mute function of the mute instruction unit is invalidated, and the audio signal is output to the first force even when the terminal is connected to the connection unit. And a mute control unit.
- the receiving device of the present invention is a receiving device that receives a radio signal and outputs an audio signal from a first speaker
- a receiving unit that receives a radio signal via the antenna connected to the connection unit, and a type of a terminal connected to the connection unit is detected, and the second speaker is connected to the connection unit Mute control that mutes the output to the first speaker and disables the mute function and outputs the audio signal to the first speaker power when the second speaker power is not connected. And a section.
- the receiving device of the present invention is a receiving device that receives a radio signal and outputs an audio signal from a first speaker
- a connecting portion to which an antenna capable of attaching and detaching the second speaker portion is connected;
- a receiving unit for receiving a radio signal via the antenna connected to the connection unit; and detecting whether the second speaker part is connected to the antenna connected to the connection unit; If the speaker part is connected, the output to the first speaker force is muted, and if the second speaker part is not connected to the connection part, the mute function is disabled. And a mute controller that outputs the audio signal to the first speaker.
- the receiving device is an expansion unit that is exclusively connected to an expansion slot of an electronic device. Even if the
- the receiving system of the present invention is a receiving system that receives a radio signal and outputs an audio signal from a first speaker
- a mute instruction unit for outputting an audio signal to the first speaker and muting the output to the first speaker when the terminal is connected to the connection unit;
- mute invalidity When mute invalidity is selected by the switch, the mute function of the mute instruction unit is invalidated, and the audio signal is output to the first speaker force even when the terminal is connected to the connection unit. And a mute control unit.
- the reception system includes an expansion slot that can exclusively connect a plurality of types of expansion units,
- connection unit the reception unit, and the mute instruction unit may be provided as an expansion unit.
- the receiving system of the present invention is a system for receiving a radio signal and outputting an audio signal from a first speaker
- a mute signal is notified to the output unit based on the detection result, and the second speaker is connected to the connection unit, the first Mute the output to the speaker, and connect the second speaker to the connection.
- a mute control unit that disables the mute function and outputs the audio signal to the first speaker force when no power is connected.
- the reception system of the present invention is a system for receiving a radio signal and outputting an audio signal from a first speaker
- a mute signal is notified to the output portion based on the detection result, and the second speaker portion is connected. If the second speaker portion is not connected to the connection portion, the mute function is disabled and the audio signal is sent to the first speaker.
- a mute controller that outputs to the speaker
- the reception system includes an expansion slot that can exclusively connect a plurality of types of expansion units,
- connection unit the reception unit, and the mute control unit may be provided as an expansion unit.
- the reproduction unit may be a TV tuner unit that generates video data and audio data from a radio wave signal of a TV broadcast received as the radio signal.
- the second speaker may be a device that outputs sound that can be attached to and detached from the connection unit, such as headphones or an external speaker.
- the headphones may be any device such as earphones, earphones, and bone conduction speakers that can be worn on the head or the like to listen to the sound output personally.
- the sound is not limited to the sound of a TV composed of a person's voice, music, or the like as long as it is a sound, such as music, voice, and electronic sound.
- the present invention makes it possible to appropriately mute an audio signal according to a connected headphone or antenna.
- FIG. 1 A personal computer equipped with a tuner unit (receiver) 1 according to the present invention.
- FIG. 4 is a schematic configuration diagram of Embodiment 2 of the present invention.
- FIG. 7 is a schematic configuration diagram of Embodiment 3 of the present invention.
- FIG. 11 is a schematic diagram of Embodiment 4 of the present invention.
- FIG. 14 is a schematic configuration diagram of Modification 1 of Embodiment 4.
- FIG. 15 is a schematic configuration diagram of Modification 2 of Embodiment 4.
- FIG. 1 is a schematic configuration diagram of a personal composition (receiver system) 2 equipped with a tuner unit (receiver) 1 according to the present invention.
- the tuner unit 1 of this example is attached to a card slot of a personal computer (PC) 2, receives a TV broadcast, and outputs a video signal and an audio signal to the PC2.
- This sound signal is converted into a signal of a predetermined format by the sound chip 25 and then output to the speaker amplifier (output unit) 21 and the headphone amplifier 23.
- the speaker amplifier (output unit) 21 amplifies the sound signal and outputs the sound from the speakers 22R and 22L.
- the headphone amplifier 23 amplifies the sound signal and outputs the sound from the headphone antenna terminal (connection unit) 11 or the headphone terminal 24 connected to the headphone terminal 24.
- the tuner unit 1 includes a connection unit 11, a mute instruction unit lla, a decoding unit (reception unit) 12, a mute invalid switch 14, and a mute control unit 15.
- the connecting part (jack) 11 has an antenna 3A or a headphone (second power) 3H, or a headphone antenna (an antenna to which the second speaker can be attached and detached) 3HA. Connected.
- the decoding unit 12 includes an antenna 3A or a headphone antenna 3H connected to the connection unit 11. Video signals and audio signals are generated based on radio signals (TV broadcast) received via the antenna part of A.
- the output of the contact J5 as a mute signal is in a high state of a predetermined voltage value.
- a terminal FIG. 3 shows an example of the terminal of the headphone antenna 3AH
- the contact J5 and the contact J4 are electrically connected by the terminal as shown in FIG.
- the output of contact J5 as a mute signal becomes low (equivalent to GND) (approximately 0V).
- the presence / absence of the connection of the terminal is electrically detected.
- the present invention is not limited to this, and a configuration in which contact with the terminal is mechanically detected by a switch at the time of connection, or a photoelectric detection by a photo force bra. Any configuration that can output a mute signal according to the connection state of the terminals, such as a configuration to be used.
- the mute invalid switch 14 selects whether the mute is valid / invalid by a user operation, and outputs a mute control signal in accordance with the validity / invalidity.
- the mute control signal is output so that it is Low when mute is enabled and High when mute is disabled.
- the mute control unit 15 disables the mute function when mute invalidity is selected by the switch 14, and even when the terminal is connected to the connection unit 11 (Low), Output the mute signal as High. That is, the mute control unit of this example outputs a logical sum of the mute signal of the mute instruction unit 1 la and the mute control signal of the switch 14.
- the headphone jack 24 is also provided on the front of the PC 2. Like the connection unit 11, the headphone jack 24 is low, and the headphone jack 24 is high when the headphone terminal is not connected. Outputs a mute signal. The outputs of the mute controller 15 and the headphone jack 24 are input to the speaker amplifier 21 via the AND circuit 21a.
- the speaker amplifier 21 is connected to the speaker 22 when the output of the AND circuit 21a is Low. Mutes the output of R and 22L. That is, if the output of either the mute controller 15 or the headphone jack 24 is Low, the output force S to the speakers 22R and 22L is muted.
- the selection of the mute function when the terminal is connected to the connection part 11 and when the terminal is connected to the connection part 11 is selected. explain.
- the tuner unit 1 of the present embodiment sets the mute signal from the mute instruction unit 11a to High and outputs the mute control unit 15 to the output.
- the audio signal is output from the speaker amplifier 21 to the speakers 22R and 22L.
- the switch 14 When the switch 14 is enabled and the terminal is connected to the connection unit 11, the mute signal from the mute instruction unit 11a is set low and the output of the mute control unit 15 is set low. Thus, the audio signal from the speaker amplifier 21 to the speakers 22R and 22L is muted.
- the tuner unit 1 of the present embodiment sets the mute signal from the mute instruction unit 11a to High and the mute control unit By setting the output of 15 to High, an audio signal is output from the speaker amplifier 21 to the speakers 22R and 22L.
- the mute signal from the mute instruction unit 11a is set to Low.
- the output of the mute invalid switch 14 is High. Therefore, the output of the mute controller 15 is set to High, and the audio signal is output from the speaker amplifier 21 to the speaker forces 22R and 22L.
- the mute function when the terminal is connected to the connection unit 11 can be disabled by the mute invalid switch 14.
- the headphone antenna 3HA is connected to the connection unit 11, the audio signal received through the antenna unit is heard with headphones, and the PC 2 is used indoors.
- a dedicated antenna 3A is connected to the connection unit 11, and the audio signal received through this antenna can be heard through a speaker.
- the antenna is used as the connection portion. Even when connected, the mute function can be selectively disabled to output audio signals from the speaker.
- FIG. 4 is a schematic configuration diagram of Embodiment 2 of the present invention. Compared to Embodiment 1 described above, this embodiment is configured to execute the mute function when the mute control unit detects a headphone connection, instead of selecting the mute function using the switch. It is different. Since other configurations are substantially the same, the same members are denoted by the same reference numerals, and the description thereof is omitted.
- the mute control unit 16 has an antenna 3A, a headphone 3H, or a headphone antenna 3HA, and any of a plurality of types (three types in this example) of terminals. 11 is detected, and a mute signal corresponding to the detection result is output to the speaker amplifier 21 (and circuit 21a).
- FIG. 5 is an explanatory diagram of the mute controller 16 that detects the type of this terminal.
- the output of the contact J1 as a mute signal is in a high state of a predetermined voltage value.
- FIG. 6 shows an example of the terminal 3HA
- the output level of contact J1 as a mute signal is equivalent to (approximately 0V) Low level. That is, the mute signal to the speaker amplifier 21 is set to Low (the mute function is enabled), and the outputs to the speakers 22R and 22L are muted.
- the presence or absence of connection was detected by the voltage state of the contact point connected to the headphones.
- the present invention is not limited to this. In such a case, it may be configured to output a mute signal according to the connection state of the headphones, such as detection of disconnection when the connection and resistance value exceed a predetermined value (for example, infinite).
- the contact PI (P2) on the terminal side that contacts the contact J1 (J2) is NC (No Contact).
- Contact Jl CF2 Their outputs (mute signal) remain high.
- the mute controller 16 sets the mute signal to the speaker amplifier 21 to High (mute function disabled) and does not mute the output to the speakers 22R and 22L.
- the mute function when a terminal is connected to the connection unit 11, the mute function can be set to be valid or invalid depending on the type of the terminal.
- the antenna and headphones are connected to the same connection portion, and the antenna is connected in the receiver 1 that is simplified, reduces the number of parts, and saves space.
- the mute function can be automatically disabled and the audio signal can be output from the speaker.
- FIG. 7 is a schematic configuration diagram of Embodiment 3 of the present invention. Compared with the first embodiment described above, this embodiment executes the mute function when the connection of the headphone portion of the headphone antenna is detected by the mute controller instead of selecting the mute function by the switch. Point power of composition is different. Since other configurations are substantially the same, the same members are denoted by the same reference numerals, and the description thereof is omitted.
- the headphone antenna 4HA is connected to the connection unit 17.
- This headphone antenna 4HA includes a base portion 4A and a headphone portion 4H.
- the mute controller 18 detects whether or not the headphone part 4H of the headphone antenna 4HA is connected to the base part 4A, and outputs a mute signal according to the detection result to the powerful amplifier 21 (and circuit 21a).
- FIG. 8 is an explanatory diagram of the headphone antenna 4HA and the mute control unit 18.
- the connection portion 17 on the TV tuner side includes contacts J1 and J5 for left and right audio signals, antennas, mute signals, and GND. That is, the TV tuner side terminal (plug) 41 of the headphone antenna 4HA is provided with contacts P1 to P5 that come into contact therewith.
- the base portion 4A is provided with a line connected to each contact P1 P5 from the terminal 41 to the relay section 42, and the line connected to the contact P3 functions as an antenna.
- Vcc 3-5V
- the contact J4 is in a high state of a predetermined voltage value. That is, the mute controller 18 sets the mute signal to the speaker amplifier 21 to High (mute function disabled) and does not mute the output to the speaker forces 22R and 22L.
- the mute control unit 18 sets the mute signal to the speaker amplifier 21 to Low (mute function is enabled) and mutes the output to the speakers 22R and 22L.
- the mute function can be set to be valid or invalid depending on whether or not the headphone part 4H is connected to the relay unit 42.
- a terminal 44 of a dedicated antenna as shown in FIG. 10 may be connected to the connection unit 17.
- the terminal 44 of this dedicated antenna has a contact J4 for the mute signal as NC. Even in this case, when the terminal 44 of the dedicated antenna is connected to the connection part 17, the contact J3 is kept High, so that the mute control part 18 can disable the mute function by setting the mute signal to High.
- FIG. 11 is a schematic diagram of Embodiment 4 of the present invention.
- This embodiment shows an example of a notebook personal computer (corresponding to an electronic device, hereinafter also referred to as a notebook PC) 2 provided with a receiving device 1 similar to that of the above-described Embodiment 1 as an extension unit. .
- a notebook PC corresponding to an electronic device, hereinafter also referred to as a notebook PC
- a receiving device 1 similar to that of the above-described Embodiment 1 as an extension unit.
- the same components as those in the first embodiment are denoted by the same reference numerals and the description thereof is omitted.
- the notebook PC 2 includes a computer main body 51 and a display unit 53 connected to the computer main body 51 by a hinge 52 so as to be opened and closed.
- Arrows XI and X2 indicate the width direction of the notebook PC2
- arrows Yl and Y2 indicate the depth direction
- arrows Zl and Z2 indicate the height (thickness) direction.
- the computer main body 51 has a keyboard portion 54 on the upper surface, an internal CPU and the like, and an expansion bay 56 for accommodating an expansion unit is formed on the lower right side.
- the expansion bay 56 has an opening 58 on the right side surface 57 of the computer main body 51 as an inlet of the expansion unit.
- the expansion bay 56 has a slit shape extending from the opening 58 to the center of the device in the direction of the arrow X2, and the end of the X2 side is connected to the core.
- a nectar 59 is provided. Since the connector 59 is located inside the computer main body 51, a part of the upper surface of the main body 51 is cut away in FIG.
- a tuner unit (receiving device) 1 an FD unit 61, a CD-ROM unit 62, and the like are prepared.
- These expansion units 1, 61, 62 are flat plates that can be fitted into the expansion bay 56, and have a connector 63 that fits into the connector 59 at the distal end in the insertion direction (X2).
- the units 1, 61, 62 are each mounted on the expansion bay 56 exclusively. As a result, the notebook PC 2 can be accessed to the expansion unit through the connector 59 and its functions can be expanded.
- the expansion bay 56 may be referred to in various terms, and may be referred to as a bay, an expansion slot, a multi bay, and a multi-pass bay (multipurpose bay).
- FIG. 12 is an external perspective view of the tuner unit 1
- FIG. 13 is a schematic configuration diagram of the tuner unit 1.
- the outer shape of the housing 10 is substantially flat, and the connector 63 is provided so as to protrude from the distal end surface in the insertion direction (X2 direction).
- the headphone antenna terminal (connector) 11, S — Video input terminal 65 and composite input terminal 66 are lined up.
- the decoding unit 12 uses the video signal and audio based on the radio signal (TV broadcast) received via the antenna part of the antenna 3A or the headphone antenna 3HA connected to the connection part 11. A signal is generated and output to the sound chip 25 via the connector 63.
- TV broadcast radio signal
- the audio signal from the headphone amplifier 23 is output to the connection unit 11 via the connector 63, and the audio is output from the headphones 3H and 3HA connected to the connection unit 11.
- the mute controller 15 transmits a mute signal to the speaker amplifier 21 (and circuit 21a) via the connector 63 based on the mute signal of the mute instruction unit 11a and the mute control signal of the switch 14.
- mute invalidity is selected by the same switch 14 as in the first embodiment, the mute function is invalidated and the connection unit 11 is Even when plugs 3A and 3HA are connected (Low), the mute signal can be output as High and audio can be output from the speakers 22R and 22L.
- FIG. 14 shows an example in which the receiving device 1 of Embodiment 2 (FIG. 4) is an expansion unit.
- the mute controller 16 detects which of a plurality of types (three types in this example) of terminals such as the antenna 3A, the headphone 3H, or the headphone antenna 3HA is connected to the connection unit 11.
- the mute signal corresponding to the detection result is output to the speaker amplifier 21 (and circuit 21a) via the connector 63.
- the mute control unit 16 sets the mute signal to Low when the connection of the headphone 3H or the headphone antenna 3HA is detected, mutes the power output, and when the connection of the antenna 3A is detected, sets the mute signal to High. Do not mute the speaker output.
- the muting function can be appropriately controlled even when the receiving device 1 of the second embodiment is the extension unit of the present embodiment.
- FIG. 15 shows an example in which the receiving device 1 of Embodiment 3 (FIG. 7) is an expansion unit.
- Vcc 3 to 5V
- the mute control unit 18 sets the mute signal to the speaker amplifier 21 to Low (mute function is enabled) and mutes the output to the speakers 22R and 22L.
- the Ute function can be controlled appropriately.
- the force described with the example using headphones may be replaced with earphones or external speakers instead of headphones.
- the present invention can be widely applied to devices that connect an antenna and a headphone, such as a radio, a mobile phone, and a mobile TV, in addition to a TV tuner.
- a headphone such as a radio, a mobile phone, and a mobile TV
- the present invention is suitable for a notebook PC, a space-saving PC, a PDA, a mobile phone, etc. in which the volume of the apparatus is restricted.
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Abstract
Description
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Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2004/018583 WO2006064535A1 (ja) | 2004-12-13 | 2004-12-13 | ミュート機能を備えた受信装置 |
JP2006548854A JP4823920B2 (ja) | 2004-12-13 | 2005-12-13 | 出力装置 |
PCT/JP2005/022873 WO2006064800A1 (ja) | 2004-12-13 | 2005-12-13 | 音声出力制御装置 |
US11/762,289 US20070286436A1 (en) | 2004-12-13 | 2007-06-13 | Sound output control device |
JP2009200931A JP2009284548A (ja) | 2004-12-13 | 2009-08-31 | 音声出力制御装置 |
JP2009200916A JP2009284547A (ja) | 2004-12-13 | 2009-08-31 | 音声出力制御装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2004/018583 WO2006064535A1 (ja) | 2004-12-13 | 2004-12-13 | ミュート機能を備えた受信装置 |
Publications (1)
Publication Number | Publication Date |
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WO2006064535A1 true WO2006064535A1 (ja) | 2006-06-22 |
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ID=36587600
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2004/018583 WO2006064535A1 (ja) | 2004-12-13 | 2004-12-13 | ミュート機能を備えた受信装置 |
Country Status (1)
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WO (1) | WO2006064535A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8204256B2 (en) | 2007-01-30 | 2012-06-19 | Sony Corporation | System and method for muting TV speakers when headphones in use |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61276401A (ja) * | 1985-05-31 | 1986-12-06 | Toshiba Corp | ヘツドホンアンテナ装置 |
JPH05191305A (ja) * | 1992-01-17 | 1993-07-30 | Mazda Motor Corp | 車両用音響装置 |
JPH09212270A (ja) * | 1995-10-31 | 1997-08-15 | Minebea Co Ltd | マルチメディアコンピュータのキーボード |
JPH11150788A (ja) * | 1997-11-14 | 1999-06-02 | Yamaha Corp | オーディオシステム |
-
2004
- 2004-12-13 WO PCT/JP2004/018583 patent/WO2006064535A1/ja not_active Application Discontinuation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61276401A (ja) * | 1985-05-31 | 1986-12-06 | Toshiba Corp | ヘツドホンアンテナ装置 |
JPH05191305A (ja) * | 1992-01-17 | 1993-07-30 | Mazda Motor Corp | 車両用音響装置 |
JPH09212270A (ja) * | 1995-10-31 | 1997-08-15 | Minebea Co Ltd | マルチメディアコンピュータのキーボード |
JPH11150788A (ja) * | 1997-11-14 | 1999-06-02 | Yamaha Corp | オーディオシステム |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8204256B2 (en) | 2007-01-30 | 2012-06-19 | Sony Corporation | System and method for muting TV speakers when headphones in use |
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