JP2005136457A - Mobile phone, reproducing method, and program - Google Patents

Mobile phone, reproducing method, and program Download PDF

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Publication number
JP2005136457A
JP2005136457A JP2003366952A JP2003366952A JP2005136457A JP 2005136457 A JP2005136457 A JP 2005136457A JP 2003366952 A JP2003366952 A JP 2003366952A JP 2003366952 A JP2003366952 A JP 2003366952A JP 2005136457 A JP2005136457 A JP 2005136457A
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speakers
mobile phone
audio
video
television broadcast
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Michiaki Koizumi
道明 小泉
Kenji Kiyota
健二 清田
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Sanyo Electric Co Ltd
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Sanyo Electric Co Ltd
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Priority to JP2003366952A priority Critical patent/JP2005136457A/en
Priority to KR1020067009892A priority patent/KR101124826B1/en
Priority to US10/576,464 priority patent/US20070265031A1/en
Priority to PCT/JP2004/015761 priority patent/WO2005039157A1/en
Publication of JP2005136457A publication Critical patent/JP2005136457A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a mobile phone for carrying out a natural sound output to a user whereby the user can easily view a television broadcast program in accordance with the display form of an image in the case of receiving and reproducing the television broadcast wave. <P>SOLUTION: The mobile phone is provided with: a reception means for receiving a television broadcast signal; a display section; two speakers arranged at both sides of the display section; and a sound output means for using the two speakers to reproduce the received sound as a stereoscopic signal when the two speakers are located to the left and right of a displayed image or using the speakers to reproduce the received sound as a monaural signal when the two speakers are located to upper and lower parts of the displayed image. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は、テレビ放送波を受信して再生する携帯電話機に関し、特に音声モードを切替える技術に関する。   The present invention relates to a mobile phone that receives and reproduces a television broadcast wave, and more particularly to a technique for switching an audio mode.

近年、携帯電話機の多機能化が進み、例えばデジタルテレビ放送波を受信、再生する機能を備える携帯電話機も開発されている。   In recent years, mobile phones have become more and more multifunctional, and for example, mobile phones having a function of receiving and playing back digital television broadcast waves have been developed.

携帯電話機が備える液晶ディスプレイ等画面の形状はほとんどが縦長であり、デジタルテレビ放送波で送信される画像の多くは横長の形状を有するので、携帯電話機の一部機種は、前記画像を９０度回転させて表示し、前記液晶ディスプレイの表示領域を有効利用するモードを備えている（非特許文献１参照）。   Most of the screens such as liquid crystal displays provided in mobile phones are vertically long, and most of the images transmitted by digital TV broadcast waves have a horizontally long shape. Therefore, some models of mobile phones rotate the images 90 degrees. And a mode for effectively using the display area of the liquid crystal display (see Non-Patent Document 1).

一方、音声に関しては、デジタルテレビ放送においてはステレオ放送されるものがほとんどであり、ステレオ音声を適切に再生するためには、携帯電話機にスピーカを２つ備える必要がある。   On the other hand, most of the digital television broadcasts are stereo broadcasts, and in order to properly reproduce the stereo sound, it is necessary to provide two speakers on the mobile phone.

ステレオ効果を得るために２つのスピーカを適度に離して配置すること及び一方のスピーカを前記縦長画面の上端外側に通常配置される通話用のスピーカと兼用することを考慮し、携帯電話機において、縦長画面の長手方向の両端外側にそれぞれ１つのスピーカを配置することが考えられている。
日経エレクトロニクス ２００３年８月１８日 日経ＢＰ社 Ｐ．９０−９５ In order to obtain a stereo effect, in consideration of the fact that two speakers are arranged at a suitable distance and one speaker is also used as a speaker for calls usually placed on the outside of the upper end of the vertically long screen, It is considered that one speaker is arranged on both outer sides in the longitudinal direction of the screen.
Nikkei Electronics August 18, 2003 Nikkei Business Publications, Inc. 90-95

しかしながら、前記携帯電話機は、テレビ放送受信時、上述のようには画像を９０度回転させずに画面に表示したい場合もあり、このような場合に受信した音声を単純にステレオ音声として出力すると、ステレオ音声の右音声が画像の上方から聞こえ、左音声が画像の下方から聞こえるといった利用者にとって不自然な音声出力がなされることとなる。   However, when the mobile phone receives a television broadcast, there are cases where it is desired to display the image on the screen without rotating it by 90 degrees as described above. If the received sound is simply output as a stereo sound in such a case, An unnatural sound output is made for the user such that the right sound of stereo sound is heard from above the image and the left sound is heard from below the image.

上記の問題に鑑み、本発明は、テレビ放送を受信して再生する場合に、画像の表示形態に応じて、利用者に対し自然な音声出力がなされる、テレビ放送の視聴がしやすい携帯電話機を提供することを目的とする。   In view of the above-described problems, the present invention provides a mobile phone that is easy to watch TV broadcasts, in which natural audio output is made to the user according to the display form of the images when receiving and playing TV broadcasts. The purpose is to provide.

上記課題を解決するために本発明は、携帯電話機であって、テレビ放送信号を受信する受信手段と、前記テレビ放送信号中の映像を表示する表示部と、前記表示部の両側に配された２つのスピーカと、前記２つのスピーカが前記映像の左右に位置する場合、前記テレビ放送信号中の音声を前記２つのスピーカでステレオ再生し、前記２つのスピーカが前記映像の上下に位置する場合、前記音声を前記２つのスピーカでモノラル再生する音声出力手段とを備える。   In order to solve the above-mentioned problems, the present invention is a mobile phone, and is provided with receiving means for receiving a television broadcast signal, a display unit for displaying an image in the television broadcast signal, and both sides of the display unit. When two speakers and the two speakers are positioned on the left and right of the video, the audio in the TV broadcast signal is reproduced in stereo on the two speakers, and when the two speakers are positioned above and below the video, Audio output means for reproducing the audio in monaural using the two speakers.

（１）本発明の携帯電話機は、上述の構成を備えることにより、利用者から見て、表示する映像の左右にスピーカが位置する場合に、音声をステレオ出力するので、前記利用者は音声のステレオ効果を享受することができ、また表示する映像の左右以外の方向である上下方向等にスピーカが位置する場合、前記スピーカの少なくとも一方に音声をモノラル出力するので、映像の上方向からステレオ音声に係る右側音声、下方向からステレオ音声に係る左側音声を聞くといった不自然さや、聞き取りにくさを感じることなく、音声を聞くことができる。   (1) Since the mobile phone according to the present invention has the above-described configuration, when the speakers are positioned on the left and right of the video to be displayed when viewed from the user, the user outputs the audio in stereo. When the speaker can be enjoyed in a stereo effect and the speaker is positioned in a vertical direction other than the left and right directions of the video to be displayed, the audio is monaurally output to at least one of the speakers. It is possible to listen to the sound without feeling unnaturalness such as listening to the right-hand sound related to the left sound and the left-hand sound related to the stereo sound from the lower direction and difficulty in hearing.

（２）本発明の再生方法は、表示部の両側に２つのスピーカを配した携帯電話機においてテレビ番組を再生する再生方法であって、テレビ放送信号を受信する受信ステップと、前記表示部により前記テレビ放送信号中の映像を表示する表示ステップと、前記２つのスピーカが前記映像の左右に位置する場合、前記テレビ放送信号中の音声を前記２つのスピーカでステレオ再生し、前記２つのスピーカが前記映像の上下に位置する場合、前記音声を前記２つのスピーカでモノラル再生する音声出力ステップとを含む。   (2) The reproduction method of the present invention is a reproduction method for reproducing a television program on a mobile phone having two speakers on both sides of a display unit, wherein the reception unit receives a television broadcast signal, and the display unit A display step of displaying a video in a television broadcast signal; and when the two speakers are positioned on the left and right of the video, the audio in the television broadcast signal is reproduced in stereo by the two speakers, and the two speakers are And an audio output step of reproducing the audio in monaural using the two speakers when positioned above and below the video.

この構成によれば、利用者から見て、表示する映像の左右にスピーカが位置する場合に、音声をステレオ出力するので、前記利用者は音声のステレオ効果を享受することができ、また表示する映像の左右以外の方向である上下方向等にスピーカが位置する場合、前記スピーカの少なくとも一方に音声をモノラル出力するので、映像の上方向からステレオ音声に係る右側音声、下方向からステレオ音声に係る左側音声を聞くといった不自然さや、聞き取りにくさを感じることなく、音声を聞くことができる。   According to this configuration, when the speakers are positioned on the left and right of the video to be displayed as viewed from the user, the audio is output in stereo, so that the user can enjoy and display the audio stereo effect. When the speaker is positioned in a vertical direction other than the left and right directions of the video, the audio is monaurally output to at least one of the speakers. You can listen to the audio without feeling unnatural and difficult to hear.

（３）本発明のプログラムは、表示部の両側に２つのスピーカを配した携帯電話機に適用されるプログラムであって、テレビ放送信号を受信する受信ステップと、前記表示部により前記テレビ放送信号中の映像を表示する表示ステップと、前記２つのスピーカが前記映像の左右に位置する場合、前記テレビ放送信号中の音声を前記２つのスピーカでステレオ再生し、前記２つのスピーカが前記映像の上下に位置する場合、前記音声を前記２つのスピーカでモノラル再生する音声出力ステップとの各ステップをコンピュータに実行させる。   (3) The program of the present invention is a program applied to a mobile phone in which two speakers are arranged on both sides of the display unit, and includes a reception step of receiving a television broadcast signal, and the display unit A display step of displaying the video of the video, and when the two speakers are positioned on the left and right of the video, the audio in the TV broadcast signal is reproduced in stereo on the two speakers, and the two speakers are positioned above and below the video. If it is located, it causes the computer to execute each step of the audio output step of monaurally reproducing the audio with the two speakers.

この構成によれば、利用者から見て、表示する映像の左右にスピーカが位置する場合に、音声をステレオ出力するので、前記利用者は音声のステレオ効果を享受することができ、また表示する映像の左右以外の方向である上下方向等にスピーカが位置する場合、前記スピーカの少なくとも一方に音声をモノラル出力するので、映像の上方向からステレオ音声に係る右側音声、下方向からステレオ音声に係る左側音声を聞くといった不自然さや、聞き取りにくさを感じることなく、音声を聞くことができる。   According to this configuration, when the speakers are positioned on the left and right of the video to be displayed as viewed from the user, the audio is output in stereo, so that the user can enjoy and display the audio stereo effect. When the speaker is positioned in a vertical direction other than the left and right directions of the video, the audio is monaurally output to at least one of the speakers. You can listen to the audio without feeling unnatural and difficult to hear.

本発明の最良の形態について、図を参照しながら説明する。
＜１．概要＞
図１は、本発明に係る携帯電話機１の概略を示す図である。 The best mode of the present invention will be described with reference to the drawings.
<1. Overview>
FIG. 1 is a diagram showing an outline of a mobile phone 1 according to the present invention.

携帯電話機１は、電話としての通話を行う電話機能に加え、テレビ放送波を受信するテレビ機能を備える。   The mobile phone 1 has a TV function for receiving TV broadcast waves in addition to a telephone function for making a telephone call.

携帯電話機１の筐体は、表示部１２を備える第１筐体１０と、第１筐体１０に電気的に接続した第２筐体１１とから成る。   The casing of the mobile phone 1 includes a first casing 10 that includes a display unit 12 and a second casing 11 that is electrically connected to the first casing 10.

携帯電話機１は、スライド開閉式の構造を有し、図１（ａ）に示す第１筐体１０と第２筐体１１とが全体的に重なった状態である閉状態と、図１（ｂ）に示す第１筐体１０が第２筐体１１上を平行移動した開状態との２状態を取る。   The mobile phone 1 has a slide opening / closing structure, and is in a closed state in which the first housing 10 and the second housing 11 shown in FIG. The first housing 10 shown in FIG. 2 takes two states, that is, an open state in which the first housing 10 is translated on the second housing 11.

図１（ａ）に示す第１筐体１０の一部であるスライド部２２には突状のレールが備わり、前記突状レールは、第２筐体１１に備わる溝２１と咬み合っており、溝２１に沿ってスライドする。   A slide portion 22 which is a part of the first housing 10 shown in FIG. 1A is provided with a protruding rail, and the protruding rail is engaged with a groove 21 provided in the second housing 11. Slide along the groove 21.

溝２１の一端には、検出スイッチ２３が備わり、携帯電話機１が前記閉状態の場合には、前記突状レールが検出スイッチ２３を押下する。   One end of the groove 21 is provided with a detection switch 23. When the mobile phone 1 is in the closed state, the protruding rail presses the detection switch 23.

携帯電話機１は、検出スイッチ２３が押下されていない場合が、開状態であるとする。   It is assumed that the mobile phone 1 is in an open state when the detection switch 23 is not pressed.

携帯電話機１の利用者は、電話機能を使用する場合やテレビ放送を簡易視聴する場合には、電話機能の操作に必要なキー等により多様な操作が可能であり、また把持し易い前記開状態で携帯電話機１を利用する。   When the user of the cellular phone 1 uses the telephone function or simply watches a television broadcast, the user can perform various operations with keys necessary for the operation of the telephone function, and the open state is easy to hold. The mobile phone 1 is used.

ここで、前記簡易視聴とは、テレビ放送を比較的短い時間視聴することであり、例えば、プロ野球中継における得点のチェック、数分間のニュースの視聴、現在放送中の番組をチェックするためのザッピング視聴等を指す。   Here, the simple viewing means viewing a television broadcast for a relatively short time, for example, checking a score in a professional baseball broadcast, watching a news for several minutes, zapping for checking a program currently being broadcast. Refers to viewing.

また、前記利用者は、プロ野球中継を試合終了まで見る、或いはテレビドラマを視聴する等、長時間に渡りテレビを視聴する場合には、携帯電話機１を前記閉状態にして使用する。   In addition, the user uses the cellular phone 1 in the closed state when watching the television for a long time such as watching the professional baseball broadcast until the end of the game or watching the TV drama.

図２は、携帯電話機１が、受信したテレビ放送を表示部１２に表示している様子を示す図である。   FIG. 2 is a diagram illustrating a state in which the mobile phone 1 displays the received television broadcast on the display unit 12.

図２（ａ）は、前記閉状態の携帯電話機１がテレビ放送を受信し、表示部１２にテレビ映像を映す様子を示している。   FIG. 2A shows a state in which the cellular phone 1 in the closed state receives a television broadcast and displays a television image on the display unit 12.

図２（ｂ）は、前記開状態の携帯電話機１がテレビ放送を受信し、表示部１２にテレビ映像を映す様子を示している。   FIG. 2B shows a state in which the mobile phone 1 in the open state receives a television broadcast and displays a television image on the display unit 12.

表示部１２は、前記開状態においては、表示すべき情報を、縦長画面として表示し、前記閉状態においては、表示すべき情報を、横長画面として表示する。   The display unit 12 displays information to be displayed as a vertically long screen in the open state, and displays information to be displayed as a horizontally long screen in the closed state.

放送局からテレビ放送される映像は、アスペクト比が横長である映像であり、携帯電話機１は、図２（ａ）に示すように表示部１２一杯に映像を映すよう制御する。   The video broadcast from the broadcasting station is a video having an aspect ratio that is horizontally long, and the mobile phone 1 controls to display the video on the display unit 12 as shown in FIG.

横長の映像を前記開状態の携帯電話機１で映す場合には、図２（ｂ）に示すように、前記映像を、図２（ａ）で表示部１２に映されている状態から９０度回転、縮小し、表示部１２に映すこととなり、画面一杯に映像を映すことなく、画面の表示領域を有効利用できない。   When a horizontally long image is projected on the mobile phone 1 in the open state, as shown in FIG. 2B, the image is rotated 90 degrees from the state displayed on the display unit 12 in FIG. Therefore, the image is reduced and displayed on the display unit 12, and the display area of the screen cannot be effectively used without displaying the image on the full screen.

また、前記利用者は、携帯電話機１を使用しない場合は、携帯電話機１を前記閉状態にしておく。   The user keeps the cellular phone 1 in the closed state when not using the cellular phone 1.

第１筐体１０は、表示部１２と、アンテナ１３と、左スピーカ１４と、右スピーカ１５と、イヤホンジャック１８と、テレビキー２０とを備える。   The first housing 10 includes a display unit 12, an antenna 13, a left speaker 14, a right speaker 15, an earphone jack 18, and a TV key 20.

表示部１２は、受信しているテレビ放送や、電話機能による通話時に必要な情報等を表示する液晶ディスプレイ等である。   The display unit 12 is a liquid crystal display or the like for displaying information necessary for a received television broadcast or a telephone call function.

アンテナ１３は、テレビ放送波を受信するアンテナであり、電話機能による通話を行うための無線を送受信するアンテナは、筐体に内蔵されているものとする。   The antenna 13 is an antenna that receives a television broadcast wave, and an antenna that transmits and receives radio for performing a call using a telephone function is built in the housing.

左スピーカ１４は、ステレオ音声の左音声や、モノラル音声の出力を行うためのスピーカである。   The left speaker 14 is a speaker for outputting stereo sound left sound and monaural sound.

右スピーカ１５は、ステレオ音声の右音声の出力を行うためのスピーカである。   The right speaker 15 is a speaker for outputting right sound of stereo sound.

テレビキー２０は、当該携帯電話機１の利用者がテレビの視聴を行うために最低限必要なキーを集めたものであり、テレビ放送受信のオン、オフを切り替えるテレビ機能オンオフキー、受信チャネルを選択するためのチャネルアップダウンキー、テレビ音量の調整を行う音量アップダウンキー等から成る。   The TV key 20 is a collection of minimum keys necessary for the user of the mobile phone 1 to view TV, and selects a TV function ON / OFF key for switching ON / OFF of TV broadcast reception and a reception channel. Channel up / down keys for adjusting the volume, volume up / down keys for adjusting the TV volume, and the like.

第２筐体１１は、マイク１６と、電話キー１７とを備える。   The second housing 11 includes a microphone 16 and a telephone key 17.

マイク１６は、通話時に、利用者が発する音声を集音する。   The microphone 16 collects a voice uttered by the user during a call.

電話キー１７は、通話先の電話番号を入力するためのテンキーや、オンフックキー、オフフックキーなど通話を行うのに必要なキーから成り、前記テンキーは、テレビ機能がオンになっている場合にはテレビ放送受信時のチャネル番号の入力など、テレビの視聴を行うためのキーとしても使用される。   The telephone key 17 includes a numeric keypad for inputting a telephone number of a call destination, a key necessary for performing a call such as an on-hook key, an off-hook key, and the numeric keypad when the TV function is turned on. It is also used as a key for viewing TV, such as inputting a channel number when receiving a TV broadcast.

イヤホンジャック１８には、図１（ｂ）に示すようにイヤホン１９の接続が可能である。   An earphone 19 can be connected to the earphone jack 18 as shown in FIG.

イヤホンジャック１８は、イヤホンが接続された場合及び接続されたイヤホンが抜かれた場合を検出し、また、接続されたイヤホンが、ステレオ用であるかモノラル用であるかを前記イヤホンの接続端子の形状等により識別する。
＜２．構成＞
図３は、携帯電話機１の内部構成を示すブロック図である。 The earphone jack 18 detects when the earphone is connected and when the connected earphone is disconnected, and whether the connected earphone is for stereo or monaural is the shape of the connection terminal of the earphone Identify by etc.
<2. Configuration>
FIG. 3 is a block diagram showing an internal configuration of the mobile phone 1.

表示部１２は、信号処理部２６から入力される、赤色出力信号、緑色出力信号、青色出力信号と、水平、垂直の各同期信号とに基づき、映像表示を行う。   The display unit 12 performs video display based on the red output signal, the green output signal, the blue output signal, and the horizontal and vertical synchronization signals input from the signal processing unit 26.

通信部２２は、アンテナ２１を介して、携帯電話機に関する基地局（図示せず）と、通話のための無線通信を行う。   The communication unit 22 performs wireless communication for a call with a base station (not shown) related to the mobile phone via the antenna 21.

通信部２２は、受信した信号を復調した結果である音声信号を、信号処理部２６に送信する。   The communication unit 22 transmits an audio signal that is a result of demodulating the received signal to the signal processing unit 26.

テレビ放送受信部２３は、地上波デジタル放送チューナであり、チューナ、復調、誤り訂正、デスクランブル、多重信号分離、復号部、ＤＡコンバータ等から成る。   The television broadcast receiving unit 23 is a terrestrial digital broadcast tuner, and includes a tuner, demodulation, error correction, descrambling, multiple signal separation, decoding unit, DA converter, and the like.

テレビ放送受信部２３は、アンテナ１３を介して、放送局（図示せず）が送信した放送波を受信し、受信した放送波から復号した画像フレーム情報、音声信号を信号処理部２６に出力する。   The television broadcast receiving unit 23 receives a broadcast wave transmitted from a broadcast station (not shown) via the antenna 13 and outputs image frame information and audio signal decoded from the received broadcast wave to the signal processing unit 26. .

電話キー情報取得部２４は、前記利用者が電話キー１７を押下したことを検出し、押下されたキーに対応する電話キー情報を取得する。   The telephone key information acquisition unit 24 detects that the user has pressed the telephone key 17 and acquires telephone key information corresponding to the pressed key.

信号処理部２６は、前記利用者が通話している場合、通信部２２から受信した音声信号を、増幅処理を施した後、左スピーカ１４に出力する。   When the user is talking, the signal processing unit 26 performs an amplification process on the audio signal received from the communication unit 22 and then outputs the audio signal to the left speaker 14.

また、信号処理部２６は、マイク１６が集音した入力音声を増幅処理し、通信部２２、アンテナ２１を介して、前記基地局に送信する。   Further, the signal processing unit 26 amplifies the input sound collected by the microphone 16 and transmits it to the base station via the communication unit 22 and the antenna 21.

信号処理部２６は、前記利用者がテレビ放送を視聴する場合、テレビ放送受信部２３から受信した映像信号を、前記映像信号を表示部１２に表示させる。   When the user views a television broadcast, the signal processing unit 26 causes the display unit 12 to display the video signal received from the television broadcast receiving unit 23.

信号処理部２６は、制御部２５からの出力制御指示により、前記左音声信号と前記右音声信号とを、左スピーカ１４と右スピーカ１５とを用いて出力するか、又は前記左音声信号と、前記右音声信号とを合成してモノラル音声とし、左スピーカ１４に出力する。   In response to an output control instruction from the control unit 25, the signal processing unit 26 outputs the left audio signal and the right audio signal using the left speaker 14 and the right speaker 15, or the left audio signal, The right audio signal is synthesized with monaural audio and output to the left speaker 14.

信号処理部２６は、ＶＲＡＭ（Ｖｉｄｅｏ Ｒａｎｄｏｍ Ａｃｃｅｓｓ Ｍｅｍｏｒｙ）とワークＲＡＭとを備える。   The signal processing unit 26 includes a VRAM (Video Random Access Memory) and a work RAM.

信号処理部２６は、テレビ放送受信部２３から画像フレーム情報を取得する。   The signal processing unit 26 acquires image frame information from the television broadcast receiving unit 23.

前記画像フレーム情報は、例えば、ビットマップのように１枚の画像を符号化したものである。   The image frame information is obtained by encoding one image like a bitmap, for example.

信号処理部２６は、取得した画像フレーム情報を、ＶＲＡＭへ書き込む。   The signal processing unit 26 writes the acquired image frame information to the VRAM.

但し、信号処理部２６は、制御部２５から画像を９０度回転させるよう指示を受けている場合には、前記受信した画像フレーム情報が示す画像を９０度回転させた画像をワークＲＡＭを用いて生成し、前記回転させた画像フレーム情報を前記ＶＲＡＭに展開する。   However, when the signal processing unit 26 receives an instruction from the control unit 25 to rotate the image by 90 degrees, the image obtained by rotating the image indicated by the received image frame information by 90 degrees is used using the work RAM. The generated and rotated image frame information is developed in the VRAM.

信号処理部２６は、前記ＶＲＡＭ中の情報に対応する、赤出力信号、緑出力信号、青出力信号と、同期信号とを表示部１２に出力する。   The signal processing unit 26 outputs a red output signal, a green output signal, a blue output signal, and a synchronization signal corresponding to the information in the VRAM to the display unit 12.

開閉切替検出部２７は、検出スイッチ２３が押下されている場合に、携帯電話機１が前記閉状態であると判定し、押下されていない場合には携帯電話機１が前記開状態であると判定し、携帯電話機１のテレビ機能がオンされた場合と、携帯電話機１が前記閉状態から前記開状態に変わった場合と、前記開状態から前記閉状態に変わった場合とに、制御部２５に対し携帯電話機１が閉状態と開状態のいずれであるかを示す開閉情報を送信する。   The open / close switching detection unit 27 determines that the mobile phone 1 is in the closed state when the detection switch 23 is pressed, and determines that the mobile phone 1 is in the open state when the detection switch 23 is not pressed. When the mobile phone 1 is turned on, when the mobile phone 1 changes from the closed state to the open state, and when the mobile phone 1 changes from the open state to the closed state, Open / close information indicating whether the mobile phone 1 is in the closed state or the open state is transmitted.

また、開閉切替検出部２７は、携帯電話機１の電源がオンになった場合にも、携帯電話機１が開状態と閉状態のいずれであるかを検出し、検出結果を開閉情報として、制御部２５に対し出力する。   The open / close switching detection unit 27 also detects whether the mobile phone 1 is in the open state or the closed state even when the power of the mobile phone 1 is turned on, and uses the detection result as the open / close information to control the control unit Is output to 25.

イヤホン検出部２８は、イヤホンジャック１８にイヤホンが接続された場合及び接続されたイヤホンが抜き取られた場合に、イヤホンが接続されているか否か、接続されている場合には当該イヤホンがステレオ音声用であるかアナログ音声用であるかを判定し、前記判定結果に基づきイヤホン無、ステレオ、アナログのいずれかを示すイヤホン情報を、制御部２５に出力する。   The earphone detection unit 28 determines whether the earphone is connected when the earphone is connected to the earphone jack 18 and when the connected earphone is removed. Or earphone information indicating whether there is no earphone, stereo, or analog is output to the control unit 25 based on the determination result.

また、イヤホン検出部２８は、携帯電話機１の電源がオンになった場合にも、上述の通りイヤホンの接続有無、接続されたイヤホンの種類を判定し、判定結果をイヤホン情報として、制御部２５に対し送信する。   In addition, even when the power of the mobile phone 1 is turned on, the earphone detection unit 28 determines the presence / absence of connection of the earphone and the type of the connected earphone as described above, and uses the determination result as the earphone information, and the control unit 25 Send to.

テレビキー情報取得部２９は、前記利用者によるテレビキー２０の押下を検出し押下されたキーに対応するテレビキー情報を取得する。   The TV key information acquisition unit 29 detects pressing of the TV key 20 by the user and acquires TV key information corresponding to the pressed key.

イヤホン出力部３０は、信号処理部２６から出力される音声信号を、イヤホンジャック１８に接続されたイヤホンに対し、出力する。   The earphone output unit 30 outputs the audio signal output from the signal processing unit 26 to the earphone connected to the earphone jack 18.

制御部２５は、開閉切替検出部２７から取得する開閉情報と、イヤホン検出部２８から取得するイヤホン情報とから、音声モード判定処理を行い、判定結果を出力制御情報として、信号処理部２６に出力する。   The control unit 25 performs a sound mode determination process from the open / close information acquired from the open / close switching detection unit 27 and the earphone information acquired from the earphone detection unit 28, and outputs the determination result to the signal processing unit 26 as output control information. To do.

前記音声モード判定処理については、後述する。   The voice mode determination process will be described later.

制御部２５は、受信したテレビキー情報に基づき、テレビ放送受信部２３に対するチューニングの指示、信号処理部２６に対する音声出力のゲイン調整指示、テレビ放送に係る映像の出力指示等を行う。   Based on the received TV key information, the control unit 25 issues a tuning instruction to the TV broadcast receiving unit 23, an audio output gain adjustment instruction to the signal processing unit 26, an output instruction for video related to TV broadcasting, and the like.

制御部２５は、受信したキー情報に応じて、電話機能を動作させるため、通信部２２に対し無線通信を行うよう指示する。   The control unit 25 instructs the communication unit 22 to perform wireless communication in order to operate the telephone function according to the received key information.

制御部２５は、携帯電話機１の主電源がオンされた場合には、イヤホン情報、開閉情報を、初期値として取得しておく。
＜３．動作＞
制御部２５は、音声モード判定処理を、（ａ）テレビ機能がオフからオンに変更された場合、（ｂ）イヤホンの接続、抜き取りを検出した場合、（ｃ）携帯電話機１の開閉状態が変更された場合の３つの場合に行う。 When the main power supply of the mobile phone 1 is turned on, the control unit 25 acquires earphone information and opening / closing information as initial values.
<3. Operation>
The control unit 25 performs the audio mode determination process when (a) the TV function is changed from off to on, (b) when connection or disconnection of the earphone is detected, or (c) the open / close state of the mobile phone 1 is changed. This is done in three cases.

図４は、音声モード判定処理の内容を示すフローチャートである。   FIG. 4 is a flowchart showing the contents of the voice mode determination process.

制御部２５は、前記イヤホン情報がステレオ或いはモノラルを示すか否かを判定する（Ｓ４０１）。   The control unit 25 determines whether the earphone information indicates stereo or monaural (S401).

制御部２５は、前記イヤホン情報がイヤホン無を示す場合（Ｓ４０１：ＮＯ）、Ｓ４０２に進む。   When the earphone information indicates no earphone (S401: NO), the control unit 25 proceeds to S402.

制御部２５は、前記イヤホン情報がステレオ或いはモノラルを示す場合（Ｓ４０１：ＹＥＳ）、左スピーカ１４及び右スピーカ１５への音声出力を停止するスピーカミュートを示す出力制御指示を信号処理部２６に送信し（Ｓ４０５）、前記イヤホン情報がステレオを示す場合（Ｓ４０６：ＹＥＳ）、イヤホンステレオ出力を示す出力制御指示を信号処理部２６に送信する（Ｓ４０７）。   When the earphone information indicates stereo or monaural (S401: YES), the control unit 25 transmits to the signal processing unit 26 an output control instruction indicating speaker mute for stopping sound output to the left speaker 14 and the right speaker 15. (S405) When the earphone information indicates stereo (S406: YES), an output control instruction indicating earphone stereo output is transmitted to the signal processing unit 26 (S407).

前記イヤホン情報がモノラルを示す場合（Ｓ４０６：ＮＯ）、イヤホンモノラル出力を示す出力制御指示を信号処理部２６に対し送信する（Ｓ４０８）。   When the earphone information indicates monaural (S406: NO), an output control instruction indicating earphone monaural output is transmitted to the signal processing unit 26 (S408).

制御部２５は、前記開閉情報が開状態を示す場合（Ｓ４０２：ＹＥＳ）、信号処理部２６に対し左スピーカモノラル出力を示す出力制御指示を出力する（Ｓ４０４）。   When the opening / closing information indicates an open state (S402: YES), the control unit 25 outputs an output control instruction indicating the left speaker monaural output to the signal processing unit 26 (S404).

前記開閉状態が閉状態を示す場合（Ｓ４０２：ＮＯ）、信号処理部２６に対し、両スピーカステレオ出力を示す出力制御指示を信号処理部２６に対し出力する（Ｓ４０３）。   If the open / close state indicates a closed state (S402: NO), an output control instruction indicating both speaker stereo outputs is output to the signal processing unit 26 (S403).

なお、制御部２５は、電話機能がオンになった場合には、イヤホン情報がイヤホン無しを示すか否かを判定する。
イヤホン情報が、イヤホン無しを示す場合左スピーカ出力を示す出力制御情報を信号処理部２６に対し送信し、イヤホン情報がモノラル及びステレオを示す場合には、イヤホンモノラル出力を示す出力制御指示を信号処理部２６に対し送信する。 When the telephone function is turned on, the control unit 25 determines whether or not the earphone information indicates no earphone.
When the earphone information indicates no earphone, output control information indicating the left speaker output is transmitted to the signal processing unit 26. When the earphone information indicates monaural and stereo, an output control instruction indicating the earphone monaural output is signal processed. It transmits to the part 26.

信号処理部２６は、制御部２５から受信した出力制御指示に従い、音声出力を行う。
＜４．変形例＞
なお、本発明を上記の実施の形態に基づいて説明してきたが、本発明は、上記の実施の形態に限定されないのはもちろんである。
以下のような場合も本発明に含まれる。 The signal processing unit 26 performs audio output according to the output control instruction received from the control unit 25.
<4. Modification>
Although the present invention has been described based on the above-described embodiment, it is needless to say that the present invention is not limited to the above-described embodiment.
The following cases are also included in the present invention.

本発明について、スライド式で開閉する携帯電話機の例で説明してきたが、映像を所定の角度回転させるなどしてスピーカの位置と、映像の上下との対応関係が変化するように構成されてあれば、本発明の適用は可能である。   Although the present invention has been described with reference to an example of a mobile phone that opens and closes in a sliding manner, the correspondence between the position of the speaker and the top and bottom of the image may be changed by rotating the image by a predetermined angle. For example, the present invention can be applied.

図５は、回転式構造を有する携帯電話機の概略を示す図である。   FIG. 5 is a diagram showing an outline of a mobile phone having a rotary structure.

例えば、図５（ａ）及び（ｂ）に示す携帯電話機のように、第１筐体１０１が、第２筐体１０２に対して９０度回転する回転式の構造を有してもよい。   For example, like the mobile phone shown in FIGS. 5A and 5B, the first casing 101 may have a rotary structure that rotates 90 degrees with respect to the second casing 102.

図５に示す携帯電話機においては、第１筐体１０１が回転したような図５（ａ）で示した状態が前記閉状態に相当し、左スピーカ１０４及び右スピーカ１０５が、ステレオ音声を出力する。   In the mobile phone shown in FIG. 5, the state shown in FIG. 5A where the first housing 101 is rotated corresponds to the closed state, and the left speaker 104 and the right speaker 105 output stereo sound. .

図５（ｂ）で示した状態は前記開状態に相当し、ステレオ音声をモノラル音声に変換した後、左スピーカ１０４又は右スピーカ１０５の少なくとも一方から前記モノラル信号を出力する。   The state shown in FIG. 5B corresponds to the open state, and after the stereo sound is converted into monaural sound, the monaural signal is output from at least one of the left speaker 104 or the right speaker 105.

また、水平及び垂直ジャイロセンサーにより、携帯電話機の姿勢を検出し、利用者から見て、２つのスピーカが表示部の左右に位置する場合と、表示部の上下に位置する場合とを検出する構成としてもよい。   Also, a configuration in which the orientation of the mobile phone is detected by the horizontal and vertical gyro sensors, and when the two speakers are positioned on the left and right of the display unit and on the top and bottom of the display unit as viewed from the user It is good.

本発明に係る携帯電話機１の概略を示す図である。It is a figure which shows the outline of the mobile telephone 1 which concerns on this invention. 携帯電話機１が、テレビ放送を受信し、表示部１２に表示している様子を示す図である。4 is a diagram showing a state in which the mobile phone 1 receives a television broadcast and displays it on a display unit 12. FIG. 携帯電話機１の内部構成を示すブロック図である。2 is a block diagram showing an internal configuration of a mobile phone 1. FIG. 音声モード判定処理の内容を示すフローチャートである。It is a flowchart which shows the content of the audio | voice mode determination process. 回転式構造を有する携帯電話機の概略を示す図である。It is a figure which shows the outline of the mobile telephone which has a rotary structure.

符号の説明Explanation of symbols

１ 携帯電話機
１０ 第１筐体
１１ 第２筐体
１２ 表示部
１４ 左スピーカ
１５ 右スピーカ
１７ 電話キー
２０ テレビキー
２１ 溝
２３ 検出スイッチ DESCRIPTION OF SYMBOLS 1 Cellular phone 10 1st housing | casing 11 2nd housing | casing 12 Display part 14 Left speaker 15 Right speaker 17 Telephone key 20 TV key 21 Groove 23 Detection switch

Claims (3)

テレビ放送信号を受信する受信手段と、
前記テレビ放送信号中の映像を表示する表示部と、
前記表示部の両側に配された２つのスピーカと、
前記２つのスピーカが前記映像の左右に位置する場合、前記テレビ放送信号中の音声を前記２つのスピーカでステレオ再生し、前記２つのスピーカが前記映像の上下に位置する場合、前記音声を前記２つのスピーカでモノラル再生する音声出力手段と
を備えることを特徴とする携帯電話機。 Receiving means for receiving a television broadcast signal;
A display unit for displaying video in the TV broadcast signal;
Two speakers arranged on both sides of the display unit;
When the two speakers are positioned on the left and right of the video, the audio in the TV broadcast signal is reproduced in stereo on the two speakers, and when the two speakers are positioned above and below the video, the audio is An audio output means for monaural reproduction with two speakers. 表示部の両側に２つのスピーカを配した携帯電話機においてテレビ番組を再生する再生方法であって、
テレビ放送信号を受信する受信ステップと、
前記表示部により前記テレビ放送信号中の映像を表示する表示ステップと、
前記２つのスピーカが前記映像の左右に位置する場合、前記テレビ放送信号中の音声を前記２つのスピーカでステレオ再生し、前記２つのスピーカが前記映像の上下に位置する場合、前記音声を前記２つのスピーカでモノラル再生する音声出力ステップと
を含むことを特徴とする再生方法。 A playback method for playing a TV program on a mobile phone having two speakers on both sides of a display unit,
A receiving step for receiving a television broadcast signal;
A display step of displaying video in the television broadcast signal by the display unit;
When the two speakers are positioned on the left and right of the video, the audio in the TV broadcast signal is reproduced in stereo on the two speakers, and when the two speakers are positioned above and below the video, the audio is An audio output step of monaural reproduction with two speakers. 表示部の両側に２つのスピーカを配した携帯電話機に適用されるプログラムであって、
テレビ放送信号を受信する受信ステップと、
前記表示部により前記テレビ放送信号中の映像を表示する表示ステップと、
前記２つのスピーカが前記映像の左右に位置する場合、前記テレビ放送信号中の音声を前記２つのスピーカでステレオ再生し、前記２つのスピーカが前記映像の上下に位置する場合、前記音声を前記２つのスピーカでモノラル再生する音声出力ステップと
の各ステップをコンピュータに実行させるプログラム。 A program applied to a mobile phone having two speakers on both sides of a display unit,
A receiving step for receiving a television broadcast signal;
A display step of displaying video in the television broadcast signal by the display unit;
When the two speakers are positioned on the left and right of the video, the audio in the TV broadcast signal is reproduced in stereo on the two speakers, and when the two speakers are positioned above and below the video, the audio is A program that causes a computer to execute each step of audio output with monaural playback using two speakers.
JP2003366952A 2003-10-22 2003-10-28 Mobile phone, reproducing method, and program Pending JP2005136457A (en)

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KR1020067009892A KR101124826B1 (en) 2003-10-22 2004-10-19 Mobile telephone apparatus, display method, and computer readable recording medium having program
US10/576,464 US20070265031A1 (en) 2003-10-22 2004-10-19 Mobile Phone, Display Method, and Computer Program
PCT/JP2004/015761 WO2005039157A1 (en) 2003-10-22 2004-10-19 Mobile telephone apparatus, display method, and program

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