WO2004066524A1 - 携帯電話機 - Google Patents
携帯電話機 Download PDFInfo
- Publication number
- WO2004066524A1 WO2004066524A1 PCT/JP2004/000410 JP2004000410W WO2004066524A1 WO 2004066524 A1 WO2004066524 A1 WO 2004066524A1 JP 2004000410 W JP2004000410 W JP 2004000410W WO 2004066524 A1 WO2004066524 A1 WO 2004066524A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- audio
- voice
- decoding
- unit
- encoding
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
- H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
- H04M19/041—Encoding the ringing signal, i.e. providing distinctive or selective ringing capability
Definitions
- the present invention relates to a mobile phone having a recording / reproducing function, and more particularly, to a mobile phone capable of using recorded voice as a ring tone.
- Patent Document 1 JP-A-2000-324228
- the function of decoding recorded voice data is also performed by a DSP (Digital Signal Processor) that performs communication control functions such as base station selection.
- DSP Digital Signal Processor
- base station selection When used as a ring tone, if the base station is switched (switching the communication channel) while the ring tone is being played, that is, while the voice data is being decoded, the ring tone will be interrupted. This is because when the base station is switched, the DSP is reset, and at that point the decoding of the audio data is stopped. Also, if the ring tone is to be re-ringed after the base station is switched, all the settings for the DSP need to be reset, and the sound will be interrupted.
- the present invention has been made in order to solve the above-mentioned problems of the conventional technology. It is an object of the present invention to provide a mobile phone capable of avoiding interruption of a ring tone even when a base station is switched during the process.
- a mobile phone of the present invention comprises: a sound pickup means for picking up an external sound; a sound coding means for coding a sound signal picked up by the sound pickup means; Encoded data storage means for storing audio data encoded by the audio encoding means; audio decoding means for decoding audio data stored in the encoded data storage means; and the audio decoding means
- a ring tone output unit that outputs the voice data decoded by the unit as a ring tone
- a communication control unit that switches between base stations.
- a circuit block that functions as the voice decoding unit as the communication control unit This is configured to be provided in another circuit block which does not depend on the operation of.
- the external sound is picked up by the sound pickup means, and the sound signal is encoded into sound data by the sound encoding means and stored (recorded) in the encoded data storage means.
- the voice data stored in the coded data storage means is decoded into a voice signal by the voice decoding means, and output as a ring tone by the ring tone output means.
- the function of the audio decoding means is assigned to another circuit block that does not depend on the operation of the circuit block functioning as the communication control means. There is no interruption in the ringtone.
- this mobile phone it is possible to use an external voice such as a user's voice as a ringtone, and to avoid interruption of the ringtone even when channel switching occurs during reproduction of the ringtone. it can.
- another mobile phone includes: a recording unit for recording a voice signal of a call partner; a voice coding unit for coding a voice signal recorded by the recording unit; and a coding unit for coding by the voice coding unit.
- Encoded data storage means for storing the encoded audio data
- audio decoding means for decoding the audio data stored in the encoded data storage means
- a ring tone for the audio data decoded by the audio decoding means.
- a ring tone output means for outputting as a call, a communication control means for selecting and switching a base station, Wherein the function of the audio decoding means is provided in another circuit block which does not depend on the operation of the circuit block functioning as the communication control means.
- the voice of the other party is recorded by the recording means, and the voice signal is coded into voice data by the voice coding means and stored in the coded data storage means.
- the voice data stored in the encoded data storage means is decoded into a voice signal by the voice decoding means, and output as a ring tone by the ring tone output means.
- the function of the audio decoding means is assigned to another circuit block that does not depend on the operation of the circuit block functioning as the communication control means. Therefore, there is no interruption of the ring tone.
- the voice of the other party can be used as the ring tone, and even if the channel is changed during the reproduction of the ring tone, the ring tone can be prevented from being interrupted.
- the audio encoding unit encodes an input audio signal by an ADPCM system
- the audio decoding unit decodes the input audio data by an ADPCM system.
- the data amount of the audio data can be reduced, so that the memory capacity required for the encoded data storage means can be suppressed.
- the mobile phone of the present invention further includes a noise component removing unit that removes a noise component of the audio signal input to the audio encoding unit.
- a noise component removing unit that removes a noise component of the audio signal input to the audio encoding unit.
- a scale adjusting means for adjusting a scale of an audio signal inputted to the audio encoding means is provided.
- the sound quality of the recorded ringtone can be freely changed, thereby increasing the user's enjoyment.
- FIG. 1 is a block diagram showing a first embodiment of the mobile phone of the present invention
- FIG. 2 is a block diagram showing a second embodiment of the mobile phone of the present invention.
- 100 denotes a mobile phone
- 110 denotes a wireless communication unit
- 120 denotes a DSP unit (recording means)
- 121 denotes a communication control unit (communication control means)
- 122 denotes a digital audio signal.
- Processing section 123 is a voice processing section, 123 a is a scale shifter section (scale adjustment means), 123 b is a voice optimization section (noise component removing means), 124 is a volume scale setting section, 130 Is a voice processing unit, 13 1 is a transmission voice input terminal, 1 32 is a playback voice output terminal, 135 is an AD converter, 136 is a voice output circuit, 140 is a voice encoding / decoding unit, 141 is Encoding section (speech encoding means), 142 is a decoding section (speech decoding means), 150 is a storage section, 150a is a reception voice data storage area (recording means), and 150b is an ADP CM coded data storage An area (encoded data storage means), 180 is a microphone (sound pickup means), 181 is a speaker (ringtone output means), and 200 is a mobile phone.
- FIG. 1 is a block diagram showing a first embodiment of the mobile phone of the present invention.
- the mobile phone 100 includes a wireless communication unit 110, a DSP unit 120, an audio processing unit 130, an audio encoding / decoding unit 140, a storage unit 150, a display unit 160, and an operation unit 170. I have.
- the wireless communication unit 110 includes an antenna 110a and wirelessly communicates with a base station (not shown). That is, radio communication section 110 generates a radio signal by superimposing the transmission voice signal on the carrier wave, and transmits the radio signal to the base station via antenna 110a. Further, radio communication section 110 receives a radio signal transmitted from the base station via antenna 110a and demodulates to obtain a received voice signal.
- the DSP unit 120 includes a communication control unit 121 and a digital audio signal processing unit 122.
- the communication control unit 121 controls the wireless communication unit 110 to perform processing such as base station switching (hereinafter, referred to as channel switching), incoming call detection, call connection Z disconnection, and the like. Further, the communication control unit 121 receives the call received by the wireless communication unit 110. It also has the function of converting the audio signal into digital audio data (received audio data) in a format that can be stored in the storage unit 150 and outputting it to the storage unit 150.
- the digital audio signal processing unit 122 converts the digital audio data (received audio data) from the storage unit 150 into data in a format that can be processed by the audio encoding / decoding unit 140.
- the audio processing unit 130 has a transmission audio input terminal 131, and a plurality of reproduction audio output terminals 1332.
- a microphone 180 for picking up an external voice such as a user's voice is connected to the transmission voice input terminal 13 1.
- a speaker 18 1 is fixedly connected to one of the plurality of playback audio output terminals 13 2.
- Earphones 182 and on-vehicle audio equipment 183 are connected to the other reproduced sound output terminals 132 as needed.
- An A / D converter 135 is provided in the audio processing unit 130, and the analog audio signal picked up by the microphone 180 is converted into digital audio data (pickup sound) by the A / D converter 135. Data) and output to the voice encoding / decoding unit 140.
- the audio processing unit 130 also has an audio output circuit that distributes the reproduced analog audio signal sent from the audio encoding / decoding unit 140 to a plurality of reproduced audio output terminals 132 and outputs the audio signal. 1 3 6 are provided.
- the audio encoding / decoding section 140 has an encoding section 141 and a decoding section 142.
- the encoding unit 141 encodes digital audio data from the DSP unit 120 and the audio processing unit 130 into ADPCM linear data (hereinafter referred to as ADPCM encoded data) ( ⁇ - 1 aw ⁇ linear conversion) and output to the storage unit 150.
- Decoding section 144 decodes the ADPCM encoded data from storage section 150 into an analog audio signal and outputs the analog audio signal to audio processing section 130.
- the storage section 150 has a received voice data storage area 150a for storing digital voice data from the DSP section 120, and ADPCM coding from the voice coding / decoding section 140.
- An ADPCM encoded data storage area 150b for storing data is provided.
- the display section 160 displays information on the state of the mobile phone 100 (radio wave state, remaining battery power, etc.), various menu screens, various input screens, and the like.
- the operation unit 170 includes an on-hook button, an off-hook button, a dial button, a direction instruction button, an execution button, and various function selection buttons.
- the various function selection buttons include an external voice ringtone button ⁇ a received voice ringtone button, and the like.
- the above-described wireless communication unit 110, DSP unit 120, audio processing unit 130, audio encoding / decoding unit 140, and storage unit 150 are each configured by a separate circuit block (IC chip). Therefore, even if the DSP unit 120 is reset, the operation of the voice encoding / decoding unit 140 is not affected at all.
- the operation of the mobile phone 100 according to the first embodiment configured as described above will be described. Since the call function of the mobile phone 100 is the same as that of a general telephone, a description thereof will be omitted.
- the function of picking up an external voice such as a user's voice and using it as a ringtone, and the voice of the other party, that is, Only the function that uses the received voice as the ringtone will be described.
- a function of picking up an external sound such as a user sound by the microphone 180 is activated.
- the analog audio signal picked up by the microphone 180 is converted into digital audio data by the AD converter 135 in the audio processing unit 130, and then converted by the encoding unit 141 in the audio encoding / decoding unit 140.
- the data is coded by the ADP CM method and stored in the ADPCM coded data storage area 150b in the storage unit 150.
- the voice of the other party received by the wireless communication unit 110 is stored in the receiving voice data storage area 150a in the storage unit 150.
- the function (voice memory function) is activated.
- the received voice data from the wireless communication unit 110 is converted into digital voice data of a predetermined format by the communication control unit 121 in the DSP unit 120 and stored in the received voice data storage area 150a of the storage unit 150. Will be saved.
- the digital voice data stored in the received voice data storage area 150a is converted into data of a predetermined format by the digital voice signal processing section 122 in the DSP section 120 after the call is completed, and then voice encoded.
- the data is coded by the ADPCM method by 1 and stored in the AD PCM coded data storage area 150b in the storage unit 150.
- the ADPCM encoded data stored in the ADPCM encoded data storage area 150b in the storage unit 150 is read. Then, it is sent to the decoding unit 142 in the audio encoding / decoding unit 140.
- the ADP CM encoded data is sequentially decoded into an analog audio signal by the decoding unit 142, and is output as a ringtone from the speaker 181, etc., via the audio output circuit 136 in the audio processing unit 130. This ring tone reproduction operation is continued until the off-hook button of the operation unit 170 is pressed or the answering machine function is activated.
- the external sound picked up during the non-call state or the sound of the other party recorded during the call can be used as the ring tone.
- the decoding operation of the ADP CM encoded data by the voice encoding / decoding unit 140 is not affected by the reset operation due to the asynchronous operation of the DSP unit 120 due to the structure of the circuit block. Even when channel switching occurs, interruption of the ringtone can be avoided.
- the adoption of the ADPCM method as the audio signal encoding / decoding method in the audio encoding / decoding unit 140 minimizes the amount of audio data to be stored.
- the memory capacity can be reduced. Therefore, an increase in the memory capacity of the storage unit 150 due to the conversion of the external voice to the incoming voice into a ring tone can be minimized, and an increase in component cost can be suppressed.
- FIG. 2 is a block diagram showing a second embodiment of the mobile phone of the present invention.
- This mobile phone 200 includes a voice processing unit 123 and a volume scale setting unit 124 in addition to the configuration of the first embodiment shown in FIG.
- the digital audio data from the audio processing unit 130 is input to the audio encoding / decoding unit 140 via the audio processing unit 123.
- the audio processing unit 123 is formed as a part of the digital audio signal processing unit 122 in the DSP unit 120, and is used to process digital audio data input to the audio encoding / decoding unit 140. It has a scale shifter section 123 a for adjusting the scale, and a sound optimization section 123 b for performing volume adjustment, equalizer adjustment, and noise component removal.
- the scale shifter 1 2 3 a performs frequency conversion (scale shift) processing on the input digital audio data in accordance with the scale setting value instructed by the volume scale setting section 1 24. Is passed to the voice optimizing unit 1 2 3 b. By the frequency conversion process, the scale of the original voice is shifted to the higher frequency side (in the case of + side setting) or the lower frequency side (in the case of one side setting).
- the sound optimization section 1 2 3 b adds and subtracts the volume data to the digital audio data from the scale shifter section 1 2 3 a according to the volume setting value instructed by the volume scale setting section 1 2 4 (volume Performs processing, deletes data below a certain volume level (removes noise components), and outputs the processed data to the coding section 144 of the voice coding and decoding section 140. .
- the volume scale setting section 124 receives the operation signal from the operation section 170 as input, and instructs the sound processing section 123 to set the volume and scale according to the operation signal.
- the set values of volume and scale are displayed on the display section 160.
- the user adjusts the set value of the recording volume while checking the recording volume on the display section 160.
- the setting value of the recording volume even if the volume of the external voice / received voice is too high or low, the volume data of the digital voice data to be recorded can be properly adjusted.
- the set value of the scale the sound quality of the digital audio data to be recorded can be changed to a sound quality different from the original sound.
- the display unit 160 displays the scale setting operators such as "10-shift J,”"oneshift,””malevoice,””femalevoice,” and "child voice.”
- the icon appears.
- the selection of the icon can be performed by the user operating a direction instruction button or the like of the operation unit 170, and an instruction for confirming the selection can be given by the execution button.
- the scale of the original voice can be arbitrarily shifted to the higher or lower frequencies.
- “man's By instructing “voice”, “female voice”, or “child voice”, the scale of the original voice can be shifted to a higher frequency range or a lower frequency range by a predetermined shift amount.
- a non-calling state after setting the volume and scale by operating predetermined buttons on the operation unit 170 and pressing the external voice ringing button, external voices such as the user's voice are picked up by the microphone 180.
- the sound function is activated.
- the analog audio signal picked up by the microphone 180 is converted into digital audio data by the AD converter 135 in the audio processing unit 130, and then input to the audio processing unit 123.
- the audio processing unit 123 adjusts the scale of the input digital audio data by the scale shifter 123 b and the volume adjustment, equalizer adjustment, and noise component by the sound optimization unit 123 a. Removal is performed.
- the digital audio data output from the audio processing unit 123 is encoded by the encoding unit 141 in the audio encoding / decoding unit 140 in the ADPCM system, and is stored in the storage unit 150. Is stored in the ADPCM encoded data storage area 150b.
- the other party received by the wireless communication unit 110 will be pressed.
- the function (sound memory function) for storing the sound in the receiving sound data storage area 150a of the storage unit 150 ⁇ becomes active.
- the received voice data from the wireless communication unit 110 is converted into digital voice data of a predetermined format by the communication control unit 121 in the DSP unit 120, and the received voice data storage area of the storage unit 150 is stored. Stored in 150 a.
- the digital voice data stored in the received voice data storage area 150a is input to the voice processing unit 123 after the call is completed.
- the audio processing unit 123 adjusts the scale of the input digital audio data using the scale shifter unit 123 b, and adjusts the volume, equalizer adjustment, and noise component removal using the audio optimization unit 123 a. Is applied. Then, the digital audio data output from the audio processing 04000410
- the data is encoded by the encoding unit 141 in the encoding / decoding unit 140 according to the ADP CM method, and is stored in the ADP CM encoded data storage area 150 b in the storage unit 150.
- the voice data of the external voice or the received voice that has been subjected to the scale adjustment and the volume adjustment as described above is converted into the ADPCM encoded data in the storage unit 150 at the time of the incoming call, as in the first embodiment.
- the voice optimizing unit 123b for removing the noise component of the digital voice data input to the voice encoding / decoding unit 140 is provided. Can be recorded and played back.
- the sound quality of the ringtone using the external voice and the received voice can be freely controlled. Since it can be changed to, the enjoyment of the user can be increased.
- the volume of the audio data to be recorded is set by the user operating the operation unit 170.
- the volume of the input audio data is set before the audio optimization unit 123b. May be provided, and even if the volume of the input voice data changes, the voice optimization unit 123b may automatically adjust so that the recording volume is always constant.
- the encoding method in the audio encoding / decoding unit 140 is not limited to ⁇ - ⁇ aw ⁇ linear conversion.
- the wireless communication unit 110, the audio processing unit 130, the audio encoding / decoding unit 140, and the storage unit 150 may be configured by the same circuit block (IC chip).
- an external voice or the voice of the other party can be used as a ring tone, and even if a base station is switched while the ring tone is being reproduced, the ring tone sounds. Breaks can be avoided.
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Function (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005508085A JPWO2004066524A1 (ja) | 2003-01-23 | 2004-01-20 | 携帯電話機 |
US10/523,905 US20050272407A1 (en) | 2003-01-23 | 2004-01-23 | Mobile telephone |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003015086 | 2003-01-23 | ||
JP2003-015086 | 2003-01-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004066524A1 true WO2004066524A1 (ja) | 2004-08-05 |
Family
ID=32767425
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/000410 WO2004066524A1 (ja) | 2003-01-23 | 2004-01-20 | 携帯電話機 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20050272407A1 (ja) |
JP (1) | JPWO2004066524A1 (ja) |
CN (1) | CN1701532A (ja) |
WO (1) | WO2004066524A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010144727A (ja) * | 2008-12-22 | 2010-07-01 | General Electric Co <Ge> | ロータブレード健全性を監視するためのシステム及び方法 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080152111A1 (en) * | 2006-12-26 | 2008-06-26 | Motorola, Inc. | Handling of incoming calls |
US8577057B2 (en) | 2010-11-02 | 2013-11-05 | Robert Bosch Gmbh | Digital dual microphone module with intelligent cross fading |
AU2021205882A1 (en) * | 2020-01-06 | 2022-07-21 | Cubic Corporation | Chirp signal filtering for digital gateway |
Citations (4)
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JP2000036852A (ja) * | 1998-07-17 | 2000-02-02 | Toshiba Corp | 電話装置 |
JP2000316038A (ja) * | 1999-04-30 | 2000-11-14 | Kenpakku:Kk | 着信音発生装置 |
JP2001125567A (ja) * | 1999-10-28 | 2001-05-11 | Matsushita Electric Ind Co Ltd | 電話装置及び電話装置における着信音作成/発音方法 |
JP2002057803A (ja) * | 2000-08-10 | 2002-02-22 | Matsushita Electric Works Ltd | 拡声通話システム |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2594202B2 (ja) * | 1992-02-25 | 1997-03-26 | 三洋電機株式会社 | デジタル信号処理装置 |
US5745523A (en) * | 1992-10-27 | 1998-04-28 | Ericsson Inc. | Multi-mode signal processing |
JP3426727B2 (ja) * | 1994-09-13 | 2003-07-14 | 株式会社東芝 | デュアルモード形無線通信装置 |
US5802467A (en) * | 1995-09-28 | 1998-09-01 | Innovative Intelcom Industries | Wireless and wired communications, command, control and sensing system for sound and/or data transmission and reception |
KR19980057462A (ko) * | 1996-12-30 | 1998-09-25 | 김광호 | 휴대전화기에서 통화품질 악화시 재다이얼 방법 |
JPH10304030A (ja) * | 1997-04-28 | 1998-11-13 | Saitama Nippon Denki Kk | 携帯電話装置 |
US6037810A (en) * | 1997-08-26 | 2000-03-14 | Advanced Mirco Devices, Inc. | Electronic system having a multistage low noise output buffer system |
JPH11220518A (ja) * | 1998-01-30 | 1999-08-10 | Matsushita Electric Ind Co Ltd | 携帯電話機 |
US6768914B1 (en) * | 1998-08-31 | 2004-07-27 | Skyworks Solutions, Inc. | Full-duplex speakerphone with wireless microphone |
US6418330B1 (en) * | 1998-09-14 | 2002-07-09 | Samsung Electronics, Co., Ltd. | Device and method for generating various ring tones in radio terminal |
US6535111B2 (en) * | 2001-07-26 | 2003-03-18 | Ching-Tien Tsai | Wave-discriminating inductive electronic device |
-
2004
- 2004-01-20 WO PCT/JP2004/000410 patent/WO2004066524A1/ja active Application Filing
- 2004-01-20 JP JP2005508085A patent/JPWO2004066524A1/ja not_active Withdrawn
- 2004-01-20 CN CN200480000756.0A patent/CN1701532A/zh active Pending
- 2004-01-23 US US10/523,905 patent/US20050272407A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000036852A (ja) * | 1998-07-17 | 2000-02-02 | Toshiba Corp | 電話装置 |
JP2000316038A (ja) * | 1999-04-30 | 2000-11-14 | Kenpakku:Kk | 着信音発生装置 |
JP2001125567A (ja) * | 1999-10-28 | 2001-05-11 | Matsushita Electric Ind Co Ltd | 電話装置及び電話装置における着信音作成/発音方法 |
JP2002057803A (ja) * | 2000-08-10 | 2002-02-22 | Matsushita Electric Works Ltd | 拡声通話システム |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010144727A (ja) * | 2008-12-22 | 2010-07-01 | General Electric Co <Ge> | ロータブレード健全性を監視するためのシステム及び方法 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2004066524A1 (ja) | 2006-05-18 |
US20050272407A1 (en) | 2005-12-08 |
CN1701532A (zh) | 2005-11-23 |
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