CN101282125A - Mobile terminal with FM sound-recording function as well as sound-recording method thereof - Google Patents
Mobile terminal with FM sound-recording function as well as sound-recording method thereof Download PDFInfo
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- CN101282125A CN101282125A CNA2008100375350A CN200810037535A CN101282125A CN 101282125 A CN101282125 A CN 101282125A CN A2008100375350 A CNA2008100375350 A CN A2008100375350A CN 200810037535 A CN200810037535 A CN 200810037535A CN 101282125 A CN101282125 A CN 101282125A
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Abstract
The present invention discloses a mobile terminal which has an FM sound recording function and comprises a DSP chip that is used for MP3 coding and a second memory. The second memory is connected with the DSP chip through the data wire and is used for storing the MP3 file generated by the DSP chip. The invention also discloses a recording method which is used for the mobile terminal that has the FM sound recording function. The method comprises the following steps: step A1, receiving an audio analog signal of the FM chip by the DSP chip; step A2, converting to a digital signal by the DSP chip; step A3, executing MP3 coding by the DSP chip; step A4, storing the data to the second memory by the DSP chip; step A5, repeating the coding steps from step A1 to step A4; and step A6, generating the MP3 file. The mobile terminal according to the invention realizes the functions of recording the content received by the FM on the mobile phone to the MP3 format file and storing.
Description
Technical field
The present invention relates to portable terminal, the particularly a kind of portable terminal and way of recording thereof with frequency modulation (frequencymodulation is hereinafter to be referred as FM) sound-recording function.
Background technology
Because the portability of mobile phone, a lot of people listen to the FM program by mobile phone in the life, but busier sometimes, have no time to listen to.For fear of missing the FM program of oneself liking, the FM electrical transcription of listening on the mobile phone also can be preserved, so just can listen to the time marquis of free time.Also sometimes in the program that uppick oneself enjoys a lot, can record it and preserve, can appreciate repeatedly later on.
File format has the characteristics that tonequality is good, compression ratio is high, be easy to play, and present most of mobile phone is all supported the MP3 playing function owing to MP3 (English full name is MPEG Audio Layer3).With the mp3 file that records, can play on the mobile phone that MP3 plays supporting, also can copy by transfer of data, on having the mobile phone, MP3 player, PC of MP3 playing function, other plays.So under file of on the mobile phone FM being recorded into MP3 format and preservation is a very practical function.
Summary of the invention
For overcoming the deficiency of above-mentioned prior art, the technical problem to be solved in the present invention provides the method that a kind of FM records into mp3 file, has realized the function that the content that FM on the mobile phone receives is recorded into the MP3 format file and preserved.
For solving the problems of the technologies described above, technical scheme of the present invention is:
A kind of portable terminal with FM sound-recording function comprises baseband chip, first memory, FM chip, input equipment, display device and loud speaker,
Described baseband chip links to each other with described first memory, and this first memory is as program storage;
Described baseband chip links to each other with described FM chip, and this baseband chip provides the control command of opening or finishing FM radio reception for this FM chip, and this FM chip is used to receive FM broadcasting, and this FM chip also links to each other with described loud speaker;
Described portable terminal also comprises dsp chip and the second memory that is used for the MP3 coding, and this second memory links to each other by data wire with this dsp chip, and this second memory is used to store the mp3 file that this dsp chip generates;
This dsp chip links to each other with described baseband chip, and this baseband chip is used to this dsp chip that the control command of opening or finishing the FM recording is provided;
The data output end of described FM chip also links to each other with the data input pin of described dsp chip, and this dsp chip receives the audio analog signals of this FM chip by its data input pin.
Described baseband chip adopts the SPREADTRUM 6600D chip of spreadtrum company.
Described FM chip is the RDA5800C chip of sharp Di Ke Microtronics A/S, or the Si4700 chip of Silicon Labs Cp Inc..
Described dsp chip adopts the AIT706 chip of Alpha Imaging Technology Corp..
Described first memory is NOR FLASH, and described second memory is T FLASH.
Described input equipment comprises keyboard and touch-screen, and described display device is a LCDs.
A kind of way of recording that is applied to as the portable terminal of the above-mentioned FM of having sound-recording function may further comprise the steps:
The instruction that step 3, described baseband chip transmit this unlatching FM sound-recording function to described dsp chip, thus this dsp chip starts the function of FM radio reception content being recorded into the MP3 format file, and this recording process may further comprise the steps again:
Steps A .1: described dsp chip receives the audio analog signals of described FM chip;
Steps A .2: described dsp chip converts the simulated audio signal that receives to digital signal by its inner analog to digital converter, and deposits among the inside FIFO of this dsp chip;
Steps A .3: the MP3 encoder of described dsp chip takes out digital signal in described FIFO, and carries out the MP3 coding;
Steps A .4: described dsp chip is saved in encoded data in the described second memory, do not have idle memory space to be used for preserving described encoded data in the described second memory if described baseband chip is judged, change steps A .6;
Steps A .5: A.1 repeating step arrives the cataloged procedure of steps A .4, up to the instruction of user by this recording of input equipment end of input of described portable terminal, described baseband chip sends out the instruction that this end FM records to described dsp chip, and described dsp chip finishes this FM recording;
Steps A .6: described dsp chip generates mp3 file;
Whether step 4, described baseband chip are judged has idle memory space to be used for preserving the MP3 recording file in the described second memory, if having, change step B.2; If do not have, change step B.1;
Step is B.1: described baseband chip sends the instruction of closing the FM recording to described dsp chip, changes step 9;
Step is B.2: described dsp chip continues recording, changes step 5;
Whether step 6, described portable terminal need to preserve the mp3 file of being recorded by display device prompting user, if the user selects "Yes", change step 7; If the user selects "No", change step 9;
Whether step 8, described portable terminal continue recording by display device prompting user, if the user selects "Yes", change step 4; If the user selects "No", change step 9;
Step 9, user continue to listen to FM;
The instruction that step 10, the user input equipment end of input FM by described portable terminal receives, described baseband chip transmits this END instruction to described FM chip, receives thereby this FM chip finishes FM.
Compared with prior art, the invention has the beneficial effects as follows:
The portable terminal user may miss the FM radio reception content of oneself liking in busier; Perhaps run into the FM content that enjoys a lot, wish to preserve, convenient appreciation more later on.At this moment FM radio reception content being recorded into mp3 file also preserves to get up just can satisfy this demand.Mp3 file has advantages such as tonequality is good, file is little, broadcast is convenient.
The present invention accepts the FM voice data by the FM chip, carries out the MP3 coding then, records into the audio file of MP3 format.Like this FM radio reception content on the portable terminal is recorded into mp3 file and also preserved, make things convenient for the user in needs, to listen to the FM recording.
Description of drawings
Fig. 1 is the flow chart that FM of the present invention records into mp3 file.
Fig. 2 is the flow chart of MP3 coded system of the present invention.
Fig. 3 is the hardware block diagram of portable terminal of the present invention.
Embodiment
Specific embodiments of the present invention are further described in detail below in conjunction with drawings and Examples, but should not limit protection scope of the present invention with this.
See also the hardware block diagram of Fig. 3 portable terminal of the present invention.The present invention has the portable terminal of FM sound-recording function, comprises baseband chip 3, first memory 1, FM chip 4, input equipment 7, display device 8 and loud speaker 5.Described baseband chip 3 links to each other with described first memory 1, and this first memory 1 is as program storage.Described baseband chip 3 links to each other with described FM chip 4, and this baseband chip 3 provides the control command of opening or finishing FM radio reception for this FM chip 4, and this FM chip 4 is used to receive FM broadcasting, and this FM chip 4 also links to each other with described loud speaker 5.
Described baseband chip 3 adopts the SPREADTRUM 6600D chip of spreadtrum company.The RDA5800C chip of the sharp Di Ke of described FM chip 4 employings Microtronics A/S.First memory 1 is NOR FLASH.Described input equipment 7 comprises keyboard and touch-screen.Described display device 8 is LCDs.
Described portable terminal also comprises Digital Signal Processing (the Digital SignalProcessor that is used for the MP3 coding, hereinafter to be referred as DSP) chip 6 and second memory 2, this second memory 2 and this dsp chip 6 link to each other by data wire, and this second memory 2 is used to store the mp3 file that this dsp chip 6 generates.Described dsp chip 6 adopts the AIT706 chip of Alpha Imaging Technology Corp..Described second memory 2 is T FLASH.
This dsp chip 6 links to each other with described baseband chip 3, and this baseband chip 3 is used to this dsp chip 6 that the control command of opening or finishing the FM recording is provided.This dsp chip 6 comprises 8 position datawires, chip selection signal cs, reaches the clock signal clk that baseband chip 3 offers dsp chip 6 with the interface of described baseband chip 3.Baseband chip 3 both transmitted data and order to dsp chip 6, also can be from dsp chip 6 reading of data, and the data that transmit between baseband chip 3 and the dsp chip 6 comprise mp3 data, liquid crystal display data.
The data output end of described FM chip 4 also links to each other with the data input pin of described dsp chip 6, is used for the audio analog signals that this dsp chip 6 receives this FM chip 4, and the AIT706 chip receives audio analog signals by its LINE IN interface specifically.
Another embodiment that has the portable terminal of FM sound-recording function as the present invention, described FM chip 4 can also adopt the Si4700 chip of Silicon Labs Cp Inc..
See also the flow chart that Fig. 1 FM of the present invention records into mp3 file.A kind of way of recording that is applied to the portable terminal of the above-mentioned FM of having sound-recording function, this method may further comprise the steps:
Steps A .1: described dsp chip receives the audio analog signals of described FM chip;
Steps A .2: described dsp chip converts the simulated audio signal that receives to digital signal by its inner analog to digital converter, and deposits in the inside push-up storage into this dsp chip (First In First Out is called for short FIFO);
Steps A .3: the MP3 encoder of described dsp chip takes out digital signal in described FIFO, and carries out the MP3 coding;
Steps A .4: described dsp chip is saved in encoded data in the described second memory, do not have idle memory space to be used for preserving described encoded data in the described second memory if described baseband chip is judged, change steps A .6;
Steps A .5: A.1 repeating step arrives the cataloged procedure of steps A .4, up to described FIFO is empty, the user is by the instruction of this recording of input equipment end of input of described portable terminal, described baseband chip sends out the instruction that this end FM records to described dsp chip, and described dsp chip finishes this FM End of Tape coding;
Steps A .6: described dsp chip generates mp3 file;
Whether step 4, described baseband chip are judged has idle memory space to be used for preserving the MP3 recording file in the described second memory, if having, change step B.2; If do not have, change step B.1;
Step is B.1: described baseband chip sends the instruction of closing the FM recording to described dsp chip, changes step 9;
Step is B.2: described dsp chip continues recording, changes step 5;
Whether step 6, described portable terminal need to preserve the mp3 file of being recorded by display device prompting user, if the user selects "Yes", change step 7; If the user selects "No", change step 9;
Whether step 8, described portable terminal continue recording by display device prompting user, if the user selects "Yes", change step 4; If the user selects "No", change step 9;
Step 9, user continue to listen to FM;
The instruction that step 10, the user input equipment end of input FM by described portable terminal receives, described baseband chip transmits this END instruction to described FM chip, receives thereby this FM chip finishes FM.
The method that FM of the present invention records into mp3 file is to finish on hardware platform shown in Figure 3, has realized the function that the content that FM on the mobile phone receives is recorded into the MP3 format file and preserved.
The above is preferred embodiment of the present invention only, is not to be used for limiting practical range of the present invention.Be that all equivalences of doing according to the content of the present patent application claim change and modification, all should be technology category of the present invention.
Claims (7)
1, a kind of portable terminal with FM sound-recording function, comprise baseband chip (3), first memory (1), FM chip (4), input equipment (7), display device (8) and loud speaker (5), described baseband chip (3) links to each other with described first memory (1), and this first memory (1) is as program storage;
Described baseband chip (3) links to each other with described FM chip (4), this baseband chip (3) provides the control command of opening or finishing FM radio reception for this FM chip (4), this FM chip (4) is used to receive FM broadcasting, and this FM chip (4) also links to each other with described loud speaker (5);
It is characterized in that: described portable terminal also comprises dsp chip (6) and the second memory (2) that is used for the MP3 coding, this second memory (2) links to each other by data wire with this dsp chip (6), and this second memory (2) is used to store the mp3 file that this dsp chip (6) generates;
This dsp chip (6) links to each other with described baseband chip (3), and this baseband chip (3) is used to this dsp chip (6) that the control command of opening or finishing the FM recording is provided;
The data output end of described FM chip (4) also links to each other with the data input pin of described dsp chip (6), and this dsp chip (6) receives the audio analog signals of this FM chip (4) by its data input pin.
2, the portable terminal with FM sound-recording function according to claim 1 is characterized in that described baseband chip (3) adopts the SPREADTRUM 6600D chip of spreadtrum company.
3, the portable terminal with FM sound-recording function according to claim 1 is characterized in that described FM chip (4) is the RDA5800C chip of sharp Di Ke Microtronics A/S, or the Si4700 chip of Silicon Labs Cp Inc..
4, the portable terminal with FM sound-recording function according to claim 1 is characterized in that described dsp chip (6) adopts the AIT706 chip of Alpha Imaging Technology Corp..
5, the portable terminal with FM sound-recording function according to claim 1 is characterized in that described first memory (1) is NOR FLASH, and described second memory (2) is T FLASH.
6, the portable terminal with FM sound-recording function according to claim 1 is characterized in that described input equipment (7) comprises keyboard and touch-screen, and described display device (8) is a LCDs.
7, a kind of way of recording that is applied to as the portable terminal of the described FM of the having sound-recording function of above-mentioned claim 1～5 is characterized in that this way of recording may further comprise the steps:
Step 1, user pass through the input equipment of described portable terminal, the instruction that input is used to open the FM receiving function, and described baseband chip transmits this open command to described FM chip, thus this FM chip enable FM receives;
Step 2, described baseband chip judge the user whether the input equipment input by described portable terminal be used to open the instruction of the FM sound-recording function of this portable terminal, if change step 3; If not, change step 9;
The instruction that step 3, described baseband chip transmit this unlatching FM sound-recording function to described dsp chip, thus this dsp chip starts the function of FM radio reception content being recorded into the MP3 format file, and this recording process may further comprise the steps again:
Steps A .1: described dsp chip receives the audio analog signals of described FM chip;
Steps A .2: described dsp chip converts the simulated audio signal that receives to digital signal by its inner analog to digital converter, and deposits among the inside FIFO of this dsp chip;
Steps A .3: the MP3 encoder of described dsp chip takes out digital signal in described FIFO, and carries out the MP3 coding;
Steps A .4: described dsp chip is saved in encoded data in the described second memory, do not have idle memory space to be used for preserving described encoded data in the described second memory if described baseband chip is judged, change steps A .6;
Steps A .5: A.1 repeating step arrives the cataloged procedure of steps A .4, up to the instruction of user by this recording of input equipment end of input of described portable terminal, described baseband chip sends out the instruction that this end FM records to described dsp chip, and described dsp chip finishes this FM recording;
Steps A .6: described dsp chip generates mp3 file;
Whether step 4, described baseband chip are judged has idle memory space to be used for preserving the MP3 recording file in the described second memory, if having, change step B.2; If do not have, change step B.1;
Step is B.1: described baseband chip sends the instruction of closing the FM recording to described dsp chip, changes step 9;
Step is B.2: described dsp chip continues recording, changes step 5;
Step 5, user be by the instruction of this recording of input equipment end of input of described portable terminal, and described baseband chip sends out the instruction of this end FM recording to described dsp chip, and described dsp chip finishes this FM recording;
Whether step 6, described portable terminal need to preserve the mp3 file of being recorded by display device prompting user, if the user selects "Yes", change step 7; If the user selects "No", change step 9;
Step 7, described baseband chip send the instruction of preserving this FM recording to described dsp chip, and this dsp chip is kept at the mp3 file of this recording in the described second memory;
Whether step 8, described portable terminal continue recording by display device prompting user, if the user selects "Yes", change step 4; If the user selects "No", change step 9;
Step 9, user continue to listen to FM;
The instruction that step 10, the user input equipment end of input FM by described portable terminal receives, described baseband chip transmits this END instruction to described FM chip, receives thereby this FM chip finishes FM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100375350A CN101282125A (en) | 2008-05-16 | 2008-05-16 | Mobile terminal with FM sound-recording function as well as sound-recording method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100375350A CN101282125A (en) | 2008-05-16 | 2008-05-16 | Mobile terminal with FM sound-recording function as well as sound-recording method thereof |
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| CN101282125A true CN101282125A (en) | 2008-10-08 |
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| CNA2008100375350A Pending CN101282125A (en) | 2008-05-16 | 2008-05-16 | Mobile terminal with FM sound-recording function as well as sound-recording method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101741407B (en) * | 2008-11-13 | 2013-08-14 | Tcl通讯（宁波）有限公司 | Mobile phone with radio function and realization method thereof |
| CN108389581A (en) * | 2016-12-12 | 2018-08-10 | 中国航空工业集团公司西安航空计算技术研究所 | Dual processor multichannel code stream recording device |
-
2008
- 2008-05-16 CN CNA2008100375350A patent/CN101282125A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101741407B (en) * | 2008-11-13 | 2013-08-14 | Tcl通讯（宁波）有限公司 | Mobile phone with radio function and realization method thereof |
| CN108389581A (en) * | 2016-12-12 | 2018-08-10 | 中国航空工业集团公司西安航空计算技术研究所 | Dual processor multichannel code stream recording device |
| CN108389581B (en) * | 2016-12-12 | 2021-07-16 | 中国航空工业集团公司西安航空计算技术研究所 | Dual-processor multi-path code stream recording device |
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Open date: 20081008 |