1. A musical piece extraction program stored in a computer-readable storage medium, the program causing a computer to perform a process comprising the steps of:
detecting a musical piece likeliness of each of pieces of processing-unit data that constitute input audio data;
based on a result of the detection of the musical piece likeliness, identifying a musical piece candidate section within the audio data;
based on the musical piece candidate section and musical piece information acquired from an external server, determining a musical piece section within the audio data; and
recording the musical piece information onto a recording medium so as to be associated with the musical piece section.
2. The musical piece extraction program according to claim 1, further causing the computer to perform a step of acquiring the musical piece information from the external server, the musical piece information containing a musical piece title corresponding to the audio data and broadcast datetime information corresponding to the musical piece title, wherein
said determining step determines the musical piece section within the audio data based on the musical piece candidate section and the broadcast datetime information contained in the musical piece information.
3. The musical piece extraction program according to claim 1, further causing the computer to perform the steps of:
with respect to each musical piece candidate section, generating identification information of partial audio data based on at least a part of the partial audio data, and transmitting the generated identification information to the external server, the partial audio data being a part of the audio data that corresponds to the musical piece candidate section; and
acquiring the musical piece information from the external server, the musical piece information being transmitted from the external server in accordance with the identification information and containing a musical piece title, wherein
said determination step determines the musical piece section within the audio data based on the musical piece candidate section and the musical piece title contained in the musical piece information, while musical piece candidate sections corresponding to an identical musical piece title are integrated into one musical piece section.
4. The musical piece extraction program according to claim 1, further causing the computer to perform the steps of:
reproducing partial audio data read from the recording medium, the partial audio data being a part of the audio data that corresponds to the musical piece section with which the musical piece information is associated; and
if an instruction to purchase musical piece data is issued while the partial audio data corresponding to the musical piece section is being reproduced, requesting of a musical piece providing server purchase of musical piece data corresponding to the musical piece information with which the musical piece section is associated.
5. The musical piece extraction program according to claim 4, further causing the computer to perform a step of, upon completion of download of the musical piece data from the musical piece providing server, causing the partial audio data corresponding to the musical piece section with which the musical piece information of the musical piece data is associated to be irreproducible out of the recording medium.
6. The musical piece extraction program according to claim 5, further causing the computer to perform a step of, upon completion of the download of the musical piece data from the musical piece providing server, deleting the partial audio data corresponding to the musical piece section from the recording medium.
7. A musical piece extraction apparatus, comprising:
a musical piece likeliness detection section configured to detect a musical piece likeliness of each of pieces of processing-unit data that constitute input audio data;
a musical piece candidate section identification section configured to, based on a result of detection of the musical piece likeliness by said musical piece likeliness detection section, identify a musical piece candidate section within the audio data;
a musical piece information acquisition section configured to acquire musical piece information from an external server;
a musical piece section determination section configured to, based on the musical piece candidate section identified by said musical piece candidate section identification section and the musical piece information acquired by said musical piece information acquisition section, determine a musical piece section within the audio data; and
a musical piece information recording section configured to record the musical piece information onto a recording medium so as to be associated with the musical piece section.
8. A musical piece extraction method, comprising the steps of:
detecting a musical piece likeliness of each of pieces of processing-unit data that constitute input audio data;
based on a result of the detection of the musical piece likeliness, identifying a musical piece candidate section within the audio data;
based on the musical piece candidate section and musical piece information acquired from an external server, determining a musical piece section within the audio data; and
recording the musical piece information onto a recording medium so as to be associated with the musical piece section.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method for producing a polyacrylic acid (salt) water absorbent resin, comprising steps of:
preparing an aqueous monomer solution of acrylic acid (salt),
polymerizing the aqueous monomer solution,
finely shredding a hydrous gel-like crosslinked polymer during or after polymerization,
drying the obtained particulate hydrous gel-like crosslinked polymer,
crushing the dried polymer,
classifying the dried polymer,
heating and surface-crosslinking the dried polymer after the classification, and
cooling after the surface-crosslinking, wherein
the inner surface area of a cooling apparatus to be used in the cooling step is 0.25 to 0.95 times as large as the inner surface area of a heating apparatus to be used in the heating and surface-crosslinking step.
2. A method for producing a polyacrylic acid water absorbent resin, comprising steps of:
preparing an aqueous monomer solution of acrylic acid (salt),
polymerizing the aqueous monomer solution,
finely shredding a hydrous gel-like crosslinked polymer during or after polymerization,
drying the obtained particulate hydrous gel-like crosslinked polymer,
crushing the dried polymer,
classifying the dried polymer,
heating and surface-crosslinking the dried polymer after the classification, and
cooling after the surface-crosslinking, wherein
the inner volume of a cooling apparatus to be used in the cooling step is 0.25 to 0.95 times as large as the inner volume of a heating apparatus to be used in the heating and surface-crosslinking step.
3. The production method according to claim 1 or 2, wherein the cooling apparatus andor the heating apparatus is a transverse continuous stirring apparatus having a charging inlet and a discharge outlet for the water absorbent resin, as well as a stifling means including one or more of rotary shafts equipped with a plurality of stirring disks and a heating means.
4. The production method according to claim 1 or 2, wherein a refrigerant in the cooling apparatus in the cooling step is heated to temperature equal to or higher than the dew point of a gas in the cooling apparatus.
5. The production method according to claim 1 or 2, wherein the refrigerant temperature of the cooling apparatus is higher than the dew point of the gas in the cooling apparatus by 10\xb0 C. or more and lower than the temperature at the time of discharge of the water absorbent resin particles to be discharged out of the cooling apparatus by 10\xb0 C. or lower.
6. The production method according to claim 1 or 2, wherein a refrigerant in the cooling apparatus is hot water at 30\xb0 C. or higher.
7. The production method according to claim 3, wherein the cooling apparatus is the transverse continuous stirring apparatus and the apparatus has a stirring power index of 3 to 11 W\xb7hrkg.
8. The production method according to claim 3, wherein each of the cooling apparatus and the heating apparatus is the transverse continuous stifling apparatus and the stirring power index of the cooling apparatus is 0.25 to 0.95 times as high as that of the heating apparatus.
9. The production method according to claim 1 or 2, further comprising steps of measuring the temperature of the water absorbent resin in the heating and surface-crosslinking step andor the cooling step and controlling the refrigerant temperature or the flow rate.
10. The production method according to claim 1 or 2, wherein the inner surface of the cooling apparatus andor the heating apparatus is of stainless steel with a surface roughness of 800 nm or lower.
11. The production method according to claim 1 or 2, wherein the water absorbent resin particles before the surface-crosslinking step andor after the cooling step are pneumatically transported at a dew point of \u22125\xb0 C. to \u2212100\xb0 C.
12. The production method according to claim 1 or 2, wherein the surface-crosslinking step has 2 or more lines for 1 line in the polymerization step.
13. The production method according to claim 1 or 2, wherein the classification step, surface-crosslinking step, and cooling step are carried out in reduced pressure.
14. The production method according to claim 1 or 2, wherein a covalent bonding crosslinking agent and an ion bonding crosslinking agent are used in combination as the surface-crosslinking agent in the heating and surface-crosslinking step.
15. The production method according to claim 1 or 2, wherein the cooling apparatus is a continuous cooling apparatus having a periodically shielded inlet.
16. The production method according to claim 1 or 2, wherein the water absorbent resin before the surface-crosslinking and after the cooling is at a temperature within a range of 40 to 100\xb0 C.