Paper Abstract and Keywords |
Presentation |
2012-12-12 13:45
A study for improvement of the sound quality in PC audio system Daisuke Kaneko, Minoru Mitsui (IOT) |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
Recently ,PC audio which uses PC as reproduction equipment is popular. Since an analog audio signal would be affected, it would lead to sound quality deterioration if D/A conversion are performed inside PC. Therefore the exterior DAC appeared. In PC which only a digital signal process, signal does not change theoretically. However it is said that the sound quality are changed with the components of PC. Its cause is considered to be a digital signal jitter when performing D/A conversion. Jitter is fluctuation of the time interval of upon digital pulse wave from a signal waveform. If jitter is contained, the analog output signal which should not change theoretically will change. In this study, Relationship between the hardware requirement of PC, the amount of jitter, and also sound quality was clarified.
Keyword PC audio,DAC,S/PDIF,jitter,high fidelity reproduction |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
PC audio / DAC / S/PDIF / jitter / high fidelity reproduction / / / |
Reference Info. |
ITE Tech. Rep., vol. 36, no. 54, ME2012-142, pp. 53-56, Dec. 2012. |
Paper # |
ME2012-142 |
Date of Issue |
2012-12-04 (ME) |
ISSN |
Print edition: ISSN 1342-6893 |
Download PDF |
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Conference Information |
Committee |
ME IEICE-BioX |
Conference Date |
2012-12-11 - 2012-12-12 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
Saitama Inst. of Tech. |
Topics (in Japanese) |
(See Japanese page) |
Topics (in English) |
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Paper Information |
Registration To |
ME |
Conference Code |
2012-12-ME-BioX |
Language |
Japanese |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
A study for improvement of the sound quality in PC audio system |
Sub Title (in English) |
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PC audio |
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DAC |
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S/PDIF |
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jitter |
Keyword(5) |
high fidelity reproduction |
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1st Author's Name |
Daisuke Kaneko |
1st Author's Affiliation |
Institute of Technologists (IOT) |
2nd Author's Name |
Minoru Mitsui |
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Institute of Technologists (IOT) |
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Speaker |
Author-1 |
Date Time |
2012-12-12 13:45:00 |
Presentation Time |
25 minutes |
Registration for |
ME |
Paper # |
ME2012-142 |
Volume (vol) |
vol.36 |
Number (no) |
no.54 |
Page |
pp.53-56 |
#Pages |
4 |
Date of Issue |
2012-12-04 (ME) |