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| [#18] Blogs: 數碼音樂重播專欄 (2) Sorry that I can only provide short answer. ＞ 1 we count for number of spikes happening but if the spikes is as lower than -135dB, then it does not matter because -135dB is the noisefloor or almost all converters. ＞ 2 noise floor (lower the noise floor, you can hear more bits) This is only jitter measurement not SNR measurement. The reference tone is not reference 1kHz and -60dBFS that from the stardard. Therefore in jitter measurements which you posted, the lower noisefloor does not mean you can hear more bits. Many psychoacoustics reasons are lies in this area. I agree lower noisefloor in SNR measurement, higher dynamic range, less THD+N are results of more truthful to the source. But I also would like to comment that psychoacoustics reasons are more or less important because it affects how we listen. And there are others reasons too such as driving range, output impedance, output levels, and other analogue areas etc. |
DWS 正式會員203.xxx.xxx.150 |
2011-05-17 16:52 | |
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| [#19] Blogs: 數碼音樂重播專欄 (2) ＞ but if the spikes is as lower than -135dB, then it does not matter because -135dB is the noisefloor or almost all converters. I am wondering why MSB getting -160dB noise floor and curious they measure msb with AP |
batmanames04 正式會員 61.xxx.xxx.217 |
2011-05-17 18:01 |
| [#20] Blogs: 數碼音樂重播專欄 (2) Hi DWS, "Today best CD/DVD/Blu-Ray roms are still vintage Plextor Premium2, Pioneer Bluray Model6 with pure read2 technologies." For Pioneer Bluray Model 6, do you mean the 6 series of: 1) BDR-206MBK http://pioneer.jp/bdd/products/bdr_206m/index.html 2) BDR S06 http://pioneer.jp/bdd/products/bdr_s06j/ As I heard from some c-hing that any CD-Rom's ripping quality (pure CD-Rom with no writer feature)will be better than those of DVD Rom, DVD Writer nowadays. Does the pionneer Series 6 Bluray writer can be better than the CD-Rom for ripping CD purpose only? Why it is good? |
siulee400 正式會員 218.xxx.xxx.78 |
2011-05-17 19:01 |
| [#21] Blogs: 數碼音樂重播專欄 (2) And which one is better? 1) BDR S05 (Made in Japan) 2) BDR S06 (Made in Japan) 3) BDR S06 (Made in China) 3) BDR 206MBK (Made in Japan) |
siulee400 正式會員 218.xxx.xxx.78 |
2011-05-17 21:20 |
| [#22] Blogs: 數碼音樂重播專欄 (2) Except the one made in china, the rest are better. |
DWS 正式會員 80.xxx.xxx.100 |
2011-05-21 06:39 |
| [#23] Blogs: 數碼音樂重播專欄 (2) ＞ I am wondering why MSB getting -160dB noise floor and curious they measure msb with AP batman hing. the photo you posted and the from their manuals are measured by Spectraab, not AP. |
DWS 正式會員 80.xxx.xxx.100 |
2011-05-21 14:37 |
| [#24] Blogs: 數碼音樂重播專欄 (2) agree |
batmanames04 正式會員 61.xxx.xxx.217 |
2011-05-21 15:29 |
| [#25] Blogs: 數碼音樂重播專欄 (2) msb technlogy power dac gold4  |
batmanames04 正式會員 220.xxx.xxx.50 |
2011-05-22 09:40 |
| [#26] Blogs: 數碼音樂重播專欄 (2) devialet d premier  |
batmanames04 正式會員 220.xxx.xxx.50 |
2011-05-22 09:46 |
| [#27] Blogs: 數碼音樂重播專欄 (2) a more than 110000hkd dac using ess 9018 chipsets  |
batmanames04 正式會員 220.xxx.xxx.50 |
2011-05-22 09:51 |
| [#28] Blogs: 數碼音樂重播專欄 (2) comparing with d d preimer, dac with ess9018 chipsets less spreading (base) at the center frequency, less phase noise with 9018, less jitter |
batmanames04 正式會員 202.xxx.xxx.197 |
2011-05-22 11:39 |
