Tema: Re: Tai vis del to - kaip priversti DVD playeri groti muzika?
Autorius: mumumčik zergatronas
Data: 2010-01-12 02:28:59
tingiu verst:

16bit - apie 120dB dinaminis diapazonas
24bit - apie 144dB dinaminis diapazonas..

rask tu man stipra plius garso sistema kur isgrotu kad ir SNR 120dB 
(16bit) ?
su 96khz gali irasyt 48khz daznio garsa. klausimas kodel neuztenka 
44/48khz ?

atsakymas paprastas:
viskas, kas yra virs 16/44 (16/48) yra skirta TIK garso irasymui ir 
apdorojimui.. (tureti kuo daugiau "zalios" medziagos, kad su ja 
zaidziant neislistu klaidos)

galutinio signalo ar jis 16/44 ar 24/96 neatskirs 99.99% zmoniu (su 
salyga, kad imam koki 32/192 signala ir kokybiskai downsamplinam iki 
16/44..)


nu ir citata:

The 16-bit word offers 65,536 distinct dynamic levels.
The 24-bit word offers 16,777,216 distinct dynamic levels.

They Nyquist Theorem implies that the sampling rate must be twice as 
high as the heard frequency to record it. Thus, the highest frequency 
that can be recorded on 96KHz equipment is 48KHz (a frquency 24KHz above 
the normal human hearing range.)

If a unique 24-bit word is presented to your DA** converter 96,000 times 
every second (as it is with 24/96)
then
that converter is telling the magnet in your speaker to move the 
diaphragm (speaker cone) to one of 16,777,216 places each 96,000th of a 
second.

And ... assuming that place 0 is 0 dB
then
place 16,777,216 would be around 145.8 dB.***

Almost no consumer amplifiers have a signal-to-noise ratio of over 100 
dB, which means that almost no consumer amplifier has a dynamic range of 
0 - 100 dB.











asdasd rašė:
> jokio stebuklo nereikia. tiesiog 16 bit neuztenka atkurti visiems garsams, 
> kuriuos zmogus gali girdeti, parenkama artimiausias ir tiek. cia kaip buvo 
> su vaizdu seniau, kol nebuvome mate 32bit, tol 16bit spalvos buvo ledas. 
> reikia ziuret ka daro stiprintuvas ir saltinis, kad nemodifikuotu garso, o 
> tiek koloneles, tiek ausines sugebes atkurt ir 16 ir 24bit muzika pridedamos 
> savo prieskonius. kas del dvd playerio - kodel gi ne, jei gamintojas 
> nepridare nesamoniu
>
> "mumumcik zergatronas" <zz@mumumba.zerg> wrote in message 
> news:higa93$fo9$1@trimpas.omnitel.net...
>   
>> as ko tais itariu, kad 16 nuo 24 atskirt komponentai turetu buti smarkiai 
>> nepigus..
>> na ir pats irasas ne budoj masterintas..
>>
>> p.s. mes apie ka kalbam? apie "paprasta buitini DVD playeri" ?
>>
>>
>> asdasd rase:
>>     
>>> jei klausa nesutrikus, ir nebus klausoma technushke, bus
>>>
>>> "mumumcik zergatronas" <zz@mumumba.zerg> wrote in message 
>>> news:hig1ec$7vj$1@trimpas.omnitel.net...
>>>
>>>       
>>>> klausimas ar tarp 16 ir 24 bus.. ?
>>>>
>>>> asdasd rase:
>>>>
>>>>         
>>>>> niekas nepriklauso, jei nekeiciant temos. 24bit pilnai uztenka, zmogui 
>>>>> jau skirtumo tarp 24 ir 256bit nera
>>>>>
>>>>> "mumumèik zergatronas" <zz@mumumba.zerg> wrote in message 
>>>>> news:hib3fl$nm2$1@trimpas.omnitel.net...
>>>>>
>>>>>
>>>>>           
>>>>>> labiau priklauso nuo to, kas ten grojama, kokiu formatu ir kaip 
>>>>>> suvedimas padarytas..
>>>>>>
>>>>>> asdasd raðë:
>>>>>>
>>>>>>
>>>>>>             
>>>>>>> 24 bit zmogus sugeba atskirti nuo 16. tie 24 bit ir yra riba nuo 
>>>>>>> kurios nebeskiriama
>>>>>>>
>>>>>>> "MAXX" <maxx@crx.lt> wrote in message 
>>>>>>> news:hi77j9$i3p$1@trimpas.omnitel.net...
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>               
>>>>>>>> tai nx tau tie 24 bit / 96 kHz papasakok? nuotykiu ieshkai?
>>>>>>>>
>>>>>>>> -- 
>>>>>>>> -- 
>>>>>>>> Best regards,
>>>>>>>>
>>>>>>>> MAXX
>>>>>>>>  Dodge Grand Caravan'02 3,3
>>>>>>>> Audi A3 '00 1.8T quattro
>>>>>>>> --
>>>>>>>> "deedzey bonka" <kur@jusu.rankos> wrote in message 
>>>>>>>> news:hi4prd$pko$1@trimpas.omnitel.net...
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>                 
>>>>>>>>> Is pigiuju kinisku.
>>>>>>>>> Bet kad pas kaimyna ikishau i Panasonicka - tas irgi nevalge.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> "MAXX" <maxx@crx.lt> wrote in message 
>>>>>>>>> news:hi4cio$34e$1@trimpas.omnitel.net...
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>                   
>>>>>>>>>> koks playeris?
>>>>>>>>>>
>>>>>>>>>> -- 
>>>>>>>>>> -- 
>>>>>>>>>> Best regards,
>>>>>>>>>>
>>>>>>>>>> MAXX
>>>>>>>>>>  Dodge Grand Caravan'02 3,3
>>>>>>>>>> Audi A3 '00 1.8T quattro
>>>>>>>>>> --
>>>>>>>>>> "deedzey bonka" <kur@jusu.rankos> wrote in message 
>>>>>>>>>> news:hi4blq$1js$1@trimpas.omnitel.net...
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>                     
>>>>>>>>>>> Keliau toki klausima zemiau news:hf84ig$hbu$1@trimpas.omnitel.net
>>>>>>>>>>> TeVe dave nuoroda i instrukcija 
>>>>>>>>>>> http://www.linkomanija.net/forums.php?action=viewtopic&topicid=38083&page=1
>>>>>>>>>>> Ishsikepiau DVD pagal ta instrukcija,  bet mano paprastas naminis 
>>>>>>>>>>> (ne
>>>>>>>>>>> kompinis) DVD playeris prie teliko jo nesupranta. Softiniai 
>>>>>>>>>>> playeriai kompe irgi beveik visi nesupranta,
>>>>>>>>>>> isskyrus kazkoki tupa buka ShaPlay.
>>>>>>>>>>> Nejaugi nera paprasto budo ishkepti taip, kad suprastu ir grotu 
>>>>>>>>>>> paprasti
>>>>>>>>>>> buitiniai DVD playeriai? Negi butinai reikia flackus i MP3 
>>>>>>>>>>> konvertuot? (mptrioshkes dvd playeris valgo)
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>                       
>>>>>           
>>>
>>>       
>
>
>