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1 2 3 4 | Ïîñìîòðåòü âñþ òåìó |
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Òåìà: Test of Sampling Rate Converters
Âðåìÿ: 12.11.2012 05:10 |
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ã.Âëàäèìèð 
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Âîò ÷òî íàðûë: Ìîæåò ïðèãîäèòñÿ êîìó. À ìîæåò è áîÿí. |
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åäð¸íûòü ýò âàì íå èòèòü.
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Òåìà: Re: Test of Sampling Rate Converters
Âðåìÿ: 12.11.2012 09:13 |
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Êóðñê
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Êóáåéñ, êîíå÷íî æåñòü ïî ñðàâíåíèþ ñ áîëüøèíñòâîì îñòàëüíûõ. | |
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Òåìà: Re: Test of Sampling Rate Converters
Âðåìÿ: 12.11.2012 10:35 |
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÷åëÿáèíñê âåñòåðí 
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À ïîÿñíèòå ÷àéíèêó âêðàòöå, î ÷åì ãîâîðèò ïîÿâëåíèå ÿ÷åèñòîé ñåòî÷êè âîò íà ðèñóíêå? Çàðàíåå ñïàñèáî! | |
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äîáðûå, íåíàâÿç÷èâûå ïåñíè
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Òåìà: Re: Test of Sampling Rate Converters
Âðåìÿ: 12.11.2012 11:43 |
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moscow mouse
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à âîò ðàññêàæèòå - îá ÷¸ì òåñò-òî? | |
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Òåìà: Re: Test of Sampling Rate Converters
Âðåìÿ: 12.11.2012 11:59 |
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ã.Âëàäèìèð
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>à âîò ðàññêàæèòå - îá ÷¸ì òåñò-òî? Âîò òîæå õîòåë ñïðîñèòü, ïîñòåñíÿëñÿ. |
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åäð¸íûòü ýò âàì íå èòèòü.
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Òåìà: Re: Test of Sampling Rate Converters
Âðåìÿ: 12.11.2012 12:02 |
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ã.Âëàäèìèð
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ß íå ïîíÿë ÷òî çíà÷èò Sweet è Impulse. | |
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åäð¸íûòü ýò âàì íå èòèòü.
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Òåìà: Re: Test of Sampling Rate Converters
Âðåìÿ: 12.11.2012 14:01 |
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Moscow
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ÕîÇå , ñïàñèáî çà ññûëêó! Äàâíî å¸ ïîòåðÿë, âñ¸ íèêàê íàéòè íå ìîã! Weiss, êàê è âñåãäà, íà ïåðâîì ìåñòå. Saracon êîòîðûé. P.S. Âñ¸, êðîìå áåëîé ëèíèè - ÌÓÑÎÐ. |
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WELCOME!
WWW.LONG.RU WWW.SOUNDINFO.ORG/FORUM/ |
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Òåìà: Re: Test of Sampling Rate Converters
Âðåìÿ: 12.11.2012 14:12 |
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moscow mouse
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2Ìèõàèë Âû ïîêà ïîäîæäèòå, ïóñòü îñòàëüíûå âûñêàçûâàþùèåñÿ ïîÿñíÿò |
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Òåìà: Re: Test of Sampling Rate Converters
Âðåìÿ: 12.11.2012 14:36 |
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Ñàíêò-Ïåòåðáóðã
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>Weiss, êàê è âñåãäà, íà ïåðâîì ìåñòå. Saracon êîòîðûé. >P.S. Âñ¸, êðîìå áåëîé ëèíèè - ÌÓÑÎÐ. Íó òîãäà óæ Ïèðàìèêñ 7 ïîãëàâíåå áóäåò  Õîòÿ ÿ ëè÷íî íèôèãà íå ïîíèìàþ â ýòîì òåñòå. |
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Òåìà: Re: Test of Sampling Rate Converters
Âðåìÿ: 12.11.2012 14:39 |
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Ïèòåð Ìèêøåð 
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>Õîòÿ ÿ ëè÷íî íèôèãà íå ïîíèìàþ â ýòîì òåñòå. Äà òàì æå âñ¸ ïðîñòî! >P.S. Âñ¸, êðîìå áåëîé ëèíèè - ÌÓÑÎÐ. |
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Òåìà: Re: Test of Sampling Rate Converters
Âðåìÿ: 12.11.2012 14:40 |
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Ïèòåð ãèòàðà, âîêàë
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>ß íå ïîíÿë ÷òî çíà÷èò Sweet è Impulse. Sweep, íàâåðíî, à íå sweet. Ó÷è àíãëèéñêèé, Õî-Çå, è íå êî÷åðàæñÿ, à òî â AES íå ïðèìóò  . Ýòî èñïûòàòåëüíûé ñèãíàë, îäíî èç çíà÷åíèé sweep - ïðîì÷àòñÿ. Òóò çà 8 ñåê ÷àñòîòà â ñèãíàëå óñïåâàåò ìåíÿòñÿ îò 0 äî 48 êÃö. Ò.å. ýòà swept ñèíóñîèäà äëÿ ìàêñèìàëüíîãî ïðèáëèæåíèÿ ê ðåàëüíîìó ñèãíàëó ñ ìíîæåñòâîì ÷àñòîò. Òàì â FAQ è â Help åñòü ïîÿñíåíèÿ.
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Äåëàþ àêòèâíóþ ãèòàðíóþ ýëåêòðîíèêó, ñèììåòðè÷íûå ñõåìû- ñóïåð.
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| Àâòîð |
Òåìà: Re: Test of Sampling Rate Converters
Âðåìÿ: 12.11.2012 14:44 |
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moscow mouse
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Òàê êòî-òî ìíå ðàññêàæåò, î ÷åì òåñò - íó ïðîñòî, ÷òîá íå êèäàòüñÿ ãîëîñëîâíûìè êóáåéñ óæàñ, ïðîòóëç êðóò, à ïèðàìèêñ âîîáùå êîðîëåâñêèé? | |
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Òåìà: Re: Test of Sampling Rate Converters
Âðåìÿ: 12.11.2012 14:47 |
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Ïèòåð Ìèêøåð
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>Òàê êòî-òî ìíå ðàññêàæåò, î ÷åì òåñò - íó ïðîñòî, ÷òîá íå êèäàòüñÿ ãîëîñëîâíûìè êóáåéñ óæàñ, ïðîòóëç êðóò, à ïèðàìèêñ âîîáùå êîðîëåâñêèé? Êàê î ÷¸ì?!! Ó êîãî ðèñóíîê êðàñèâøå êîíå÷íî! Ó êîãî ñ êðàñíåíüêèìè ïðîæèëî÷êàìè, ó êîãî ñ çåë¸íûìè!! |
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Òåìà: Re: Test of Sampling Rate Converters
Âðåìÿ: 12.11.2012 14:52 |
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Ïèòåð Ìèêøåð
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>ß íå ïîíÿë ÷òî çíà÷èò Sweet è Impulse. (ïüÿíûì ãîëîñîì) ...ìàé ñâèò ëåäè äæåéí, âýí àé ñè þ ýãåéí!!! 
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Òåìà: Re: Test of Sampling Rate Converters
Âðåìÿ: 12.11.2012 14:55 |
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Ñàíêò-Ïåòåðáóðã
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Ñóäÿ ïî âñåìó, ðå÷ü î ïåðåêîíâåðòàöèè èç 96 â 44.1 À "âñå êðîìå áåëîé ëèíèè" - ñàìîãåíåðèðóþùèåñÿ ïðè ýòîì ïðîöåññå ïàðàçèòíûå ÷àñòîòû, êîòîðûå äîáàâëÿþòñÿ ê èñõîäíîé ÷àñòîòå. Ïî àíàëîãèè ñ àíàëîãîì, ÷òî òî òèïà îáåðòîíîâ. |
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Òåìà: Re: Test of Sampling Rate Converters
Âðåìÿ: 12.11.2012 14:57 |
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Ñàíêò-Ïåòåðáóðã
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"ïî àíàëîãèè ñ àíàëîãîì" - ýòî ÿ êðóòî ââåðíóë )), íî äóìàþ ïîíÿòíî. | |
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| Àâòîð |
Òåìà: Re: Test of Sampling Rate Converters
Âðåìÿ: 12.11.2012 14:57 |
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moscow mouse
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>Ñóäÿ ïî âñåìó, ðå÷ü î ïåðåêîíâåðòàöèè èç 96 â 44.1 õîðîøî õîòü êòîòî çàìåòèë î ÷åì õîòü ãðàôèêè. îê, ó ìåíÿ âîïðîñ - ñêàæèòå - à çà÷åì ïåðåêîíâåðòèðîâàòü ôàéëû? íó â ñìûñëå ïðè ñîáëþäåíèè òåõíîëîãèè çâóêîçàïèñè ýòî ðàçâå íóæíàÿ îïåðàöèÿ? |
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Òåìà: Re: Test of Sampling Rate Converters
Âðåìÿ: 12.11.2012 15:07 |
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Ìîñêâà
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Íåçíàþùèõ ëþäåé òåñò î÷åíü è î÷åíü ìîæåò çàïóòàòü! Ðå÷ü î êîíâåðòàöèè(96-44), êîòîðàÿ äàëåêî íå îáÿçàòåëüíà.  >Êóáåéñ, êîíå÷íî æåñòü ïî ñðàâíåíèþ ñ áîëüøèíñòâîì îñòàëüíûõ. À òî Êóáåéñ ñ Íóåíäîé óæå ïîøëè ìûëèòü âåðåâêè... 
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Îáó÷åíèå çâóêîçàïèñè - http://soundtraining.ru
Ñòóäèÿ çâóêîçàïèñè - http://zverevstudio.ru Àðàíæèðîâêà - http://arangirovka-master.ru VK - http://vk.com/zverevstudio mail - alex@zverevstudio.ru Ãëàâíîå ìóçûêà, à íå ÷àñòîòà åå äèñêðåòèçàöèè. © |
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Òåìà: Re: Test of Sampling Rate Converters
Âðåìÿ: 12.11.2012 15:12 |
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Ïèòåð ãèòàðà, âîêàë
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>Òàê êòî-òî ìíå ðàññêàæåò, î ÷åì òåñò - íó ïðîñòî, ÷òîá íå êèäàòüñÿ ãîëîñëîâíûìè êóáåéñ óæàñ, ïðîòóëç êðóò, à ïèðàìèêñ âîîáùå êîðîëåâñêèé? Òàì íàñêîëüêî ÿ ïîíÿë (ïîêà áåãëî ïðîáåæàë) îñòîðîæíî âûñêàçûâàþòñÿ î ñìûñëå ýòîãî òåñòà. ×òî òèïà ïðè ïðàâèëüíîì ñïðîåêòèðîâàííîì àëãîðèòìå SRC (samle rate convertation), (÷òî åñòü âî âñåõ ïðîãàõ ýòà âîçìîæíîñòü êîíâåðòàöèè), òàê âîò, ïðè ïðàâèëüíîì àëãîðèòìå êîíâåðòàöèè èñêàæåíèÿ îáû÷íî ëåæàò íèæå -100 äá è êàê òàì ñêàçàíî åäâà ëè îíè áóäóò ñîçäàâàòü ñëûøèìûå àðòåôàêòû. Íî íà ãðàôèêàõ ýòè àðòåôàêòû õîðîøî âèäíû - ýòî âèäàòü óäîáíî äëÿ èíæåíåðîâ ÷òîáû îòñëåäèòü ãäå â êàêîé ïðîãå ýòîò SRC ëó÷øå èëè õóæå. Íàïðèìåð, äëÿ Ñàóíä Ôîðæ åñëè ñðàâíèâàòü ñ Àäîáå àóäèøí èëè Àáëåòîíîì - òóò óæå ðàçíèöà áîëüøàÿ â àðòåôàêòàõ (òîí 1 êÃö), ò.å. äëÿ Ñàóíäà Ô. àðòåôàêòû ìíîãî õóæå. È ìåæäó ïðî÷èì ýòî ìîæíî ðàçëè÷èòü íà ñëóõ íà õîðîøåé àïàðàòóðå åñëè ñðàâíèâàòü ðåçóëüòàò êîíâåðòàöèè ó ðàçíûõ ïðîã. ß êîãäà ïåðåäèñêðèòèçèðîâàë èç 44. 1 â 48 (ïðèøëîñü êàê òî äëÿ âèäåî) Ñàóí Ôîðæ âîîïùå çàáðàêîâàë, ò.ê. ñëåãêà ìóòèëà çâóê, ïîëüçîâàëñÿ òîëüêî Àäîáå Àóäèøí. |
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Äåëàþ àêòèâíóþ ãèòàðíóþ ýëåêòðîíèêó, ñèììåòðè÷íûå ñõåìû- ñóïåð.
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| Àâòîð |
Òåìà: Re: Test of Sampling Rate Converters
Âðåìÿ: 12.11.2012 15:17 |
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Ïèòåð ãèòàðà, âîêàë
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>Ñóäÿ ïî âñåìó, ðå÷ü î ïåðåêîíâåðòàöèè èç 96 â 44.1 > À "âñå êðîìå áåëîé ëèíèè" - ñàìîãåíåðèðóþùèåñÿ ïðè ýòîì ïðîöåññå ïàðàçèòíûå ÷àñòîòû, êîòîðûå äîáàâëÿþòñÿ ê èñõîäíîé ÷àñòîòå. Ïî àíàëîãèè ñ àíàëîãîì, ÷òî òî òèïà îáåðòîíîâ.  õåëïå èëè ôàêå òàì ïîÿñíÿåòñÿ âðîäå ÷òî ïîôèã ÷òî èìåííî èç 96-â 44.1, ïîòîìó ÷òî íåçà÷åì ðàñìàòðèâàòü âñå âàðèàíòû ïåðåäèñêðåòèçàöèè - ðåçóëüòàòû, åñëè ïðîãà ñ ïëîõèì SRC, âñå ðàâíî áóäóò ïîõîæèìè, ïîýòîìó äîñòàòî÷íî ñóäèòü òîëüêî ïî ýòîìó îäíîìó âàðèàíòó î êà÷åñòâå SRC äàíîé ïðîãå. |
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Äåëàþ àêòèâíóþ ãèòàðíóþ ýëåêòðîíèêó, ñèììåòðè÷íûå ñõåìû- ñóïåð.
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Òåìà: Re: Test of Sampling Rate Converters
Âðåìÿ: 12.11.2012 15:19 |
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ã.Âëàäèìèð
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>ñêàæèòå - à çà÷åì ïåðåêîíâåðòèðîâàòü ôàéëû? >Ðå÷ü î êîíâåðòàöèè(96-44), êîòîðàÿ äàëåêî íå îáÿçàòåëüíà. À ÷òî, CD óæå îòìåíèëè? Èíòåðåñíî, à åñòü ïîäîáíûå òåñòû 88=>44? Ðàáîòàåò ëè ðåàëüíî òåîðåìà? |
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åäð¸íûòü ýò âàì íå èòèòü.
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Òåìà: Re: Test of Sampling Rate Converters
Âðåìÿ: 12.11.2012 15:21 |
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Ñàíêò-Ïåòåðáóðã
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>À ÷òî, CD óæå îòìåíèëè? Âèäèìî ðàçóìíåå ïåðåêîíâåðòèòü ãîòîâûé ñòåðåîôàéë "ñïåöèàëüíî îáó÷åííîé ïðîãîé", à íå âíóòðè DAW |
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Òåìà: Re: Test of Sampling Rate Converters
Âðåìÿ: 12.11.2012 15:22 |
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ã.Âëàäèìèð
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>Âèäèìî ðàçóìíåå ïåðåêîíâåðòèòü ãîòîâûé ñòåðåîôàéë "ñïåöèàëüíî îáó÷åííîé ïðîãîé", à íå âíóòðè DAW Òàê â òåñòå åñòü òàêèå óòèëèòêè. Âåðîÿòíî äëÿ ýòîãî è ñäåëàíî. |
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åäð¸íûòü ýò âàì íå èòèòü.
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Òåìà: Re: Test of Sampling Rate Converters
Âðåìÿ: 12.11.2012 15:26 |
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Ïèòåð ãèòàðà, âîêàë
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>Èíòåðåñíî, à åñòü ïîäîáíûå òåñòû 88=>44? Ðàáîòàåò ëè ðåàëüíî òåîðåìà? äðóãèå òåñòû íå íóæíû, ñì Âðåìÿ: 12.11.2012 15:17. À òåîðåìà òóò êàê áû íå ïðè÷åì, òóò åñòü Alias ýôôåêò, íàëîæåíèå ñïåêòðîâ îò ðàçíûõ ÷àñòîò. |
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Äåëàþ àêòèâíóþ ãèòàðíóþ ýëåêòðîíèêó, ñèììåòðè÷íûå ñõåìû- ñóïåð.
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Òåìà: Re: Test of Sampling Rate Converters
Âðåìÿ: 12.11.2012 15:28 |
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Ñàíêò-Ïåòåðáóðã
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Âèäèìî ñóòü ýòîãî õîëèâàðà â òîì, ÷òî åñëè êîíâåðòèðóåòñÿ ïëîõî - çíà÷èò è âñÿ ìàòåìàòèêà ôèãîâàÿ. À ñóììèðîâàíèå, îáðàáîòêà âñÿêèìè ïëàãèíàìè è ò.ä. - ñóòü òàæå ìàòåìàòèêà ñ îïðåäåëåííûìè äîïóñêàìè, îêðóãëåíèÿìè è ò.ä. Íî ìíå ïîôèã. Ìíå óäîáíåå âñåãî (ïðèâû÷íåå) ðàáîòàòü â Êóáèêå - â íåì è îñòàþñü íàçëî âñåì ìàòåìàòèêàì 
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Òåìà: Re: Test of Sampling Rate Converters
Âðåìÿ: 12.11.2012 15:53 |
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ã.Âëàäèìèð
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Ýòî íå õîëèâàð. ß äóìàþ ñóòü â òîì, ÷òîáû îñîáî äîòîøíûå ìîãëè âûáðàòü ïîäõîäÿùèé àëãîðèòì äåöèìàöèè ïðè ïîäãîòîâêå ôîðìàòà CD. DAW òóò íå ïðè÷åì. |
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åäð¸íûòü ýò âàì íå èòèòü.
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Òåìà: Re: Test of Sampling Rate Converters
Âðåìÿ: 12.11.2012 16:03 |
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Ñàíêò-Ïåòåðáóðã
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íó ïóñòü íå õîëèâàð )) Ïðîñòî ýòîò òåñò ìîæåò ñòàòü î÷åðåäíûì ïîâîäîì äëÿ ñàìîãî ïîïóëÿðíîãî õîëèâàðà. |
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Òåìà: Re: Test of Sampling Rate Converters
Âðåìÿ: 12.11.2012 18:16 |
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Moscow
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-- Íà êàêóþ òåìó? Î âàðèàíòàõ îòâåòà 2 õ 2 = ??? Èëè îá îñòðîêîíå÷íèêàõ è òóïîêîíå÷íèêàõ? |
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WELCOME!
WWW.LONG.RU WWW.SOUNDINFO.ORG/FORUM/ |
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| Àâòîð |
Òåìà: Re: Test of Sampling Rate Converters
Âðåìÿ: 12.11.2012 19:46 |
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Ñàíêò-Ïåòåðáóðã
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Î òîì, êàêîé øàìïóíü áîëüøå ìûëèò. | |
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Òåìà: Re: Test of Sampling Rate Converters
Âðåìÿ: 12.11.2012 22:48 |
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Moscow
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Long : > Âñ¸, êðîìå áåëîé ëèíèè - ÌÓÑÎÐ.  
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WELCOME!
WWW.LONG.RU WWW.SOUNDINFO.ORG/FORUM/ |
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Òåìà: Re: Test of Sampling Rate Converters
Âðåìÿ: 12.11.2012 22:59 |
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×òî õàðàêòåðíî, ñîâåðøåííî íåîáÿçàòåëüíî îòñóòñòâèå "ìóñîðà" îçíà÷àåò áîëüøóþ áëàãîçâó÷íîñòü. Õîòÿ 7îé Ïèðàìèêñ è íåïëîõ (Apodizing). Ìíîãèå ìîëÿòñÿ íà áåñïëàòíûé r8brain. Âïðî÷åì, êàê è âî ìíîãîì äðóãîì, çàâèñèò îò ìàòåðèàëà. |
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Òåìà: Re: Test of Sampling Rate Converters
Âðåìÿ: 13.11.2012 00:26 |
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Êóðñê
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ß äóìàþ, ÷òî îñîáåííîñòè àëãîðèòìà ïåðåêîíöâåðòàöèè êóáåéñîì äàëåêè îò îñîáåííîñòåé àëãîðèòìîâ ñóììèðîâàíèÿ, íî âïðåäü áóäó çíàòü ÷òî ïðè ïåðåêîíâåðòàöèè îí ãðÿçíèò ãàðìîíèêàìè ñèëüíî áîëüøå ÷åì ïðîòóëñ, à õîðîøî ýòî èëè ïëîõî - óæå íàäî ñëóøàòü â êîíêðåòíîé ñèòóàöèè. Ïî òåñòó â 1êãö íà âõîäå âèäíî ÷òî ê ÷åìó. íà âûõîäå. | |
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Òåìà: Re: Test of Sampling Rate Converters
Âðåìÿ: 13.11.2012 00:39 |
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Moscow
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schumann : >×òî õàðàêòåðíî, ñîâåðøåííî íåîáÿçàòåëüíî îòñóòñòâèå "ìóñîðà" îçíà÷àåò áîëüøóþ áëàãîçâó÷íîñòü. -- Âïîëíå âîçìîæíî, è îöåíèâàòü íóæíî ïî ñóììå âñåõ äîñòóïíûõ ïàðàìåòðîâ. Õîòÿ â íåêîòîðûõ ñëó÷àÿõ, êàê "îáñèðàëêà" - âïîëíå âîçìîæíî, ÷òî õóäøèé ïî ïàðàìåòðàì äàñò áîëåå èíòåðåñíûé ðåçóëüòàò. |
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WELCOME!
WWW.LONG.RU WWW.SOUNDINFO.ORG/FORUM/ |
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Òåìà: Re: Test of Sampling Rate Converters
Âðåìÿ: 13.11.2012 00:56 |
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moscow mouse
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Åùå ðàç çàäàþ âîïðîñ - êàê ÷àñòî Âàì â ðåàëüíîé ðàáîòå ïðèõîäèòñÿ ïåðåêîíâåðòèðîâàòü ôàéëû? ïðèòîì íåêðàòíî - ïîñòàâëþ äàæå âîïðîñ ïî-äðóãîìó - åëñè âû äîïóñòèì ðàáîòàåòå â 44.1(ïîñòàâüòå ëþáóþ öèôðó) è êòîòî âàì ÷òîòî äîïèñûâàåò - íåóæåëè òàê ñëîæíî ñêèíóòü ïëýéáý äëÿ çàïèñè â ÷àñòîòå âàøåãî ïðîåêòà è ïîçâîíèâ ïðåäóïðåäèòü ïèñàòü â ýòîé ÷àñòîòå. Îòäåëüíîãî äèñïóòà êîíå÷íî çàñëóæèâàåò çàïèñü â íåêðàòíûõ ôèíàëüíîìó ôîðìàòó èçäà÷è ÷àñòîòàõ - íà ìîé âêóñ òàê ïîñòóïàòü íåäàëüíîâèäíî ðàáîòàåøü àóäèî-ñèäè - ïèøè 44.1 èëè 88þ2 åëñè âàæåí âåðõ(àêàäåì íàïðèìåð), ðàáîòàåøü äëÿ âèäåî - ïèøè 48 èëè 96 åñëè àóäèîôèë äî ôèãà, ÷òî ìîæåò áûòü ïðîùå??? | |
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Òåìà: Re: Test of Sampling Rate Converters
Âðåìÿ: 13.11.2012 01:18 |
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ã.Âëàäèìèð
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À èñòèíà ãäå òî ðÿäîì
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åäð¸íûòü ýò âàì íå èòèòü.
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| Àâòîð |
Òåìà: Re: Test of Sampling Rate Converters
Âðåìÿ: 13.11.2012 01:35 |
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Moscow
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>çàïèñü â íåêðàòíûõ ôèíàëüíîìó ôîðìàòó èçäà÷è ÷àñòîòàõ -- À ïîôèãó. Èç 88 â 44 - òîæå ïåðåäèñêðåòèçàöèÿ ñ ôèëüòðàöèåé. Õîòü óäàâèñü... |
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WELCOME!
WWW.LONG.RU WWW.SOUNDINFO.ORG/FORUM/ |
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| Àâòîð |
Òåìà: Re: Test of Sampling Rate Converters
Âðåìÿ: 13.11.2012 01:50 |
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moscow mouse
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>- À ïîôèãó. Èç 88 â 44 - òîæå ïåðåäèñêðåòèçàöèÿ ñ ôèëüòðàöèåé. >Õîòü óäàâèñü... íàñêîëüêî ÿ ìîãó ïîíèìàòü( à ÿ íå ñïåö è ÷åñòíî ãîâîðÿ íå ëþáëþ ïîëüçîâàòüñÿ äàáëðýéòîì) - êðàòíûé ïåðåñ÷åò âðîäå êàê ìàòåìàòè÷åñêè ïðîùå, èëè ÿ îøèáàþñü? |
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Òåìà: Re: Test of Sampling Rate Converters
Âðåìÿ: 13.11.2012 02:05 |
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Ñàíêò-Ïåòåðáóðã
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>êðàòíûé ïåðåñ÷åò âðîäå êàê ìàòåìàòè÷åñêè ïðîùå, èëè ÿ îøèáàþñü? Åñòü ïîäîçðåíèå, ÷òî âñå ðàâíî ïðèäåòñÿ êàê òî ïåðåñ÷èòûâàòü êàæäûå 2 ñîñåäíèõ ñåìïëà â îäèí  èëè ÷òî òî òèïà òîãî
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| Àâòîð |
Òåìà: Re: Test of Sampling Rate Converters
Âðåìÿ: 13.11.2012 02:24 |
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moscow mouse
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åñëè ÿ ïðàâèëüíî ïîíèìàþ òî ïðîñòåéøèé ïðèìåð â 24 áèòàõ âûãëÿäèò for n=0 to n_max step 2: y(n/2)=(x(n)+x(n+1))/2;(èëè êàê òàì íå ïîìíþ), ãäå êàæäàÿ âåëè÷èíà äëèíîé â 1.5 áàéòà, ïëþñ íàâåðíî ïðîñòåéøàÿ àïïðîêñèìàöèÿ íà ñëó÷àé îñîáî âúåääëèâûõ | |
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