www.as.fora.pl
Forum sojuszu A.S
FAQ
Szukaj
Użytkownicy
Grupy
Galerie
Rejestracja
Profil
Zaloguj się, by sprawdzić wiadomości
Zaloguj
Forum www.as.fora.pl Strona Główna
->
Wojny
Napisz odpowiedź
Użytkownik
Temat
Treść wiadomości
Emotikony
Więcej Ikon
Kolor:
Domyślny
Ciemnoczerwony
Czerwony
Pomarańćzowy
Brązowy
Żółty
Zielony
Oliwkowy
Błękitny
Niebieski
Ciemnoniebieski
Purpurowy
Fioletowy
Biały
Czarny
Rozmiar:
Minimalny
Mały
Normalny
Duży
Ogromny
Zamknij Tagi
Opcje
HTML:
NIE
BBCode
:
TAK
Uśmieszki:
TAK
Wyłącz BBCode w tym poście
Wyłącz Uśmieszki w tym poście
Kod potwierdzający: *
Wszystkie czasy w strefie EET (Europa)
Skocz do:
Wybierz forum
Jakaś kategoria
----------------
Wojny
Przegląd tematu
<table border="0" cellpadding="3" cellspacing="1" width="100%" class="forumline"> <tr> <th class="thCornerL" width="22%" height="26">Autor</th> <th class="thCornerR">Wiadomość</th> </tr> <tr> <td width="22%" align="left" valign="top" class="row1"><span class="name"><a name=""></a><b>ucfafnx93</b></span></td> <td class="row1" height="28" valign="top"><table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr> <td width="100%"><img src="http://picsrv.fora.pl/subSilver/images/icon_minipost.gif" width="12" height="9" alt="Post" title="Post" border="0" /><span class="postdetails">Wysłany: Pon 4:22, 21 Mar 2011<span class="gen"> </span> Temat postu: Beats by dre</span></td> </tr> <tr> <td colspan="2"><hr /></td> </tr> <tr> <td colspan="2"><span class="postbody">beats arising from the mistuned unison are called first-order beats,<a href="http://www.beatsbydredre.net" target="_blank" class="postlink">Beats by Dr. Dre</a>, and are both an acoustic and psychoacoustic phenomenon. beats also may be heard between pure tones that are nearly an octave, fifth or fourth apart. these are called secondary or second-order beats, where the beat frequency is equal to the frequency difference e between the upper tone and the exact interval for the octave, 2e for the fifth and 3e for the fourth. however, no amplitude modulation is present, and the beating results from effects of neural processing. <br />sound example: beats produced by 100 and 110 hz,<a href="http://www.beatsbydredre.net" target="_blank" class="postlink">Beats by dre</a>, with the higher tone gradually reduced to 100 hz causing the beats to slow down and disappear. <br /> <br /> <br />although two tones with a constant phase difference sound the same, independent of the degree of phase difference,<a href="http://www.beatsbydredre.net/index.php?main_page=news_archive" target="_blank" class="postlink">beats by dre news</a>, in the case of secondary beats, the phase difference is constantly changing, producing a changing waveform, as can be seen in the diagram below. the phenomenon occurs only where the lower tone is below about 1500 hz. however, it also occurs with dichotic listening where it is called binaural beats and where the phase difference is interpreted as in binaural hearing,<a href="http://www.beatsbydredre.net/beats-by-dre-studio-c-1.html" target="_blank" class="postlink">Beats by dre Studio</a>, i.e. as a spatial difference. see also: critical bandwidth. <br /> <br /> <br />see: tuning. compare: grain, tremolo, vibrato. <br />beats recur at a rate equal to the difference between the two frequencies, called the beat frequency. thus the beat frequency produced by 500 hz and 496 hz is 4 hz. piano tuners use the phenomenon of beats when bringing strings into unison.</span></td> </tr> </table></td> </tr> <tr> <td colspan="2" height="1" class="spaceRow"><img src="http://picsrv.fora.pl/subSilver/images/spacer.gif" alt="" width="1" height="1" /></td> </tr> </table>
fora.pl
- załóż własne forum dyskusyjne za darmo
Powered by
phpBB
© 2001, 2005 phpBB Group
Regulamin
FAQ
Szukaj
Użytkownicy
Grupy
Galerie
Rejestracja
Zaloguj się, by sprawdzić wiadomości
Zaloguj