Korisnik
spacelab
Citiraj Odgovor
Tema: REW - room acoustics analysis software
Pozdrav svima,
Može li netko stručan komentirati graf koji je niže prikazan.
Hvala
< id="SL_locer" ="" title="Lock-in "> < value="auto">Detect language< value="af">Afrikaans< value="sq">Albanian< value="ar">Arabic< value="hy">Armenian< value="az">Azerbaijani< value="eu">Basque< value="be">Belarusian< value="bn">Bengali< value="bs">Bosnian< value="bg">Bulgarian< value="ca">Catalan< value="ceb">Cebuano< value="ny">Chichewa< value="zh-CN">Chinese (Simplified)< value="zh-TW">Chinese (Traditional)< value="hr">Croatian< value="cs">Czech< value="da">Danish< value="nl">Dutch< value="en">English< value="eo">Esperanto< value="et">Estonian< value="tl">Filipino< value="fi">Finnish< value="fr">French< value="gl">Galician< value="ka">Georgian< value="de">German< value="el">Greek< value="gu">Gujarati< value="ht">Haitian Creole< value="ha">Hausa< value="iw">Hebrew< value="hi">Hindi< value="hmn">Hmong< value="hu">Hungarian< value="is">Icelandic< value="ig">Igbo< value="id">Indonesian< value="ga">Irish< value="it">Italian< value="ja">Japanese< value="jw">Javanese< value="kn">Kannada< value="kk">Kazakh< value="km">Khmer< value="ko">Korean< value="lo">Lao< value="la">Latin< value="lv">Latvian< value="lt">Lithuanian< value="mk">Macedonian< value="mg">Malagasy< value="ms">Malay< value="ml">Malayalam< value="mt">Maltese< value="mi">Maori< value="mr">Marathi< value="mn">Mongolian< value="my">Myanmar (Burmese)< value="ne">Nepali< value="no">Norwegian< value="fa">Persian< value="pl">Polish< value="pt">Portuguese< value="pa">Punjabi< value="ro">Romanian< value="ru">Russian< value="sr">Serbian< value="st">Sesotho< value="si">Sinhala< value="sk">Slovak< value="sl">Slovenian< value="so">Somali< value="es">Spanish< value="su">Sundanese< value="sw">Swahili< value="sv">Swedish< value="tg">Tajik< value="ta">Tamil< value="te">Telugu< value="th">Thai< value="tr">Turkish< value="uk">Ukrainian< value="ur">Urdu< value="uz">Uzbek< value="vi">Vietnamese< value="cy">Welsh< value="yi">Yiddish< value="yo">Yoruba< value="zu">Zulu
< value="af">Afrikaans< value="sq">Albanian< value="ar">Arabic< value="hy">Armenian< value="az">Azerbaijani< value="eu">Basque< value="be">Belarusian< value="bn">Bengali< value="bs">Bosnian< value="bg">Bulgarian< value="ca">Catalan< value="ceb">Cebuano< value="ny">Chichewa< value="zh-CN">Chinese (Simplified)< value="zh-TW">Chinese (Traditional)< ed="ed" value="hr">Croatian< value="cs">Czech< value="da">Danish< value="nl">Dutch< value="en">English< value="eo">Esperanto< value="et">Estonian< value="tl">Filipino< value="fi">Finnish< value="fr">French< value="gl">Galician< value="ka">Georgian< value="de">German< value="el">Greek< value="gu">Gujarati< value="ht">Haitian Creole< value="ha">Hausa< value="iw">Hebrew< value="hi">Hindi< value="hmn">Hmong< value="hu">Hungarian< value="is">Icelandic< value="ig">Igbo< value="id">Indonesian< value="ga">Irish< value="it">Italian< value="ja">Japanese< value="jw">Javanese< value="kn">Kannada< value="kk">Kazakh< value="km">Khmer< value="ko">Korean< value="lo">Lao< value="la">Latin< value="lv">Latvian< value="lt">Lithuanian< value="mk">Macedonian< value="mg">Malagasy< value="ms">Malay< value="ml">Malayalam< value="mt">Maltese< value="mi">Maori< value="mr">Marathi< value="mn">Mongolian< value="my">Myanmar (Burmese)< value="ne">Nepali< value="no">Norwegian< value="fa">Persian< value="pl">Polish< value="pt">Portuguese< value="pa">Punjabi< value="ro">Romanian< value="ru">Russian< value="sr">Serbian< value="st">Sesotho< value="si">Sinhala< value="sk">Slovak< value="sl">Slovenian< value="so">Somali< value="es">Spanish< value="su">Sundanese< value="sw">Swahili< value="sv">Swedish< value="tg">Tajik< value="ta">Tamil< value="te">Telugu< value="th">Thai< value="tr">Turkish< value="uk">Ukrainian< value="ur">Urdu< value="uz">Uzbek< value="vi">Vietnamese< value="cy">Welsh< value="yi">Yiddish< value="yo">Yoruba< value="zu">Zulu
Text-to-speech function is limited to 200 characters
Gašo
Citiraj Odgovor
Gornja linija je spl odnosno frekventni odzivna mjestu mikrofona, a donja je fazni odziv u stupnjevima, vremenski odnos inputiranog i akusticki dobivenog signala.
spacelab
Citiraj Odgovor
izvor su zvučnici i napravio sam
freq sweep
< id="SL_locer" ="" title="Lock-in "> < value="auto">Detect language< value="af">Afrikaans< value="sq">Albanian< value="ar">Arabic< value="hy">Armenian< value="az">Azerbaijani< value="eu">Basque< value="be">Belarusian< value="bn">Bengali< value="bs">Bosnian< value="bg">Bulgarian< value="ca">Catalan< value="ceb">Cebuano< value="ny">Chichewa< value="zh-CN">Chinese (Simplified)< value="zh-TW">Chinese (Traditional)< value="hr">Croatian< value="cs">Czech< value="da">Danish< value="nl">Dutch< value="en">English< value="eo">Esperanto< value="et">Estonian< value="tl">Filipino< value="fi">Finnish< value="fr">French< value="gl">Galician< value="ka">Georgian< value="de">German< value="el">Greek< value="gu">Gujarati< value="ht">Haitian Creole< value="ha">Hausa< value="iw">Hebrew< value="hi">Hindi< value="hmn">Hmong< value="hu">Hungarian< value="is">Icelandic< value="ig">Igbo< value="id">Indonesian< value="ga">Irish< value="it">Italian< value="ja">Japanese< value="jw">Javanese< value="kn">Kannada< value="kk">Kazakh< value="km">Khmer< value="ko">Korean< value="lo">Lao< value="la">Latin< value="lv">Latvian< value="lt">Lithuanian< value="mk">Macedonian< value="mg">Malagasy< value="ms">Malay< value="ml">Malayalam< value="mt">Maltese< value="mi">Maori< value="mr">Marathi< value="mn">Mongolian< value="my">Myanmar (Burmese)< value="ne">Nepali< value="no">Norwegian< value="fa">Persian< value="pl">Polish< value="pt">Portuguese< value="pa">Punjabi< value="ro">Romanian< value="ru">Russian< value="sr">Serbian< value="st">Sesotho< value="si">Sinhala< value="sk">Slovak< value="sl">Slovenian< value="so">Somali< value="es">Spanish< value="su">Sundanese< value="sw">Swahili< value="sv">Swedish< value="tg">Tajik< value="ta">Tamil< value="te">Telugu< value="th">Thai< value="tr">Turkish< value="uk">Ukrainian< value="ur">Urdu< value="uz">Uzbek< value="vi">Vietnamese< value="cy">Welsh< value="yi">Yiddish< value="yo">Yoruba< value="zu">Zulu
< value="af">Afrikaans< value="sq">Albanian< value="ar">Arabic< value="hy">Armenian< value="az">Azerbaijani< value="eu">Basque< value="be">Belarusian< value="bn">Bengali< value="bs">Bosnian< value="bg">Bulgarian< value="ca">Catalan< value="ceb">Cebuano< value="ny">Chichewa< value="zh-CN">Chinese (Simplified)< value="zh-TW">Chinese (Traditional)< ed="ed" value="hr">Croatian< value="cs">Czech< value="da">Danish< value="nl">Dutch< value="en">English< value="eo">Esperanto< value="et">Estonian< value="tl">Filipino< value="fi">Finnish< value="fr">French< value="gl">Galician< value="ka">Georgian< value="de">German< value="el">Greek< value="gu">Gujarati< value="ht">Haitian Creole< value="ha">Hausa< value="iw">Hebrew< value="hi">Hindi< value="hmn">Hmong< value="hu">Hungarian< value="is">Icelandic< value="ig">Igbo< value="id">Indonesian< value="ga">Irish< value="it">Italian< value="ja">Japanese< value="jw">Javanese< value="kn">Kannada< value="kk">Kazakh< value="km">Khmer< value="ko">Korean< value="lo">Lao< value="la">Latin< value="lv">Latvian< value="lt">Lithuanian< value="mk">Macedonian< value="mg">Malagasy< value="ms">Malay< value="ml">Malayalam< value="mt">Maltese< value="mi">Maori< value="mr">Marathi< value="mn">Mongolian< value="my">Myanmar (Burmese)< value="ne">Nepali< value="no">Norwegian< value="fa">Persian< value="pl">Polish< value="pt">Portuguese< value="pa">Punjabi< value="ro">Romanian< value="ru">Russian< value="sr">Serbian< value="st">Sesotho< value="si">Sinhala< value="sk">Slovak< value="sl">Slovenian< value="so">Somali< value="es">Spanish< value="su">Sundanese< value="sw">Swahili< value="sv">Swedish< value="tg">Tajik< value="ta">Tamil< value="te">Telugu< value="th">Thai< value="tr">Turkish< value="uk">Ukrainian< value="ur">Urdu< value="uz">Uzbek< value="vi">Vietnamese< value="cy">Welsh< value="yi">Yiddish< value="yo">Yoruba< value="zu">Zulu
Text-to-speech function is limited to 200 characters
Krešica
Citiraj Odgovor
Soba "guta" sve ispod 150 Hz?
Da li je mikrofon bio na mjestu slušanja?
Da li je soba akustički tretirana?
Smještaj zvučnika? Geometrija sobe? Kvadratura?
Puno nepoznanica ...
Ekvilajzer bi tu svašta napravio, jedino kaj nebi riješio refleksije :D
Gašo
Citiraj Odgovor
Nista ne guta nego dolazi do comb filtriranja pa je prosjek snizenje spla
damic
Citiraj Odgovor
Spacelab, ako meris odziv zvucnika u sobi, mikrofon mora biti merni (kalibracijski) omnidirekcionalne polarne karakteristike. Mikrofon se postavlja na mesto gde je glava slusaoca (treba stalak) vrh upravljen ka plafonu, dakle vertikalno.
Prikazan je SPL-Phase graph, bolje klikni tab All SPL, na ikoni Limits izaberi 20Hz-20KHz, vertikalna osa 45dB - 105dB, to je neka vrsta standarda velicine ekrana za SPL merenja.
Levo gore na "Graph" izaberi "Apply Psychoacoustic" i dobices izgled svima dobro poznate freq. krive odziva zvucnika u svojoj sobi koji najvise odgovara onome kako cujemo.
Kod analize basa, posmatra se deo 20Hz-200Hz, rezolucija "Remove smoothing". Tu ces tek da vidis sta imas od basa, bice nekoliko pikova i rupa.
Kad otvoris tab "Waterfall" klikom na "Generate" dobices freq. odziv ali u jedinici vremena, gde ce se jasno videti kako koji deo zvucnog spektra "odumire". Grebeni na bas podrucju (od 20Hz do 200-250Hz) indiciraju poznate sobne modove koje sigurno imas.
Ima tu jos gomila korisnih info.
spacelab
Citiraj Odgovor
@damic hvala na pojašnjenju, nigdje ne vidim "
Apply Psychoacoustic"
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< value="af">Afrikaans< value="sq">Albanian< value="ar">Arabic< value="hy">Armenian< value="az">Azerbaijani< value="eu">Basque< value="be">Belarusian< value="bn">Bengali< value="bs">Bosnian< value="bg">Bulgarian< value="ca">Catalan< value="ceb">Cebuano< value="ny">Chichewa< value="zh-CN">Chinese (Simplified)< value="zh-TW">Chinese (Traditional)< ed="ed" value="hr">Croatian< value="cs">Czech< value="da">Danish< value="nl">Dutch< value="en">English< value="eo">Esperanto< value="et">Estonian< value="tl">Filipino< value="fi">Finnish< value="fr">French< value="gl">Galician< value="ka">Georgian< value="de">German< value="el">Greek< value="gu">Gujarati< value="ht">Haitian Creole< value="ha">Hausa< value="iw">Hebrew< value="hi">Hindi< value="hmn">Hmong< value="hu">Hungarian< value="is">Icelandic< value="ig">Igbo< value="id">Indonesian< value="ga">Irish< value="it">Italian< value="ja">Japanese< value="jw">Javanese< value="kn">Kannada< value="kk">Kazakh< value="km">Khmer< value="ko">Korean< value="lo">Lao< value="la">Latin< value="lv">Latvian< value="lt">Lithuanian< value="mk">Macedonian< value="mg">Malagasy< value="ms">Malay< value="ml">Malayalam< value="mt">Maltese< value="mi">Maori< value="mr">Marathi< value="mn">Mongolian< value="my">Myanmar (Burmese)< value="ne">Nepali< value="no">Norwegian< value="fa">Persian< value="pl">Polish< value="pt">Portuguese< value="pa">Punjabi< value="ro">Romanian< value="ru">Russian< value="sr">Serbian< value="st">Sesotho< value="si">Sinhala< value="sk">Slovak< value="sl">Slovenian< value="so">Somali< value="es">Spanish< value="su">Sundanese< value="sw">Swahili< value="sv">Swedish< value="tg">Tajik< value="ta">Tamil< value="te">Telugu< value="th">Thai< value="tr">Turkish< value="uk">Ukrainian< value="ur">Urdu< value="uz">Uzbek< value="vi">Vietnamese< value="cy">Welsh< value="yi">Yiddish< value="yo">Yoruba< value="zu">Zulu
Text-to-speech function is limited to 200 characters
ovo je ostatak, moram ponoviti mjerenje s boljim mikrofonom ...
damic
Citiraj Odgovor
Moguce da imas instaliranu stariju verziju REW-a pa ucitaj najnoviju. Psychoacoustic rezolucija se pojavila (u gorrnjem levom graph meniju) pre godinu dana. Mozes umesto nje da koristis i varijabilni smooothing, daje pribliznu sliku ako se gleda opseg od 20Hz do 20KHz.
Kod gornja dva grafika si lose definisao vertikalnu osu, od -200dB do + 150dB. Treba, kao sto sam vec naveo u pethodnom postu od +45dB do +105dB, u protivnom se dobija poglesna predstava kad se gleda grafik. Za +45dB se obicno smatra kao donji prag tj. sum sobe a +105dB kao neki max realni spl koji se moze dostici u sobi.
Postavicu dva grafika izvesnog Jim1961 sa Gearslutz foruma koji ima jedan od najboljih odziva sobe na netu, cisto da se ima orijentacija kako bi to trebalo da izgleda.
spacelab
Citiraj Odgovor
@damic
hvala na informacijama, odlično si to objasnio ...
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< value="af">Afrikaans< value="sq">Albanian< value="ar">Arabic< value="hy">Armenian< value="az">Azerbaijani< value="eu">Basque< value="be">Belarusian< value="bn">Bengali< value="bs">Bosnian< value="bg">Bulgarian< value="ca">Catalan< value="ceb">Cebuano< value="ny">Chichewa< value="zh-CN">Chinese (Simplified)< value="zh-TW">Chinese (Traditional)< ed="ed" value="hr">Croatian< value="cs">Czech< value="da">Danish< value="nl">Dutch< value="en">English< value="eo">Esperanto< value="et">Estonian< value="tl">Filipino< value="fi">Finnish< value="fr">French< value="gl">Galician< value="ka">Georgian< value="de">German< value="el">Greek< value="gu">Gujarati< value="ht">Haitian Creole< value="ha">Hausa< value="iw">Hebrew< value="hi">Hindi< value="hmn">Hmong< value="hu">Hungarian< value="is">Icelandic< value="ig">Igbo< value="id">Indonesian< value="ga">Irish< value="it">Italian< value="ja">Japanese< value="jw">Javanese< value="kn">Kannada< value="kk">Kazakh< value="km">Khmer< value="ko">Korean< value="lo">Lao< value="la">Latin< value="lv">Latvian< value="lt">Lithuanian< value="mk">Macedonian< value="mg">Malagasy< value="ms">Malay< value="ml">Malayalam< value="mt">Maltese< value="mi">Maori< value="mr">Marathi< value="mn">Mongolian< value="my">Myanmar (Burmese)< value="ne">Nepali< value="no">Norwegian< value="fa">Persian< value="pl">Polish< value="pt">Portuguese< value="pa">Punjabi< value="ro">Romanian< value="ru">Russian< value="sr">Serbian< value="st">Sesotho< value="si">Sinhala< value="sk">Slovak< value="sl">Slovenian< value="so">Somali< value="es">Spanish< value="su">Sundanese< value="sw">Swahili< value="sv">Swedish< value="tg">Tajik< value="ta">Tamil< value="te">Telugu< value="th">Thai< value="tr">Turkish< value="uk">Ukrainian< value="ur">Urdu< value="uz">Uzbek< value="vi">Vietnamese< value="cy">Welsh< value="yi">Yiddish< value="yo">Yoruba< value="zu">Zulu
Text-to-speech function is limited to 200 characters
ima li netko iz Zagreba tko može posuditi mikrofon ?
pule
Citiraj Odgovor
Imam ti ECM8000 , Beyer MM1 sa kalibracijom i Sonarworks sw1 sa kalibracijom za svoj softver. Moraš imati naravno 48V za napajanje mica na ulazu.
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