Subject: psychoacoustically driven temporal approximation From: JesterN Alberto Novello <jestern77@xxxxxxxx> Date: Tue, 4 Mar 2014 11:05:07 +0000 List-Archive:<http://lists.mcgill.ca/scripts/wa.exe?LIST=AUDITORY>---176341844-1826692370-1393931107=:47255 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Hi all,=0Ai'm trying to find a way to approximate the sample values of an a= udio waveform in time domain.=0AI want a method that takes care of approxim= ating perceptually-relevant audio bands better than others.=0ABasically a s= pectral-weighted temporal approximation method.=A0=0AIn my head it's not cl= ear how to connect frequency components=A0to specific samples in the time d= omain.=A0=0AAny DSP wizard out there with a good idea/papers ?=0ABest regar= ds=0AAlberto=A0=0A=0A|| | | ||| |=A0 ||=A0 || | ||||| || | || | ||| | |||||= | | ||| | |||| |=A0 || ||||=0A=A0=0AALBERTO NOVELLO / JesterN=0Asite: jest= ern.com=0Ashop: jestern.bandcamp.com=0Aaudio: soundcloud.com/jestern=0Avide= o: vimeo.com/jestern=0A=A0=0A|| | | ||| |=A0 ||=A0 || | ||||| || | || | |||= | ||||| | | ||| | |||| |=A0 || ||||=0A=0A=0AIf for any reason you wish not= to receive any more messages from this email, please send an email with RE= MOVE as subject. I'm sorry for the inconvenience. =0A=0ASe per qualsiasi ra= gione non desideri ricevere piu' messaggi da questo indirizzo, mandami un m= essaggio con REMOVE nel soggetto. Mi scuso per il disturbo.=0A ---176341844-1826692370-1393931107=:47255 Content-Type: text/html; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable <html><body><div style=3D"color:#000; background-color:#fff; font-family:He= lveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;fo= nt-size:10pt"><div><span>Hi all,</span></div><div style=3D"color: rgb(0, 0,= 0); font-size: 13px; font-family: HelveticaNeue, 'Helvetica Neue', Helveti= ca, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font= -style: normal;"><span>i'm trying to find a way to approximate the sample v= alues of an audio waveform in time domain.</span></div><div style=3D"color:= rgb(0, 0, 0); font-size: 13px; font-family: HelveticaNeue, 'Helvetica Neue= ', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transpa= rent; font-style: normal;"><span>I want a method that takes care of approxi= mating perceptually-relevant audio bands better than others.</span></div><d= iv style=3D"color: rgb(0, 0, 0); font-size: 13px; font-family: HelveticaNeu= e, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;"><span>Basically a spec= tral-weighted temporal approximation method. </span></div><div style= =3D"color: rgb(0, 0, 0); font-size: 13px; font-family: HelveticaNeue, 'Helv= etica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-colo= r: transparent; font-style: normal;"><span>In my head it's not clear how to= connect frequency components </span><span style=3D"background-color: = transparent;">to specific samples in the time domain. </span></div><di= v style=3D"color: rgb(0, 0, 0); font-size: 13px; font-family: HelveticaNeue= , 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; backgrou= nd-color: transparent; font-style: normal;"><span>Any DSP wizard out there = with a good idea/papers ?</span></div><div></div><div>Best regards</div><di= v>Alberto </div><div><br></div><div style=3D"color: rgb(0, 0, 0); font= -family: arial, helvetica, clean, sans-serif; background-color: transparent= ; font-style: normal;"><span class=3D"yiv1746729208Apple-style-span" style= =3D"border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica;= font-style: normal; font-variant: normal; font-weight: normal; letter-spac= ing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transf= orm: none; white-space: normal; widows: 2; word-spacing: 0px; font-size: 16= px;"><font face=3D"Arial" size=3D"2"><font color=3D"#999999"><font size=3D"= 2">|| | | ||| | || || | ||||| || | || | ||| | ||||| | | ||| | |= ||| | || ||||</font></font></font></span><span class=3D"yiv1746729208= Apple-style-span" style=3D"border-collapse: separate; color: rgb(0, 0, 0); = font-family: Helvetica; font-style: normal; font-variant: normal; font-weig= ht: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-i= ndent: 0px; text-transform: none; white-space: normal; widows: 2; word-spac= ing: 0px; font-size: 16px;"><font face=3D"Arial" size=3D"2"><font color=3D"= #999999"><font size=3D"2"><font size=3D"2"><br><span style=3D"font-size:10px;"> </sp= an><br></font></font></font></font></span><span style=3D"font-weight:bold;"= >ALBERTO NOVELLO / JesterN</span><br>site: <span style=3D"font-weight:bold;= ">jestern.com</span><br>shop: <span style=3D"font-weight:bold;">jestern.ban= dcamp.com</span><br>audio: <span style=3D"font-weight:bold;">soundcloud.com= /jestern</span><br>video: <span style=3D"font-weight:bold;">vimeo.com/jeste= rn</span><span class=3D"yiv1746729208Apple-style-span" style=3D"border-coll= apse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: no= rmal; font-variant: normal; font-weight: normal; letter-spacing: normal; li= ne-height: normal; orphans: 2; text-indent: 0px; text-transform: none; whit= e-space: normal; widows: 2; word-spacing: 0px; font-size: 16px;"><font face= =3D"Arial" size=3D"2"><font color=3D"#999999"><span class=3D"yiv1746729208A= pple-style-span" style=3D"border-collapse: separate; color: rgb(0, 0, 0); f= ont-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spac= ing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transf= orm: none; white-space: normal; widows: 2; word-spacing: 0px; font-size: 16= px;"><font face=3D"Arial" size=3D"2"><font color=3D"#999999"><font size=3D"= 2"><font size=3D"2"><font size=3D"2"><span class=3D"yiv1746729208Apple-styl= e-span" style=3D"border-collapse: separate; color: rgb(0, 0, 0); font-famil= y: Helvetica; font-style: normal; font-variant: normal; font-weight: normal= ; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px= ; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; = font-size: 16px;"><font face=3D"Arial" size=3D"2"><font color=3D"#999999"><= font size=3D"2"><br><span style=3D"font-size:10px;"> </span><br>|| | |= ||| | || || | ||||| || | || | ||| | ||||| | | ||| | |||| |&nbs= p; || ||||</font></font></font></span><span class=3D"yiv1746729208Apple-sty= le-span" style=3D"border-collapse: separate; color: rgb(0, 0, 0); font-family: Helv= etica; font-style: normal; font-variant: normal; font-weight: normal; lette= r-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-= transform: none; white-space: normal; widows: 2; word-spacing: 0px; font-si= ze: 16px;"></span></font></font></font></font></font></span></font></font><= /span><span class=3D"yiv1746729208Apple-style-span" style=3D"border-collaps= e: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: norma= l; font-variant: normal; font-weight: normal; letter-spacing: normal; line-= height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-s= pace: normal; widows: 2; word-spacing: 0px; font-size: 16px;"><font face=3D= "Arial" size=3D"2"><font color=3D"#AAAAAA"><br><br></font></font></span></d= iv><div style=3D"color: rgb(0, 0, 0); font-family: arial, helvetica, clean,= sans-serif; background-color: transparent; font-style: normal;"><span style=3D"font-size:10px;">If for any reason you wish not to receive any mo= re messages from this email, please send an email with REMOVE as subject. I= 'm sorry for the inconvenience. <br></span></div><div style=3D"color: rgb(0= , 0, 0); font-size: 13px; font-family: arial, helvetica, clean, sans-serif;= background-color: transparent; font-style: normal;"><span style=3D"font-si= ze:x-small;">Se per qualsiasi ragione non desideri ricevere piu' messaggi d= a questo indirizzo, mandami un messaggio con REMOVE nel soggetto. Mi scuso = per il disturbo.</span><br></div></div></body></html> ---176341844-1826692370-1393931107=:47255--