Re: Huffman sequences (=?ISO-8859-1?Q?Henrik_M=F8ller?= )


Subject: Re: Huffman sequences
From:    =?ISO-8859-1?Q?Henrik_M=F8ller?=  <hm@xxxxxxxx>
Date:    Thu, 20 Aug 2009 18:17:51 +0200
List-Archive:<http://lists.mcgill.ca/scripts/wa.exe?LIST=AUDITORY>

This is a multi-part message in MIME format. --------------020809010005020602040706 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: quoted-printable X-MIME-Autoconverted: from 8bit to quoted-printable by drizzle.cc.mcgill.ca id n7KGHxrK002454 Hi Andrea Huffman sequences are truncated impulse responses of all-pass sections. In addition to Patterson and Green (1970), you may want to read their=20 reference: D. A. Huffman, "The Generation of Impulse-Equivalent Pulse=20 Trains," IRE Trans. Inform. Technol., vol. IT-8, pp. S10-S16 (1962). Regards, Henrik Henrik M=F8ller Professor Section of Acoustics, Department of Electronic Systems Aalborg University Fredrik Bajers Vej 7 B5 DK-9220 Aalborg =D8, Denmark Phone: +45 9940 8711 (direct) Phone: +45 9940 8710 (section office) Phone: +45 9940 9940 (switchboard) Fax: +45 9815 2144 (section office) mailto:hm@xxxxxxxx (personal) mailto:acoustics@xxxxxxxx (section office) http://acoustics.aau.dk Andrea Valle skrev: > Dear List, > > I know Hufmann coding but I never heard of Hufmann sequences as audio=20 > signals. Now, I'm re-reading Moore citing Patterson and Green (1970)=20 > about Hufmann sequences discrimination task. > Could anyone share some info? (if possible, I'd like to resynthesize=20 > them for didactical purposes) > > Thanks a lot > > Best > > -a- > > -------------------------------------------------- > Andrea Valle > -------------------------------------------------- > CIRMA - DAMS > Universit=E0 degli Studi di Torino > --> http://www.cirma.unito.it/andrea/ > --> http://www.myspace.com/andreavalle > --> http://www.flickr.com/photos/vanderaalle/ > --> http://www.youtube.com/user/vanderaalle > --> andrea.valle@xxxxxxxx <mailto:andrea.valle@xxxxxxxx> > -------------------------------------------------- > > - La Repubblica promuove lo sviluppo della cultura e la ricerca=20 > scientifica e tecnica. > - La Repubblica detta le norme generali sull'istruzione ed istituisce=20 > scuole statali per tutti gli ordini e gradi. > (Costituzione della Repubblica Italiana, art. 9 e 33 > --------------020809010005020602040706 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta content="text/html;charset=ISO-8859-1" http-equiv="Content-Type"> </head> <body bgcolor="#ffffff" text="#000000"> Hi Andrea<br> <br> Huffman sequences are truncated impulse responses of all-pass sections.<br> <br> In addition to Patterson and Green (1970), you may want to read their reference: D. A. Huffman, &#8220;The Generation of Impulse-Equivalent Pulse Trains,&#8221; IRE Trans. Inform. Technol., vol. IT-8, pp. S10-S16 (1962).<br> <br> Regards,<br> <br> Henrik<br> <br> <pre class="moz-signature" cols="72">Henrik M&oslash;ller Professor Section of Acoustics, Department of Electronic Systems Aalborg University Fredrik Bajers Vej 7 B5 DK-9220 Aalborg &Oslash;, Denmark Phone: +45 9940 8711 (direct) Phone: +45 9940 8710 (section office) Phone: +45 9940 9940 (switchboard) Fax: +45 9815 2144 (section office) <a class="moz-txt-link-freetext" href="mailto:hm@xxxxxxxx">mailto:hm@xxxxxxxx</a> (personal) <a class="moz-txt-link-freetext" href="mailto:acoustics@xxxxxxxx">mailto:acoustics@xxxxxxxx</a> (section office) <a class="moz-txt-link-freetext" href="http://acoustics.aau.dk">http://acoustics.aau.dk</a></pre> <br> <br> Andrea Valle skrev: <blockquote cite="mid:20090820145422.877964668@xxxxxxxx" type="cite">Dear List, <div><br> </div> <div>I know Hufmann coding but I never heard of Hufmann sequences as audio signals. Now, I'm re-reading Moore citing Patterson and Green (1970) about Hufmann sequences discrimination task.</div> <div>Could anyone share some info? (if possible, I'd like to resynthesize them for didactical purposes)</div> <div><br> </div> <div>Thanks a lot</div> <div><br> </div> <div>Best</div> <div><br> </div> <div>-a-</div> <div><br> </div> <div> <span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; 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;"> <div style=""><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; 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;"> <div style=""> <div> <div>--------------------------------------------------</div> <div>Andrea Valle</div> <div>--------------------------------------------------</div> <div>CIRMA - DAMS</div> <div>Universit&agrave; degli Studi di Torino</div> <div>--&gt;&nbsp;<a moz-do-not-send="true" href="http://www.cirma.unito.it/andrea/" target="_blank">http://www.cirma.unito.it/andrea/</a></div> <div>--&gt;&nbsp;<a moz-do-not-send="true" href="http://www.myspace.com/andreavalle" target="_blank">http://www.myspace.com/andreavalle</a></div> <div>--&gt;&nbsp;<a moz-do-not-send="true" href="http://www.flickr.com/photos/vanderaalle/" target="_blank">http://www.flickr.com/photos/vanderaalle/</a></div> <div>--&gt; &nbsp;<a moz-do-not-send="true" href="http://www.youtube.com/user/vanderaalle" target="_blank">http://www.youtube.com/user/vanderaalle</a></div> <div>--&gt;&nbsp;<a moz-do-not-send="true" href="mailto:andrea.valle@xxxxxxxx" target="_blank">andrea.valle@xxxxxxxx</a></div> <div>--------------------------------------------------</div> <div><br> </div> <div>- La Repubblica promuove lo sviluppo della cultura e la ricerca scientifica e tecnica.</div> <div>- La Repubblica detta le norme generali sull'istruzione ed istituisce scuole statali per tutti gli ordini e gradi.</div> <div>(Costituzione della Repubblica Italiana, art. 9 e 33</div> </div> </div> </span></div> </span> </div> <br> </blockquote> </body> </html> --------------020809010005020602040706--


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