Thanks for the update. -- Matthias
On Jul 19, 2011, at 4:03 PM, John Riedl wrote: > Matthias: > > Thank you for your explanation. I've gotten speak-word and speak-list > working now. There were several challenges: > > 1. HtDP talks about sound.ss. There is a sound.ss distributed with > racket 5.1.1, but it's the deinprogramm version, which supports > completely different commands. If you want the speak-word function > you need the sound.ss teachpack from > http://www.ccs.neu.edu/home/matthias/HtDP/Sound/. > > 2. Once you've installed that teachpack, you need to load it with > (require htdp/Sound/sound). > > 3. On Linux the built-in sounds are recorded in a .wav file format > that my version of the default sound command for DRRacket, aplay, (on > Ubuntu) cannot play. I had to change the sound program to "play" > (which is the sox command-line tool that plays most types of audio). > To do that, add (|GRacket:playcmd| "play") to your preferences file. > ((find-system-path 'pref-file) will show you where your preference > file is located. The vertical bars are needed since GRacket is case > sensitive, but the default preference file is case insensitive.) > > 4. Under Ubuntu my sox library did not include most of the converters. > You can install the rest of them with "sudo apt-get install > libsox-fmt-all", if you have sudo privileges. > > Enjoy! > John > > On Mon, Jul 18, 2011 at 9:28 PM, Matthias Felleisen > <matth...@ccs.neu.edu> wrote: >> >> Well, yes, if you solve the problem and plug the solution into >> the teachpack as advertised, you get to hear Stephanie Weirich >> pronounce the numbers. -- Matthias >> >> >> >> On Jul 18, 2011, at 9:28 PM, John Riedl wrote: >> >>> Thanks. The sound.ss install worked fine from Windows 7, and plays >>> .wav files, as advertised. >>> >>> What I was going from to expect speak-word and speak-list was this >>> quote from HtDP: >>> >>> ----------- >>> Once the controller returns the correct list for amounts whose dollar >>> and cent amounts are between 0 and 20, test the controller with a >>> computer that can speak. Set the teachpack to sound.ss, which makes >>> two operations available: speak-word and speak-list. The first accepts >>> a symbol or a number, the second a list of symbols and numbers. Both >>> pronounce the symbols they consume. Evaluate the following expressions >>> (speak-word 1), (speak-list (cons 1 (cons 'dollar empty))), and >>> (speak-list (cons 'beautiful (cons 'lady empty))) to understand how >>> the operations operate. >>> ---------- >>> >>> What am I misunderstanding? >>> >>> Thanks, >>> John >>> >>> On Mon, Jul 18, 2011 at 7:39 PM, Matthias Felleisen >>> <matth...@ccs.neu.edu> wrote: >>>> >>>> That's all our sound teachpack ever did. The old one is located at >>>> >>>> http://www.ccs.neu.edu/home/matthias/HtDP/Sound/ >>>> >>>> As you can see, it hasn't been maintained in a while. Sorry, let us >>>> know if it works [I don't have time right now to try.] >>>> >>>> >>>> On Jul 18, 2011, at 5:44 PM, John Riedl wrote: >>>> >>>>> Hello. What happened to the sound.ss teachpack, which apparently used >>>>> to include speak-word and speak-list methods. Those sound great fun >>>>> for teaching ... but I can't find any evidence on the Web that it ever >>>>> existed, except for Google Books hits on HtDP :). (Note that there is >>>>> a deinprogramm/sound.ss file in the current distro, but that just >>>>> plays sound files, which is less cool.) >>>>> >>>>> Thanks, >>>>> John >>>>> >>>>> _________________________________________________ >>>>> For list-related administrative tasks: >>>>> http://lists.racket-lang.org/listinfo/users >>>> >>>> >> >> _________________________________________________ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/users
