[racket] sound.ss teachpack

If you don't mind relying on an external program you can install
espeak ( http://espeak.sourceforge.net/) and then simply do:

(define (speak text) (system* (find-executable-path "espeak") text))
(speak "Hello world")

Stephan


On 07/19/2011 04:28 AM, Matthias Felleisen 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
>> <matthias at 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
>>>>
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>>>
>>>
>