alice-teacher unable to hear mp3 files

[Laurie Solomon Cohen]

Yes, this method is what my students did. It's just a bit more work to download the sound, pull into Audacity, then export to .wav file, then import into Alice; especially since some .mp3 files work as is.


We use Audacity in other projects. In fact, my  fairy tale assignment includes the students creating a score/background music for their Alice movie using Audacity then importing it into Alice.  Then also adding in other sound effects such as princess screaming, dragon roaring. One student even has a loop of horse galloping sound as the knight rides in to the rescue.  We are really having fun with it.



Laurie Cohen
LSCohen613 at aol.com
240-793-1269 cell



-----Original Message-----
From: Don Slater <dslater at andrew.cmu.edu>
To: Alice Teachers <alice-teachers at lists.andrew.cmu.edu>
Sent: Tue, Dec 17, 2013 9:57 am
Subject: Re: alice-teacher unable to hear mp3 files


This is a known bug in Alice 2.



Sound-related

Alice can play most but not all mp3 and wav files
Open your sound file in an audio editor, such as Audacity, and resave your file as either a .wav or a .mp3. If for some reason the .mp3 still does not work, save the file as a .wav. 



Not all .mp3 files are created equal (created with different codecs and libraries, and it is very difficult for us to keep up with every variation.


Audacity is a free to download and use sound editor. To re-export your sound file as a .mp3 you will have to install the .lame plug-in (as .mp3 is a licensed format), (see the instructions in the Audacity home page (http://audacity.sourceforge.net).


Let us know if you have any questions.


Later,
Don Slater







On Dec 16, 2013, at 11:48 PM, Laurie Solomon Cohen <lscohen613 at aol.com> wrote:


My students have imported sounds into their Alice stories.
But today a student downloaded several sound effects .mp3 files and then imported them into her Alice story, but couldn't hear them. Then she imported a .wav file and it worked. Do only .wav files work?
I wanted to send the actual Alice file, but forgot to save it from the school network today, to send out tonight. If the answer to this requires seeing the code, I can send it tomorrow.



Laurie Cohen
Yeshiva of Greater Washington
Silver Spring, MD
LSCohen613 at aol.com
240-793-1269 cell

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