FYI, there is an updated version (v0_3) on the web page that fixes an audio pitch problem.
If you were disappointed that the old version (v0_2) had a higher pitch on the Codec2-encoded result, you'll hopefully find the new version to your liking. On Fri, Dec 16, 2011 at 8:59 PM, Peter Lawrence <[email protected]> wrote: > As an aid to those who are interested in hearing their own speech > encoded/decoded by Codec2, I've written a Windows-based demonstration > program: > > http://code.google.com/p/codec2demo/ > > Using the soundcard(s) on the PC, it allows one to speak into a > microphone and hear the result in real-time via the speakers. > > One can turn Codec2 on and off to allow a comparison of the codec with > uncompressed audio. > > Note that using a headset / handset is prudent, as sound feedback may > result if the speaker feeds directly into the microphone. > > Because of the export issues raised previously, I'm bundling a version > of Codec2 Revision 289 (which is 2500bps only). The included Revision > 289 Codec2 code has been tweaked to use the same API calls as Revision > 310 (which supports both 1400 and 2500). > > The demo program is compiled with MinGW (which is available under both > Windows and Linux). In addition to running under Windows, it seems to > work just fine under Wine under Linux. Your mileage may vary. > > Any volume adjustments (both "Playback" and "Record") must be made via > the normal Windows method (e.g. double-click the speaker symbol in the > bottom right corner of the screen). > > Please don't ask about a Linux/MacOS/Amiga/Android etc. version; the > source code is provided, so someone else is welcome to create their > own tool. > > Usage is: > > Run the program > Select the Input and Output soundcard devices of choice > Press the Start button > Adjust the Windows volume controls to suit > Listen to the results as one chooses between uncompressed and Codec2 > Press the Stop button when finished ------------------------------------------------------------------------------ Write once. Port to many. Get the SDK and tools to simplify cross-platform app development. Create new or port existing apps to sell to consumers worldwide. Explore the Intel AppUpSM program developer opportunity. appdeveloper.intel.com/join http://p.sf.net/sfu/intel-appdev _______________________________________________ Freetel-codec2 mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/freetel-codec2
