7 Nov
                
                    2008
                
            
            
                7 Nov
                
                '08
                
            
            
            
        
    
                3:08 p.m.
            
        Baek Chang wrote:
Playing WAVE 'sine_24_48k.wav' : Signed 24 bit Little Endian in 3bytes, Rate 48000 Hz, Stereo aplay: set_params:961: Sample format non available
This error message indicates that the device does not support the sample format.
You didn't show the aplay command line, but I'd guess that you used a "hw" device. Try "plughw" or "default" to get automatic sample format conversion.
HTH Clemens