I'm trying to configure alsalib to make format conversion the asound.conf is: pcm.uda1345ts { type hw card 0 device 0 } pcm_slave.sl1 { pcm "hw:0,0" format S16_BE rate 48000 channels 2 } pcm.mono_dup { type route slave { pcm "hw:0,0" channels 2 } ttable.0.0 16 ttable.0.1 16 } pcm.dualmono { type plug slave "sl1" ttable.0.0 16 ttable.0.1 16 } pcm.recmono { type plug slave "sl1" ttable.0.0 16 ttable.1.0 16 } pcm.recmono2in1 { type plug slave "sl1" ttable.0.0 16 ttable.0.1 16 ttable.1.0 16 ttable.1.1 16 } pcm.recmono1in1 { type plug slave "sl1" ttable.0.1 16 ttable.1.1 16 } pcm.swap { type plug slave "sl1" ttable.1.0 1 ttable.0.1 1 } pcm.normal { type plug slave "sl1" } pcm.!default { type plug slave "sl1" } ctl.!default { type hw card 0 } the library version is 1.0.14a cross-compiled for avr32 with buildroot. (Alsa utils 1.0.14) a try to play a wav file with: aplay -D normal fileaudio/wav/ilSegnaleDiTest.wav and I get: Playing WAVE 'fileaudio/wav/ilSegnaleDiTest.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Mono aplay: set_params:961: Unable to install hw params: ACCESS: RW_INTERLEAVED FORMAT: S16_LE SUBFORMAT: STD SAMPLE_BITS: 16 FRAME_BITS: 16 CHANNELS: 1 RATE: 44100 PERIOD_TIME: (42666 42667) PERIOD_SIZE: (1881 1882) PERIOD_BYTES: (3762 3764) PERIODS: (3 5) BUFFER_TIME: (170657 170658) BUFFER_SIZE: 7526 BUFFER_BYTES: 15052 TICK_TIME: 0 Thanks ------------------------------------------------------------------------------ Stay on top of everything new and different, both inside and around Java (TM) technology - register by April 22, and save $200 on the JavaOne (SM) conference, June 2-5, 2009, San Francisco. 300 plus technical and hands-on sessions. Register today. Use priority code J9JMT32. http://p.sf.net/sfu/p _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user