Grace Baldonasa wrote: > I am dividing the buffer size into 20 ms, in the given example, I am > sending 176 bytes / packet. This would correspond to a sample rate of 44000 Hz. You cannot use a constant number of bytes per packet at 44100 Hz. > I have here another scenario and I hope you can give me some idea again. > I have converted a song using this configuration: > sampling rate = 32000 > bit resolution = 16 > channel = stereo > after this computation (32000*16*2) * 2 -> 128/packet > > I used a speaker which is supporting a minimum frequency of 44100 and > maximum of 48000. How can I adjust my streaming size now that the streaming > configuration far below than the minimum supported by the speaker. See section 5.12 of the USB 2.0 specification. > I attached this speaker in windows and then played the converted file, it > is sending 192bytes/packet, and the total bytes transffered had almost > trippled the original size of the converted file. Apparently, Windows has converted the data to 48 kHz. Regards, Clemens ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-devel