Thank you so much ! It is clear now. :)
bpa wrote: > I think you are mixing up "sample rate" and "bit rate" > > Sample rate is the number of audio sample per sec to make up audio > stream e.g. CD 44,100 16 bit samples > > The audio stream of a specific sample rate can then be compressed (lossy > or lossless) into data stream of bits which has a data rate or bit rate > (i.e. kbits/sec). The slower the data rate the greater the > compression. > > Bit rate was important was using live stream such with digital radio DAB > or TV DVB as player had no buffers - bandwidth of transmission medium > (e.g. satellite, terrestrial) restricted data rate of compressed audio > stream of typically 44.1Khz / 48kHz 16 bit. > > Touch is a buffered played so data is sent in bursts so bit rate is not > sdignificant. > Touch will decode the data streams and output the audio sample rate of > the data streams - realtime audio sample rate of 44.1Khz 16 bit will be > sent from digital output regards of whether the data source is > PCM - 1411k > Flac - about 700kb (can vary according to compression level ) > MP3 - typically from 32kbs up to 320kbs > > CBR will have a maximum data rate, VBR will be varying but an average > data rate as speced - again the realtime audio sample rate after > decompressing will be same as source 44.1Khz 16bit ------------------------------------------------------------------------ hankhsucc's Profile: http://forums.slimdevices.com/member.php?userid=70790 View this thread: http://forums.slimdevices.com/showthread.php?t=113074 _______________________________________________ Touch mailing list Touch@lists.slimdevices.com http://lists.slimdevices.com/mailman/listinfo/touch