Senthil- > I'm working on a project on speech recog. How do you >record sound in matlab at a sampling freq of 8192Hz. Currently i'm >using windows sound recorder to record the sound at a sampling freq >of 22050 Hz which is too much for me. format conversions leads to >inaccurate reproduction of sound. You need a sound card that actually samples at 8.192 kHz. We use the old Tahiti boards which have amazing analog performance (> 92 dB SNR), and we replace the oscillator on the card so it can sample 8.192, 16.384, etc. instead of 11.025, 22.5, etc Jeff Brower DSP sw/hw engineer Signalogic |