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Newton Developer Technical Information: Newton Programmer's Guide: 2.1 OS Addendum /
Chapter 7 - Sound / About Sound


Sampling Rates

The hardware sampling rate of all Newton devices based on the 2.0 and earlier operating system is 22026.43172. On these devices, sampling rates of 22026.43172 and 11013.21586 have been commonly used for sounds.

On Newton 2.1-based devices, the hardware sampling rate is 21600, so you should use that as your base rate on such devices. On the MessagePad 2000 unit, a powerful algorithm resamples sounds recorded at any rate, so they can be played without significant degradation of quality. On the eMate 300 unit, the best sampling rate multiple to use for best quality sounds is 10800.


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© Apple Computer, Inc.
26 APR 1997



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