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› Forums › Foundations of speech › Signal processing › Sampling rate
What’s the effect of reducing the sampling rate of a speech waveform?
The most obvious effect is that the maximum frequency that can be stored (the Nyquist frequency) is reduced. That is, the speech has been low-pass filtered. The attached samples illustrate this.
This should be apparent even at high sampling rates – you should hear a clear difference between the 32kHz and 16kHz sample rate files. Use good headphones if possible.
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