BIRDSONG - SPARROWS
Sparrows recorded near my home February 2009 (loop of 32 seconds). If the sound does not repeat, press F5. If you wish to download, use the link here.
The pitch/timbre variation process can be seen in this spectogram:
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BIRDSONG - SPARROWS
Sparrows recorded near my home February 2009 (loop of 32 seconds). If the sound does not repeat, press F5. If you wish to download, use the link here.
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