1000Hz is used in acoustics as reference frequency for testing. What is special in it, why not 688.5Hz or 440Hz? - Quora
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Squeezing traces at 1 MHz (zero span, 10 kHz resolution bandwidth, and... | Download Scientific Diagram
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SciELO - Brasil - Timpanometria com tons teste de 226 Hz e 1 kHz em um grupo de lactentes com indicadores de risco para deficiência auditiva Timpanometria com tons teste de 226
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