1000Hz is used in acoustics as reference frequency for testing. What is special in it, why not 688.5Hz or 440Hz? - Quora
![Two Tone Signal Frequency Generator 500Hz and 1kHz [ Assembled Kit ]: Amazon.com: Industrial & Scientific Two Tone Signal Frequency Generator 500Hz and 1kHz [ Assembled Kit ]: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/81SANvxYJML.jpg)
Two Tone Signal Frequency Generator 500Hz and 1kHz [ Assembled Kit ]: Amazon.com: Industrial & Scientific
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Click and 1 kHz tone burst stimuli, as well as corresponding CEOAE and... | Download Scientific Diagram
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Output of the class-D amplifier for a 1.5 kHz single tone audio input.... | Download Scientific Diagram
![SOLVED: Given the combined (i.e., total) transfer function of the ear canal and concha, what will be the approximate level of a 1 kHz tone played at 50 dB SPL outside the SOLVED: Given the combined (i.e., total) transfer function of the ear canal and concha, what will be the approximate level of a 1 kHz tone played at 50 dB SPL outside the](https://cdn.numerade.com/ask_images/8245fef675b44627b38ed3072c9b0c11.jpg)