We have collected the most relevant information on 11 Khz Audio. Open the URLs, which are collected below, and you will find all the info you are interested in.
Blind Testing a 11 kHz Upper Hearing Limit - Audio Check
https://www.audiocheck.net/blindtests_frequency.php?frq=11
11000 Hz || 11 kHz Sine Wave Sound Frequency Tone •♕• …
https://www.youtube.com/watch?v=KruI_Xbzmsk
Audio Recording Options - Vertafore
https://help.vertafore.com/imagerightdesktop/content/audio_recording_options.htm
What is the "Signal" or "Hump" that is -11 or -9 KHz below ...
http://kc.flex-radio.com/KnowledgebaseArticle50176.aspx
One very cost effective option is to use a Radio Shack 270-054 isolation transformer and a stereo phono jack to 1/8th inch plug. The isolator goes between the SDR -1000 (to line in) output jack and the sound card audio in. For a a higher end solution, there is also a two channel EBTECH Hum Eliminator (~$60.)
Audio File Formats
https://www.csun.edu/~lg48405/sed618/assignments/audio_format.html
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