You could try here also if what you need isn't in Home Theater Shack forum. Read more: audio test files - Home Theater Forum and Systems. Scroll down to "Calibrating using the Manual method". There are sweeps and individual test tones in the "Downloads" page. Using Microsoft Windows Media Encoder 9 Series and the Windows Media Audio 9 Professional codec, you can encode multichannel audioĭOC FOR TEST CD TO CALIBRATE RADIO SHACK SPL METER NCH Sound Tone Generator lets you create audio tones, sweeps or noise waveforms using a Windows computer with a sound card This is useful for testing audio systems (how low can your bass go?) and for creating the constant vibrations needed to make non-Newtonian fluids (like cornstarch and water) crawl around. Each track is a 30 second sine wave, the first is 1 Hz, the second 2 Hz, and so on, up to 99 Hz. This command creates and burns a gapless audio CD with 99 tracks. The selectable Musical Notes are calculated to a precision rounded up to 11 Decimal places, becoming a precise standard reference for the Modern Even Tempered Scale to which you can CaliBrate your Equipment and musical instruments. The complete specifications are available here. "It generates Window's RIFF Wave Format audio files with stereo"ġ6 bit sine wave signals of the highest precision, in the full range of 10 Hz to 22050 Hz, at attenuation values from 0 to 90 dB. Beat stimuli frequencies were generated using carrier tones around center frequencies between 110 Hz and 220 Hz. We applied beats at frequencies of 6 (theta), 10 (alpha), 40 (gamma) Hz and a control sine wave tone. Uses two reference pieces to compare various encoding methods Monaural beats were generated using NCA tone generator software version 2.01 (NCH Swift Sound). Warning - 0dbfs - turn your volume down before usingĪbout 40 more specialised freq test files Download Audio Tone Files - various freqsĬd with 63 files - needs 7 zip to to access
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