1)   White Noise Player 1.01
White Noise Player will play any .wav file on your computer you choose on a continuous loop cycle from your system tray. This allows you to choose any sound you like from simple white nose to a relaxing rainfall to reduce distrating ambient noise.
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 2)   Tone Generator 2.10
NCH Sound Tone Generator lets you create audio tones, sweeps or noise waveforms using a Windows computer with a sound card.
tone, tone generator, frequency generator, tones, sine, sine wave, wav, waveform, test tone, frequency,

 3)   Tone Generator Professional 2.11
NCH Sound Tone Generator lets you create audio tones, sweeps or noise waveforms using a Windows computer with a sound card or a PocketPC handheld.
tone, tone generator, frequency generator, tones, sine, sine wave, wav, waveform, test tone, frequency,