1)   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,

 2)   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,