This Sine Signal Frequency Generator could generate the sine waves. The effective range of this Sine Signal Audio Generator is 35 - 24000 Hz. This Sine Signal Audio Generator has slider for shifting Sine Signal (Shifting Disabled for Audio Signal running in Service). For better experience it is recommended to use external amplifier. This Signal Generator could be called: Sound Generator, Audio Generator, Tone Generator, Frequency Generator, etc.
NOTE: final Signal quality of the Audio Sine Signal depends from the Hardware of your Android device. You could use the virtual Android emulator to run this App on the PC, and use the PC's audio card with higher sound quality due to the better DAC - Digital to Analog Converter.

NOTE: Sine Signals broadly used in the Modal Analyses for the transfer functions acquisition, also in the Durability Testing.