The quality or state of being continuous in sound; uninterrupted flow.

आवाज की निरंतरता

English Usage: The continuity of sound in the recording was seamless, with no discernible breaks.

Hindi Usage: रिकॉर्डिंग में ध्वनि की निरंतरता सहज थी, बिना किसी स्पष्ट विराम के।