Patent ID: 11943382
Assignee: MOTOROLA SOLUTIONS, INC.
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 6:
7. A converged portable radio, comprising:
an audio receiver having first and second audio processors, the first audio processor comprising an applications processors (AP) hosting a long term evolution (LTE) modem and generating LTE digital audio, and a baseband processor (BP) hosting a land mobile radio (LMR) modem and generating LMR digital audio;
a first codec having a first D/A for converting the LTE digital audio to LTE analog audio;
a second codec having a second D/A for converting the LMR digital audio to LMR analog audio;
a hardware switch system having an AP audio switch and a BP audio switch, wherein control of the hardware switch system is shared by the AP and BP;
a single speaker shared and independently driven by selectively accessing the first and second codecs via the hardware switch system;
an audio mixer coupled to outputs of the AP audio switch and the BP audio switch of the hardware switch system; and
an audio power amplifier coupled between the audio mixer and the single speaker.