| ADC | Analog-to-Digital Codec |
| AEC | Acoustic Echo Cancellation |
| AES | Advanced Encryption Standard |
| CVSD | Continuous Variable Slope Delta |
| DAC | Digital-to-Analog Codec |
| DSP | Digital Signal Processor |
| EC | Echo Cancellation |
| EQ | Equalizer |
| ES | Echo Suppression |
| GUI | Graphic User Interface |
| HD | High Definition |
| HFP | Hands-Free Profile |
| HPF | High-Pass Filter |
| IIR | Infinite Impulse Response |
| MAC | Medium Access Control |
| MEMS | Micro-Electro Mechanical Systems |
| MHS | Mono-Headset |
| MIPS | Mega Instructions Per Second |
| 1SPK | Mono speakerphone |
| mSBC | Modified Sub-Band Coding |
| NR | Noise Reduction |
| SHS | Stereo-Headset |
| SCO | Synchronous Connection-Oriented |
| 2SPK | Stereo Speakerphone |
| SPL | Sound Pressure Level |
| SNR | Signal-to-Noise Ratio |
| VAD | Voice Activity Detection |
