: a device or software system that can digitize and often compress an audio or video signal for transmission (as over a telephone line) and convert an incoming signal to audio or video for reception
To permit satellite communication through such a compact antenna, an electronic device called a voice coder-decoder—or codec—translates speech into a digital signal.—
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However, there are new Bluetooth codecs (which is the software that compresses and encodes digital audio files ready for wireless transmission, then decodes and decompresses at the other end) available hoping to improve this.
—Simon Lucas, Wired News, 21 Dec. 2025
Confirm your earbuds or headphones support high-resolution Bluetooth codecs like LDAC or AptX Adaptive
Use a USB-C DAC if your headphones do not support high-res codecs
Match your audio gear to your source to avoid compression issues
Small swaps can produce big upgrades.
—Kurt Knutsson, FOXNews.com, 18 Dec. 2025
The Willen supports just the SBC codec, while the Motion 300 supports AAC, LDAC, and SBC.
—PC Magazine, 18 Nov. 2025
Each earbud is driven by two balanced armature drivers alongside a 12mm composite dynamic driver and Qualcomm’s Snapdragon Sound with support for LDAC and aptX Lossless audio codecs.
—Mark Sparrow, Forbes.com, 17 Sep. 2025
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Simon Lucas, Wired News, 21 Dec. 2025
Confirm your earbuds or headphones support high-resolution Bluetooth codecs like LDAC or AptX Adaptive
Use a USB-C DAC if your headphones do not support high-res codecs
Match your audio gear to your source to avoid compression issues
Small swaps can produce big upgrades.
—Kurt Knutsson, FOXNews.com, 18 Dec. 2025
The Willen supports just the SBC codec, while the Motion 300 supports AAC, LDAC, and SBC.
—PC Magazine, 18 Nov. 2025
Each earbud is driven by two balanced armature drivers alongside a 12mm composite dynamic driver and Qualcomm’s Snapdragon Sound with support for LDAC and aptX Lossless audio codecs.
—Mark Sparrow, Forbes.com, 17 Sep. 2025
See All Example Sentences for codec
Cite this Entry
“Codec.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/codec. Accessed 5 Jan. 2026.
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