Audio Codec Comparison Table

Introduction

Audio codec is a small chip measuring 0.25 x 0.25 inches (7 x 7 mm) located on the motherboard in charge of the analog audio functions. Knowing the specs of a codec will permit you to compare the audio quality of different motherboards, allowing you to choose the right product for your needs.

For further details on audio codecs, including an explanation of the specs we are publishing, please read our tutorial “How On-Board Audio Works.”

We will separate the codecs according to the manufacturer.

Analog Devices (ADI/SoundMax)

Analog Devices are also known as ADI or SoundMax, and their codecs use names starting with “AD.” In Figure 1, you can see an example of an Analog Devices codec.

Analog Devices AD1988B codecFigure 1: Analog Devices AD1988B codec

Model Channels Input Resolution Output Resolution Input Max. Sampling Rate Output Max. Sampling Rate Input SNR Output SNR
AD1819B 2 16-bit 16-bit 48 kHz 48 kHz 87 dB 90 dB
AD1881A 2 16-bit 16-bit 48 kHz 48 kHz 87 dB 90 dB
AD1882 5.1 24-bit 24-bit 96 kHz 96 kHz 90 dB 95 dB
AD1884 4 24-bit 24-bit 192 kHz 192 kHz 85 dB 90 dB
AD1885 2 16-bit 16-bit 48 kHz 48 kHz 87 dB 90 dB
AD1886A 2 16-bit 16-bit 48 kHz 48 kHz 87 dB 90 dB
AD1887 2 16-bit 16-bit 48 kHz 48 kHz 87 dB 90 dB
AD1888 5.1 16-bit 20-bit 96 kHz 96 kHz 80 dB 90 dB
AD1980 5.1 16-bit 20-bit 96 kHz 96 kHz 82 dB 90 dB
AD1981A 2 16-bit 20-bit 48 kHz 48 kHz 85 dB 90 dB
AD1981B 2 16-bit 20-bit 48 kHz 48 kHz 85 dB 90 dB
AD1981BL 2 16-bit 20-bit 48 kHz 48 kHz 83 dB 90 dB
AD1981BW 2 16-bit 20-bit 48 kHz 48 kHz 85 dB 90 dB
AD1981HD 2 20-bit 24-bit 48 kHz 48 kHz 85 dB 80 to 85 dB
AD1983 2 20-bit 24-bit 48 kHz 48 kHz 85 dB 80 to 85 dB
AD1984 4 24-bit 24-bit 192 kHz 192 kHz 90 dB 96 dB
AD1985 5.1 20-bit 20-bit 96 kHz 96 kHz 85 dB 80 to 90 dB
AD1986 5.1 20-bit 20-bit 96 kHz 96 kHz 85 dB 80 to 90 dB
AD1986A 5.1 20-bit 20-bit 96 kHz 96 kHz 85 dB 80 to 90 dB
AD1987 7.1 24-bit 24-bit 96 kHz 192 kHz 90 dB 95 dB
AD1988A 7.1 24-bit 24-bit 192 kHz 192 kHz 90 dB 95 dB
AD1988B 7.1 24-bit 24-bit 192 kHz 192 kHz 92 dB 101 dB

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Author: Gabriel Torres

Gabriel Torres is a Brazilian best-selling ICT expert, with 24 books published. He started his online career in 1996, when he launched Clube do Hardware, which is one of the oldest and largest websites about technology in Brazil. He created Hardware Secrets in 1999 to expand his knowledge outside his home country.

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