Audio codecs

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audio codec
audio codec
ADAU1861

... ADAU1861 is a codec with three inputs and one output that incorporates two digital-signal processors (DSPs). The path from the analog input to the DSP core to the analog output is optimized for low latency. APPLICATIONS Automotive ...

audio codec
audio codec
CXD37 series

As wireless headphones become more widespread, there are greater needs for audio signal processing in inside headphones as well as high-resolution playback and noise-canceling functions. To address these needs, Sony Semiconductor ...

audio codec
audio codec
CMX7261

... .723.1 – CVSD Transcoder Routing: Choice of Input Sources: – C-BUS/Host, PCM Codec, Analogue Audio Inputs Choice of Output Sources: – C-BUS/Host, PCM Codec, Analogue Audio ...

audio codec
audio codec
CS42L42

... is a low power audio codec with integrated MIPI SoundWire® interface or I²C/I²S/TDM interfaces designed for portable applications. It provides a high dynamic range, stereo DAC for audio ...

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Cirrus Logic
IP audio codec
IP audio codec
IQOYA SERV/LINK

... IP audio codec handles from 4 up to 64 stereo (8 up to 128 mono) audio input and output channels in 1U. Small and potent, IQOYA SERV/LINK can also simultaneously encode and stream the ...

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DIGIGRAM
audio codec
audio codec
M400

... cost-effective SIP Opus Codecs combine the ease of SIP-based link establishment with the efficiency of the Opus audio compression format. The SIP Opus Codec devices encode or decode audio ...

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Barix
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How to choose this product
audio-codec

An audio codec is an integrated circuit or a device capable of compressing and decompressing an audio signal. It applies algorithms corresponding to the data encryption standard.

Applications

Audio codecs are used in multimedia applications or as vocoders for vocal communication, e.g., in phone applications and in video-conferencing.

Technologies

Audio codecs usually feature USB or I2C series communication ports and a bus access. They include a digital signal processor (DSP) to rapidly execute compression and decompression algorithms, and feature CNA and CAN converters, as well as microphone and loudspeaker analog interfaces. Class D amplification by pulse-width modulation is widespread.

Audio MPEG is a lossy compression format. For telephones, higher losses than for hi-fi are acceptable, so long as the conversations remain comfortably understandable. Vocal communication applications usually offer full duplex mode.

How to choose

Circuit type will depend on the application (Hi-Fi or phoning). The codec's available algorithms and the peripheral amplification and data exchange functions are essential elements to consider.