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LC3 Codec

Himanshu Bhalla, Oren Haggai

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Abstract

In this chapter, we will look into the details of the mandatory LE Audio codec – namely, LC3 (Low Complexity Communication Codec). The LC3 codec is the main codec used in LE Audio. Other optional or vendor-specific codecs may also be used. In this chapter, the LC3 codec is reviewed from a few angles. An algorithmic overview of the codec is provided, and various aspects of the codec features are outlined, such as compression quality, latency and complexity, the overall system delay, and bitrate.

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What this paper is about

In this chapter, we will look into the details of the mandatory LE Audio codec – namely, LC3 (Low Complexity Communication Codec). The LC3 codec is the main codec used in LE Audio. Other optional or vendor-specific codecs may also be used. In this chapter, the LC3 codec is reviewed from a few angles. An algorithmic overview of the codec is provided, and various aspects of the codec features are outlined, such as compression quality, latency and complexity, the overall system delay, and bitrate.

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Available abstract

In this chapter, we will look into the details of the mandatory LE Audio codec – namely, LC3 (Low Complexity Communication Codec). The LC3 codec is the main codec used in LE Audio. Other optional or vendor-specific codecs may also be used. In this chapter, the LC3 codec is reviewed from a few angles. An algorithmic overview of the codec is provided, and various aspects of the codec features are outlined, such as compression quality, latency and complexity, the overall system delay, and bitrate.

Key concepts: Codec, Adaptive Multi-Rate audio codec, Computer science, Speech recognition, Computer hardware, Speech processing, Voice activity detection

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