High Resolution Audio Codec

Since Apple removed the 3.5mm headphone jack from iPhone7 in 2016, Bluetooth headphone has become even more prevalent. Not all Bluetooth headphones are made equal. A high-resolution audio codec for wireless transmission is one of the key parts achieving real high-resolution headphone quality. GH Innovation has designed a set of proprietary codec algorithms for different applications.

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Features of Low Delay Codecs

  • High resolution stereo audio
  • Sampling rate: 44.1kHz, 48kHz, 88.2kHz, or 96kHz
  • Bit depth: 32bits, 24bits or 16bits per sample
  • Codec algorithm delay as low as 2 ms
  • Dynamically adjustable bit rate
  • Transparent quality at a bit rate around 400kbps for all high resolution stereo audio including music and voice

Features of Normal Delay Codecs

  • High resolution stereo audio
  • Sampling rate: 44.1kHz, 48kHz
  • Bit depth: 32bits, 24bits or 16bits per sample
  • Codec algorithm delay as low as 27 ms
  • Dynamically adjustable bit rate
  • Transparent quality at a bit rate around 128kbps for all high resolution stereo audio including music and voice

Applications

  • Bluetooth headphones
  • Game streaming
  • Music streaming
  • Video streaming with audio and video synchronization requirement