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I2S (Inter-Integrated Circuit Sound)

I2S (Inter-Integrated Circuit Sound) is a Philips digital-audio interface using SCK (clock), WS (word select), and SD (data) for left/right channels; data width up to 32 bits.

Wrong Mode / Data Bits misaligns decode. See Settings.

Decode Settings

Decode Settings

I2S Decode Settings
  • Channel: Assign SCK / WS / SD.
  • Data Bits: 1–32. Default: 16.
  • Mode: I2S Justified / MSB Justified / LSB Justified / PCM / TDM. Default: I2S Justified.
  • Report columns: Default: index 0.
  • Audio restore:
    • Draw waveform: Draw audio in the waveform area. Field enabled (Enable) when checked. Default: cleared.
    • Playback: Play after analysis. Field enabled (Enable) when checked. Default: cleared.
    • Save .WAV: Save as WAV. Field enabled (Enable) when checked. Default: cleared.
    • Align common sample rate: Align to 44.1 kHz / 48 kHz, etc. Field enabled (Enable) when checked. Default: cleared.
    • Enable meet full scale: Pad width to a multiple of 8. Field enabled (Enable) when checked. Default: cleared.
  • TDM: Channel size / Length / Word Length Default 16; Channel offset Default 0; Latch Default index 0.

TDM parameters

TDM parameters

Result

I2S Result

I2S decode result

See also