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atlantik elektronik Presse

Nuvoton ISD ChipCorder


 
 

Features

  • Fast Digital Recording: up to 1Mbits/second Recording data rate using internal flash memory
  • Duration: 2 to 32 minutes based on 8KHz/4bit ADPCM
  • Message Management
            _Address-free recording: start address submitted via SPI interface.
            _Pre-recorded audio storage (Voice Prompts)
            _Index based command for playback
  • Sample Rate
            _Seven record and playback sampling frequencies available
            _Using I2S: 32, 44.1 and 48kHz master sample rates available
  • Compression Algorithms
            _For recording
                  - ADPCM: 2, 3, 4 or 5 bits per sample
                  - µ-Law: 6, 7 or 8 bits per sample
                  - Differential µ-Law: 6, 7 or 8 bits per sample
                  - PCM: 8, 10 or 12 bits per sample
            _For Pre-Recorded Voice Prompts
                  - µ-Law: 6, 7 or 8 bits per sample
                  - Differential µ-Law: 6, 7 or 8 bits per sample
                  - PCM: 8, 10 or 12 bits per sample
                  - Enhanced ADPCM: 2, 3, 4 or 5 bits per sample
                  - Variable bit rate optimized compression

 

 

 

 

 

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