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...as fast as the RAM (I think the chip is made so it limits its maximum speed to the slowest memory, flash. it also has some EEPROM besides the SRAM). //P?r Ps. ATmega spec: FLASH: 16kB EEPROM: 512B SRAM: 1kB SPEED: 0-20MHz Architecture: 8-bit RISC, no FPU. Site: http://www.atmel.com/dyn/products/product_card.asp?part_id=3303

Hello Mailing List, I am a Speex supporter and user that would really like to know how much memory Speex uses to decode a 8kHz, 16kHz and 32kHz (primarily the 8kHz) and is it possible to use a 1kBytes of RAM to decode a 8kHz stream? (I was thinking of the possibility of using a ATmega168 to decode Speex) //P?r, Sweden

...> FLASH: 16kB > EEPROM: 512B > SRAM: 1kB > SPEED: 0-20MHz Too slow. > Architecture: 8-bit RISC, no FPU. All the code assumes you have a 16x16 multiplier and a 32-bit accumulator. Emulating that on an 8-bit chip would be far too costly. > Site: http://www.atmel.com/dyn/products/product_card.asp?part_id=3303 Given your requirements, the only thing that might work for you is one of the ADPCM variants. Jean-Marc