For speech, we need to compress digitize signals at / » Multimedia Technology solved MCQs / By admin Question: For speech, we need to compress digitize signals at A. 128 khz. B. 256 khz. C. 64 khz. D. 1152 khz. Answer» c. 64 khz. Note: The above multiple-choice question is for all general and Competitive Exams in India.