<prompt> tafsiri zifuatazo kutoka kwa swahili hadi kiingereza.gsm imetumia kodeki za sauti mbalimbaliili kutia kilowati 3.1 za odio ndani ya 6.5 na 13 kbit s.  <response>: gsm has used a variety of voice codecs to squeeze 3.1 khz audio into between 6 and 13 kbits. 