The paper describes a codec designed to transmit compressed audio over a standard telephone line via a V34 modem. To compress 7-kHz bandwidth audio into 24 kbits/s, the codec implements a new algorithm of code excited linear prediction (CELP) optimized for speech.
Click to purchase paper as a non-member or login as an AES member. If your company or school subscribes to the E-Library then switch to the institutional version. If you are not an AES member and would like to subscribe to the E-Library then Join the AES!
This paper costs $33 for non-members and is free for AES members and E-Library subscribers.