基于智能手机平台高清语音的设计与实现

摘要

The MT6572 smart phone platform integrates a Dual-core Cortex-A7 operating up to 1.0GHz, which is designed by MediaTek Inc. The platform supports AMR-NB and AMR-WB voice codec, and supports Dual MIC noise cancel ation etc. This article mainly introduces the audio performance and theory of MT6572, the HD-VOICE conception and requirements, and gives some design guideline rules of the HD-VOICE implementation.%MT6572平台是由联发科公司推出的双核Cortex-A7主频1.0GHz的智能手机平台。该平台支持AMR-NB和AMR-WB语音编解码，支持双麦克风噪声消除算法等等。文章介绍了MT6572平台的语音性能特点和高清语音的具体要求，并提出了手机实现高清语音的设计要点。