ADPCM-based design of synthetic voice chips

Yin Yangang; Tang Ning; Zhou Songqing

doi:10.13756/j.gtxyj.2008.03.008

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ADPCM-based design of synthetic voice chips

- ADPCM-based design of synthetic voice chips
- Study on Optical communication Issue 3, Pages: 57-59(2008)
- 作者机构：
  
  1. 桂林电子科技大学信息与通信学院
  2. 桂林电子科技大学信息与通信学院广西桂林541004
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2008.03.008
  CLC： TN912.3
- Published：2008，
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[1]殷严刚,唐宁,周松青.基于ADPCM技术的合成语音芯片设计[J].光通信研究,2008(03):57-59.

Yin Yangang, Tang Ning, Zhou Songqing. ADPCM-based design of synthetic voice chips. [J]. (3):57-59(2008)
[1]殷严刚,唐宁,周松青.基于ADPCM技术的合成语音芯片设计[J].光通信研究,2008(03):57-59. DOI： 10.13756/j.gtxyj.2008.03.008.

Yin Yangang, Tang Ning, Zhou Songqing. ADPCM-based design of synthetic voice chips. [J]. (3):57-59(2008) DOI： 10.13756/j.gtxyj.2008.03.008.

摘要

文章作者完成了一种基于自适应差分脉冲编码调制（ADPCM）技术的合成语音芯片的研究与设计

首先将压缩的ADPCM格式的语音信号进行解码

然后利用脉冲宽度调制（PWM）技术将解码后的信号转化为PWM波

直接驱动喇叭发出声音。与传统的采用权电流数/模转换进行合成语音输出的方式相比

该语音输出方式具有输出功耗小、工艺适应能力强和设计稳定可靠等优点。

Abstract

In this article

ADPCM-based study and design of synthetic voice chips are completed.The voice signals of the compressed ADPCM format are first decoded and then the decoded signals are translated into a Pulse Width Modulation（PWM） wave

directly driving the speaker to produce sounds. Compared with the traditional way of synthetic voice output by using weight current D/A conversion

the proposed approach has such advantages as small power consumption

stronger technological adaptability and stable and reliable design.

关键词

自适应差分脉冲编码调制数/模转换脉冲宽度调制合成语音

Keywords

ADPCMD/A conversionPWMsynthetic voice

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Information and Communication College,Guilin University of Electronic Technology

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