安信标 vs FormantScope

安信标是专为招投标行业量身打造的卓越产品，聚焦数字证书与电子签章的管理及应用。它创新性地实现全国CA证书互认，为用户构建起一站式电子招标采购服务体系。招标工作不再繁琐，效率大幅提升。安信标集成多CA的移动数字证书平台，把便捷做到极致。借助手机，用户就能在线申领各地电子招投标平台所需要的CA机构数字证书。不仅如此，招投标进程中的身份认证、电子签章文件的加解密等关键业务功能，都能通过手机轻松完成。扩大用户使用范围，降低用户使用成本。

FormantScope analyzes your voice in real time on device: it shows fundamental frequency (F0), the first and second formants (F1 and F2), and input level, with short history charts for practice and coaching. • Live numeric readouts for F0, F1, F2, and level • Dual-series charts with independent scales • Stability and gating to reduce flicker during continuous phonation • Optional WAV export to a folder you choose • iPhone, iPad, and Mac; microphone is used only for local analysis • No account required; open-source project (see support link) FormantScope does not send your microphone audio to the developer for processing. Optional recordings are saved only where you select on your device.