《IEEE信号处理信函》是一份每月出版的档案出版物，旨在快速传播原始、前沿的想法，并在信号、图像、语音、语言和音频处理方面做出及时、重要的贡献。
The IEEE Signal Processing Letters is a monthly, archival publication designed to provide rapid dissemination of original, cutting-edge ideas and timely, significant contributions in signal, image, speech, language and audio processing.