Sound sources 102 sound source localization system is an acoustic evaluation system specially designed for post-cochlear implant directional testing, hearing aid fitting, debugging, and speech testing. It has built-in Chinese 12th Five-Year Language Planning Vocabulary Materials. It is equipped with 24 XLR/TRS mixed input interfaces and 1 HD video playback input that supports 1920*1080 pixels. 24 large three-core balanced audio inputs, 24 XLR6.35 audio outputs, 1 HDMI high-definition video output, support 1 channel at 96kHz, and both stereo optical S/PDIF and Lotus S/PDIF support 96kHz. There is also a SMPTE time synchronization input and a word clock input and output.