Phase modifier voiceprint acquisition equipment based on four-microphone linear array

The utility model discloses a phase modifier voiceprint acquisition device based on a four-microphone linear array, and particularly relates to the technical field of electronic equipment, the phase modifier voiceprint acquisition device comprises a shell, a groove is arranged in the shell, an installation groove is arranged on the outer wall of the shell, a pull rod is arranged in the groove, and one end of the pull rod penetrates through one side of the outer wall of the shell. A fixing block is arranged on the outer wall of a pull rod, an extrusion rod is arranged on the outer wall of the fixing block, a roller is arranged on the outer wall of the extrusion rod, a fixing rod is arranged in a groove, a limiting rod is arranged on the outer wall of the fixing rod, an extrusion block is arranged on the outer wall of the limiting rod, and a limiting groove is formed in the outer wall of a mounting rod, so that the mounting rod can be fixed in the mounting groove; according to the utility model, when the microp