a system and method for enhanced acoustic sensing of signals in a pipe using a fiber optic sensing cable that can be interrogated by distributed acoustic sensing systems wherein a crescent shaped metallic device is used for attaching to the exterior of the pipe , the crescent shaped metallic device having the one or more fiber optic sensing cables embedded within an upper part of the crescent shaped device , and the crescent shaped metallic device may have one or more cavities or channels that may be empty or partially or completely filled with acoustic filters .