crackly

(尤指录音或广播)吱吱啦啦的；Something that is crackly, especially a recording or broadcast, has or makes a lot of short, harsh noises.
//…the crackly sound of a wind-up gramophone.
装有发条的留声机发出的吱啦声
//…a crackly phone line.
沙沙作响的电话线