Visual sound card

The utility model relates to the technical field of sound cards, in particular to a visual sound card. The audio player comprises a shell, a control circuit, an LCD screen, an audio input interface, an audio output interface and an adjusting button, the control circuit is arranged in the shell; the LCD screen and the adjusting button are arranged on the shell; the control circuit comprises a firstprocessor, an audio input circuit, an audio output circuit, an audio encoding and decoding module and a filter; the audio input circuit is electrically connected with the audio output circuit throughthe audio encoding and decoding module; the filter is used for filtering an analog signal from the audio output circuit and sending the analog signal to the first processor for processing; the firstprocessor is used for processing a signal from the filter and driving the LCD screen to display a corresponding waveform; according to the utility model, the first processor is arranged to process theaudio signal from the audio