AudioSource.time

Description

Позиция воспроизведения, в секундах.

Используйте это для чтения текущего времени воспроизведения или для перемотки на новое время воспроизведения.

Be aware that: On a compressed audio track position does not necessary reflect the actual time in the track
Compressed audio is represented as a set of so-called packets.
The length of a packet depends on the compression settings and can quite often be 2-3 seconds per packet. See Also: timeSamples variable.

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour
{
    AudioSource audio;

    void Start()
    {
        audio = GetComponent<AudioSource>();
    }

    void Update()
    {
        if (Input.GetKeyDown(KeyCode.Return))
        {
            audio.Stop();
            audio.Play();
        }
        Debug.Log(audio.time);
    }
}