I don't think there is a direct, intentional correlation between the glyphs and the audio logs. There is definitely a direct correlation between the audio logs and the appearance of car alarms, blinking lights, crosswalks, etc. I have many of these mapped out.
An example of an audio log without nearby glyphs would be in the SE of D08. One of the phones in the middle of the gazebo becomes an audio log source once enough missions have been completed. A ticket machine provides a nearby clue that the audio log is available there and promptly shuts off once the log is picked up.