11. Candidacy for atresia surgery is based on the hearing test ( audiogram ) and CT scan imaging. 12. The graphs in Figure B are a series of masking patterns, also known as masking audiograms . 13. On an audiogram , the resulting configuration has a distinctive notch, called a'noise'notch. 14. "' Audiogram "'is an independent record label founded in Quebec in the 1980s. 15. In 2008, Les Chiens released an album, " Le Long Sentier ", on AudioGram . 16. The combination of CT scan and audiogram approach the reliability of MRI in making the diagnosis of acoustic neuroma. 17. Typical examples of audiograms showing conductive, noise induced and age-related hearing loss can be found here. 18. He released his debut album " De lune ?l'aube " in 2010 on Audiogram . 19. Classically, audiograms in neural presbycusis show a moderate downward slope into higher frequencies with a gradual worsening over time. 20. Each patient's audiogram , combined with individual testing, would determine a gain-map program for that person.