Sonia Herrero is an Audio Engineer and Educator. See below Modules for Audio Engineering. Email questions or requests to:
soniamariamedia@gmail.com
Class Resources
Readings that go with what we cover in class.
Interactive Tools from Sonia Herrero
- Microphone Patterns / Polarity
Move a talker around different mics and hear how placement, distance and pattern change the sound. - Gain Staging
Set the gain at each stage of a signal chain and see and hear headroom, clipping and noise. - Sample and Bit Rate for File Conversion
See what sample rate, bit depth and bitrate do to your audio, and which file formats to use.
Keep Learning
- iZotope Learn
Free video tutorials on RX, Ozone and Neutron, the industry tools for cleanup, EQ and mastering. - Sound On Sound Magazine
Deep-dive gear reviews, plugin technique articles and real studio session breakdowns. - Transom.org: Craft Essays
Technical guides from working producers: mic choice, editing rhythm, room tone, mix philosophy. - Podcast Standards Project
RSS, metadata, accessibility and delivery specs. The technical spec sheet for modern podcast production. - AES Standards Online
Official loudness specs (AES-R0068) and technical references. Bookmark this for client delivery specs. - Podcast Movement Community
Annual industry conference, Slack community and job board for working audio producers.
Gain Staging
- Gain Staging Like a Pro (Sweetwater)
Read this before your first session on the interface.
Polar Patterns
- Polar Patterns in Microphones: Explained (Global Audio Visual)
Good overview of each pattern and when you'd use it. - A Brief Guide to Microphones: What's the Pattern? (Audio-Technica)
Shorter read. Pay attention to the part on proximity effect.
File Conversion Best Practices
- Best Audio Formats for Recording, Mastering & Distribution (MasteringBOX)
WAV, FLAC, MP3 and the rest, and which one to use when.
Get Your Work Out There!
Where to submit audio stories.
- Transom.org
Submit finished audio pieces for publication. One of the most prestigious placements for independent narrative audio. - Third Coast International Audio Festival
Premier annual audio storytelling competition, with categories for documentary, experimental and short-form pieces. - PRX (Public Radio Exchange)
Distribute work to public radio stations, and pitch finished pieces to shows distributed through PRX. - AIR (Association of Independents in Radio)
Grants, fellowships, open calls and job postings specifically for independent audio producers. - The Moth
Personal narrative storytelling. Open mics are the on-ramp, and the Radio Hour and Podcast air the best. - NPR Pitching Guide
How to pitch stories to NPR programs: guidelines, contacts, and what each show is looking for.