CEDAR Cambridge vs Selekt Audio Restoration

CEDAR Cambridge is a 64-bit platform for speech enhancement and audio restoration on macOS and Windows. Its modular processing system can be automated and is described for audio forensics and security, archives and libraries, broadcast, and mastering. Voice extraction options include DNS, DNS Two, FNR, and VoicEX; other tools address noise, impulse sounds, and speech intelligibility. Retouch provides spectral editing, while dynamics, loudness control, and equalisation modules cover operations such as compression, limiting, and normalisation. Depending on hardware, processing can reach up to 100 times faster than real time. Cambridge can integrate with media asset management systems and add track reports and metadata to databases. Its Report Generator records processing details and produces PDF, HTML, or XML reports. Silent 1 is intended for individual users, while Series V is aimed at batch processing in archives, libraries, and forensic laboratories. The listed starting price is £349, with a 14-day trial; prospective hardware or systems buyers are directed to contact CEDAR Audio for pricing information.

Selekt Audio Restoration is a browser-based tool for cleaning vocal recordings and older recordings or transfers. Modern voice mode targets steady room noise in isolated vocals, voiceovers and podcasts; vintage mode addresses hiss, hum, crackle, clicks and surface noise. Users can optionally master the cleaned track at no charge and compare or download the original, restored and mastered versions. The tool accepts MP3, WAV, FLAC, M4A and OGG files up to 250 MB. Modern voice mode treats non-voice audio as noise, so a full mix may require separating the vocal stem first. Users can also choose stems to split restored audio. Uploads are processed privately and are not added to the catalog. Results appear in My Library → Studio Results and remain available to stream or download for 48 hours. The restoration workflow is part of Selekt’s connected audio workspace, where results can move to tools such as Stem Lab and Drum Kit. A free plan is available; paid access starts at $5 per month, with an annual option at $50 per year.