Tagged articles

Core Audio

2 articles · Page 1 of 1

Aug 17, 2026 · Artificial Intelligence

Quill: One Feather in the Menu Bar for Fully Local Meeting Recording and Transcription

Quill is a lightweight macOS menu‑bar tool that captures both microphone and system audio in two tracks, runs an on‑device Parakeet transcription model via Core ML, and outputs speaker‑tagged transcripts without any network connection, addressing privacy and workflow challenges of meeting recording.

Core AudioSwiftaudio recording

0 likes · 17 min read

Quill: One Feather in the Menu Bar for Fully Local Meeting Recording and Transcription

Tencent Music Tech Team

May 5, 2017 · Mobile Development

Understanding iOS Core Audio: Definitions of Sample, Frame, and Packet

The article clarifies Apple’s Core Audio terminology—defining a sample as a single channel value, a frame as simultaneous samples, and a packet as one or more contiguous frames—explains why these terms are often confused across audio, networking, and codec contexts, and demonstrates the definitions with an MP3 parsing example.

Core Audioaudio processingframe

0 likes · 11 min read

Understanding iOS Core Audio: Definitions of Sample, Frame, and Packet