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Thoughts on sound.

Notes on mixing, music production, hearing, and the craft of making records.

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May 15, 2026

Digital Audio #3: Latency, buffer size và vì sao đôi khi bạn nghe delay khi record

digital-audiolatencybuffer-sizeaudio-interfacerecordingdspmonitoring

Bạn đánh phím MIDI hoặc hát vào mic, nhưng nghe thấy âm chậm hơn nửa giây – đó là latency. Hiểu buffer size, sample rate, driver, và interface selection giúp bạn giảm lag xuống mức không nhận ra. Từ 512 samples (nghe rõ delay) đến 32 samples (real-time).

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May 15, 2026

Digital Audio #2: WAV, MP3, AAC, FLAC – format nào cho việc gì?

digital-audiofile-formatscompressionwavmp3flacaac

Lossless vs lossy, bitrate, codec, container – hiểu đúng để export đúng.

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May 15, 2026

Digital Audio #1: Chuyện gì xảy ra khi analog trở thành digital?

digital-audiosamplingbit-depthquantizationditheringaudio-conversion

sampling rate, bit depth, quantization, dithering – những điều quyết định chất lượng âm thanh số từ gốc.

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