为什么值得关注

它提供了一种实用、开源的方式，为数字音频增添真实的磁带特性，并支持多种磁带型号和流媒体录制。

适合谁使用

音频爱好者与低保真音乐制作人
追求复古音效的播客创作者
复古计算爱好者
怀旧风格项目的音效设计师

典型使用场景

为数字录音添加磁带般的温暖感和瑕疵
为播客或视频创造复古风格音频
模拟特定磁带型号（如苏联 MK-60）以制作艺术效果
实时录制网络直播流并施加磁带模拟

项目优势

提供多种磁带型号配置（BASF、Maxell、Sony、TDK、苏联 MK-60），并明确说明各自声学特点
基于广泛使用的 ffmpeg，易于融入现有工作流程
脚本简洁，附带清晰的使用说明，支持本地文件转换和流录制
采用 MIT 许可证，允许自由使用和修改

使用前须知

需要 Unix 类环境（Bash）且 ffmpeg 需编译包含 libmp3lame
仅支持预设的磁带模型，用户无法自定义参数
无图形界面，仅限命令行操作

README 快速开始

Cassette Simulation

This project simulates cassette tape audio profiles using ffmpeg.

It applies tape noise, wow and flutter pitch modulation, bandwidth limits, and equalizer adjustments.

Prerequisites

bash
ffmpeg (compiled with libmp3lame)

Repository Structure

BASF LH Extra C90: German ferric tape. Moderate hiss and mild flutter.
Maxell UD C90: Higher-grade ferric tape. Lower hiss, wider frequency range.
Sony CHF60 Type I Normal (1978): Vintage 60-minute normal tape. Warm mid-range.
Sony CHF90 (1978): Vintage 90-minute normal tape. Slightly higher tape speed drift.
TDK D90 (1995-1997): Late-era Type I tape. Clean sound, subtle analog character.
mk60: Soviet MK-60 tape. High tape hiss, heavy wow and flutter, aggressive frequency cut.

How to Use

Navigate to any cassette folder and run the scripts:

# Convert local audio files (mp3, ogg, m4a, aac)
./convert_cassette_*.sh

# Record a live web stream into segment files
./record_stream_cassette_*.sh [STREAM_URL]

Processed output files will be saved in the ./out folder.

License

MIT.

项目描述

This project simulates cassette tape audio profiles using ffmpeg

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