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Commits on Dec 24, 2023

• 修复mp3-engine.js在1.3中因代码精简产生的bug：录制mp3文件达到100MB以上的处理代码被精简掉了，还原代码修复

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Commits on Dec 17, 2023

• 修复部分压缩混淆工具生成带$的变量名导致replace失效Worker报错（仅1.3.x存在此bug）；重写FrequencyHistogramView可视化插件代码（功能增强、移除iOS小程序下存在bug的canvas api调用）

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Commits on Dec 8, 2023

• 修复IIRFilter一些情况下数值溢出产生爆音；ogg、amr编码器内置atob；小程序、uniapp的demo增加asr语音识别示例

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Commits on Dec 1, 2023

• Recorder增加非浏览器环境支持，大幅精简编码器源码，重写并复活RecordApp（和老版本RecordApp不兼容）

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Commits on Jul 1, 2023

• 新增runningContext配置项，已知iOS16如果没有用户操作时无法调用AudioContext.resume，修复BufferStreamPlayer在iOS16下无法start的问题

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Commits on Jun 29, 2023

• 修复iOS16上第二次open无法录录音的问题，优化SampleData函数性能，调整BufferStreamPlayer代码

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Commits on Jun 17, 2023

• SampleData转换音质大幅提升，增加g711格式支持；内置IIRFilter滤波函数，SampleData中增加了低通滤波，可有效抑制混叠产生的杂音，16k和8k采样率下的录音音质明显变好

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Commits on Jun 10, 2023

• 恢复audioTrackSet默认设置，降噪和回声消除由浏览器提供默认值，试图减少新版本iOS上录音小和不能录音的问题

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Commits on Feb 1, 2023

• 增加GetContext、PowerDBFS，Recorder.CLog可以禁用日志输出，尝试修复iPhone14专有的AudioContext.resume异常

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Commits on Aug 7, 2022

• 新增MediaRecorder支持，音质更佳；调整WaveView波形不乱变形；npm包增加.d.ts声明文件

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Commits on Jun 28, 2022

• 调整代码，增加临时调试选项 _D220626 试图减少对浏览器录音的影响

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Commits on May 7, 2022

• 升级BufferStreamPlayer插件功能，开源ASR语音识别阿里云版插件

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Commits on Mar 5, 2022

• 调整AudioWorklet优先级

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Commits on Mar 4, 2022

• 提供AudioWorklet支持，优化日志显示

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Commits on Aug 3, 2021

• 累积更新：增加对MediaStream的直接支持，增加BufferStreamPlayer扩展用于实时音频片段文件播放，新增pcm格式编码器

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Commits on Nov 26, 2020

• 修复SampleData函数导致高采样率有杂音的bug，新增RecordApp的vue demo

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Commits on Nov 17, 2020

• 累积更新：统一日志输出格式，H5和App均提升iframe兼容性，重构ios微信jssdk调用逻辑

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Commits on Jun 23, 2020

• WebWorker兼容新版Chrome83：在file协议下如果立即revokeObjectURL，WebWorker将无法正常使用

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Commits on May 17, 2020

• 修复takeoffEncodeChunk在RecordApp Native端无效的bug，优化buffers内存清理逻辑

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Commits on May 16, 2020

• 发布1.1，升级支持takeoffEncodeChunk选项，mp3格式实时编码更优秀

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Commits on Mar 26, 2020

• 修复webpack下如果使用了babel-polyfill.parseInt导致mp3.js中Worker内parseInt函数丢失的bug，删掉amr引擎中不仅没用的还会导致babel编译后产生错误的函数解析代码

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Commits on Jan 10, 2020

• 修复onProcess异步模式和清理buffers的冲突

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Commits on Jan 8, 2020

• 升级onProcess异步处理支持，增加变速变调Sonic扩展

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Commits on Jan 2, 2020

• 增强onProcess回调，允许修改buffers中的数据达到改变最终的音频结果，用来简单有限的实现实时静音、降噪、混音等处理

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Commits on Dec 6, 2019

• 修复open途中强制调用start时可能导致的_call未准备好的错误，调整文档描述

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Commits on Dec 1, 2019

• 用umd包裹一层支持import/require，提交npm

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Commits on Nov 9, 2019

• Recorder添加TrafficImgUrl选项

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• Recorder添加TrafficImgUrl选项

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Commits on Nov 7, 2019

• 新增Recorder.BufferSize，废弃set.bufferSize。 MediaStream全局内只连接一次来规避Safari不能连续录音的问题

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• 新增Recorder.BufferSize，废弃set.bufferSize。 MediaStream全局内只连接一次来规避Safari不能连续录音的问题

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Commits on Nov 6, 2019

• 低版本浏览器一些api兼容

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Commits on Nov 5, 2019

• 生成的mp3信息存入set中

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Commits on Nov 3, 2019

• Recorder.SampleData增加固定帧长度选项

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Commits on Nov 2, 2019

• 优化mp3编码性能，去除mp3开头的lame信息静默数据，精简lamejs

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Commits on Oct 26, 2019

• 解决设备卡顿时接收到PCM缺失导致的音频变短 xiangyuecn#51

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