English-Chinese Glossary
This document lists terms that are used in Espressif Audio Development Framework Guide and other audio related documentation. Each term is followed by its Chinese equivalents and some have definitions.
- AAC
Chinese equivalent: AAC
Abbreviation for Advanced Audio Coding, an industry-standard audio compression format.
- acoustic
Chinese equivalent: 声学
- acoustic calibrator
Chinese equivalent: 声校准器
Also known as sound level calibrator.
- acoustic echo cancellation
Chinese equivalent: 声学回声消除
Spelled-out form of AEC.
- AEC
Chinese equivalent: AEC
Abbreviation for acoustic echo cancellation.
- Advanced Audio Distribution Profile
Chinese equivalent: 高级音频分发框架
Spelled-out form of A2DP.
- A2DP
Chinese equivalent: A2DP.
Abbreviation for Advanced Audio Distribution Profile.
- A2DP sink
Chinese equivalent: A2DP sink
- A2DP source
Chinese equivalent: A2DP source
- AFE
Chinese equivalent: AFE
Abbreviation for audio front end. Espressif audio front-end algorithm framework is developed by Espressif AI Lab to provide high-quality and stable audio data to the host.
- AirKiss
Chinese equivalent: AirKiss
AirKiss is a quick-connection technique provided by Weixin device platform for Wi-Fi devices to configure network connection.
- AMR
Chinese equivalent: AMR
Abbreviation for Adaptive Multi-Rate, an audio compression format optimized for speech coding.
- AMR-NB
Chinese equivalent: AMR-NB
Abbreviation for Adaptive Multi-Rate Narrowband, a narrowband speech audio coding standard developed based on Adaptive Multi-Rate encoding.
- AMR-WB
Chinese equivalent: AMR-WB
Abbreviation for Adaptive Multi-Rate Wideband, a wideband speech audio coding standard developed based on Adaptive Multi-Rate encoding.
- analog-to-digital converter
Chinese equivalent: 模拟数字转换器
Spelled-out form of ADC.
- ADC
Chinese equivalent: ADC
Abbreviation for analog-to-digital converter.
- audio codec
Chinese equivalent: 音频编码解码器
- audio forge
Chinese equivalent: 音频塑造
A combination of several audio backend processing techniques, including resample, downmix, automatic level control, equalizer and sonic. Users can enable or disable certain techniques as needed.
- audio gate
Chinese equivalent: 音频网关
Spelled-out form of AG.
- AG
Chinese equivalent: AG
Abbreviation for audio gate.
- audio front end
Chinese equivalent: 声学前端
Spelled-out form of AFE.
- audio passthru
Chinese equivalent: 音频透传
Also known as pipeline passthru. It is an audio technique that allows audio files to pass through a pipeline unaltered.
- audio pipeline
Chinese equivalent: 音频管道
Often used as “pipeline”. It is a chain of audio processing elements arranged in a particular order so that the output of each element is the input of the next.
- Audio Video Remote Control Profile
Chinese equivalent: 音视频远程控制规范
Spelled-out form of AVRCP.
- AVRCP
Chinese equivalent: AVRCP
Abbreviation for Audio Video Remote Control Profile.
- automatic gain control
Chinese equivalent: 自动增益控制
Spelled-out form of AGC.
- AGC
Chinese equivalent: AGC
Abbreviation for automatic gain control.
- automatic level control
Chinese equivalent: 自动电平控制
Spelled-out form of ALC.
- ALC
Chinese equivalent: ALC
Abbreviation for automatic level control.
- automatic speech recognition
Chinese equivalent: 自动语音识别
Spelled-out form of ASR.
- aux cable
Chinese equivalent: aux 音频线
Also known as auxiliary cable.
- ASR
Chinese equivalent: ASR
Abbreviation for automatic speech recognition.
- bandwidth
Chinese equivalent: 带宽
- Bass Frequency
Chinese equivalent: 低频
- BCLK
Chinese equivalent: BCLK
Abbreviation for base clock.
- BluFi
Chinese equivalent: BluFi
A Wi-Fi network configuration function via Bluetooth channel. See ESP-IDF Programming Guide for more information.
- cavity
Chinese equivalent: 腔体
- command word
Chinese equivalent: 命令词
- core dump
Chinese equivalent: 核心转储
- cutoff frequency
Chinese equivalent: 截止频率
- decoder
Chinese equivalent: 解码器
- digital media renderer
Chinese equivalent: 数字媒体渲染器
Spelled-out form of DMR.
- digital signal processor
Chinese equivalent: 数字信号处理器
Spelled-out form of DSP.
- DSP
Chinese equivalent: DSP
Abbreviation for digital signal processor or digital signal processing.
- digital-to-analog converter
Chinese equivalent: 数字模拟转换器
Spelled-out form of DAC.
- dispatcher
Chinese equivalent: 调度器
- distortion
Chinese equivalent: 失真
- DAC
Chinese equivalent: DAC
Abbreviation for digital-to-analog converter.
- Digital Living Network Alliance
Chinese equivalent: 数字生活网络联盟
Spelled-out form of DLNA.
- DLNA
Chinese equivalent: DLNA
Abbreviation for Digital Living Network Alliance.
- DMR
Chinese equivalent: DMR
Abbreviation for digital media renderer.
- downmix
Chinese equivalent: 向下混叠
An audio processing technique that mixes more audio streams to less output audio streams.
- DuerOS
Chinese equivalent: DuerOS
DuerOS is a conversational AI system developed by Baidu.
- echo
Chinese equivalent: 回声
A reflection of sound that arrives at the listener with a delay after the direct sound.
- echo reference signal
Chinese equivalent: 回声参考信号
- electret condenser microphone
Chinese equivalent: 驻极体麦克风
Spelled-out form of ECM.
- ECM
Chinese equivalent: ECM
Abbreviation for electret condenser microphone.
- element
Chinese equivalent: 元素
Also known as audio element. It is the basic building block for the application programmer developing with ADF. Every decoder, encoder, filter, input stream, or output stream is in fact an audio element.
- encoder
Chinese equivalent: 编码器
- equalizer
Chinese equivalent: 均衡器
- ESP VoIP
Chinese equivalent: ESP VoIP
ESP VoIP is a telephone client based on the standard SIP protocol, which can be used in some P2P or audio conference scenarios.
- fast Fourier transform
Chinese equivalent: 快速傅里叶变换
Spelled-out form of FFT.
- FFT
Chinese equivalent: FFT
Abbreviation for fast Fourier transform.
- FatFs
Chinese equivalent: FatFs
- FatFs stream
Chinese equivalent: FatFs 流
- FLAC
Chinese equivalent: FLAC
Abbreviation for Free Lossless Audio Codec, an audio coding format for lossless compression of digital audio.
- flexible pipeline
Chinese equivalent: 灵活管道
- FPS
Chinese equivalent: FPS
Abbreviation for frames per second.
- frames per second
Chinese equivalent: 每秒传输帧数
Spelled-out form of FPS.
- frequency response
Chinese equivalent: 频率响应
- full band
Chinese equivalent: 全频带
Spelled-out form of FB.
- FB
Chinese equivalent: FB
Abbreviation for full band.
- Hands-Free
Chinese equivalent: 免提
Spelled-out form of HF.
- HF
Chinese equivalent: HF
Abbreviation for Hands-Free.
- Hands-Free Audio Gateway
Chinese equivalent: 免提音频网关
Spelled-out form of HFP-AG.
- Hands-Free Profile
Chinese equivalent: 免提规范
- Hands-Free Unit
Chinese equivalent: 免提组件
- HFP
Chinese equivalent: HFP
Abbreviation for Hands-Free Profile.
- hardware abstraction layer
Chinese equivalent: 硬件抽象层
Spelled-out form of HAL.
- HAL
Chinese equivalent: HAL
Abbreviation for hardware abstraction layer.
- headset
Chinese equivalent: 耳机
- HFP-AG
Chinese equivalent: HFP-AG
Abbreviation for Hands-Free Audio Gateway.
- Hi-Fi speaker
Chinese equivalent: 高保真音箱
Also known as high-fidelity speaker.
- High Frequency
Chinese equivalent: 高频
- high-fidelity microphone
Chinese equivalent: 高保真麦克风
- HLS
Chinese equivalent: HLS
Abbreviation for HTTP Live Streaming.
- HTTP stream
Chinese equivalent: HTTP 流
- HTTP Live Streaming
Chinese equivalent: HTTP 直播流
Spelled-out form of HLS.
- I2S stream
Chinese equivalent: I2S 流
- insertion loss
Chinese equivalent: 插入损失
- Internet radio
Chinese equivalent: 网络电台
- Internet of Things
Chinese equivalent: 物联网
- IoT
Chinese equivalent: IoT
Abbreviation for Internet of Things.
- JPEG
Chinese equivalent: JPEG
A commonly used method of lossy compression for digital images. Same as JPG.
- JPG
Chinese equivalent: JPG
A commonly used method of lossy compression for digital images. Same as JPEG.
- Light and Versatile Graphics Library
Chinese equivalent: 轻量级多功能图形库
Spelled-out form of LVGL
- low-pass filter
Chinese equivalent: 低通滤波器
- LVGL
Chinese equivalent: LVGL
Abbreviation for Light and Versatile Graphics Library.
- M3U8
Chinese equivalent: M3U8
The Unicode version of M3U is M3U8, which uses UTF-8-encoded characters.
- M4A
Chinese equivalent: M4A
An audio encoding format for lossless compression of digital audio.
- mass production
Chinese equivalent: 量产
- maximum output power
Chinese equivalent: 最大输出功率
- MCLK
Chinese equivalent: MCLK
Abbreviation for master clock.
- mel-frequency cepstral coefficients
Chinese equivalent: 梅尔频率倒谱系数
Spelled-out form of MFCC.
- MFCC
Chinese equivalent: MFCC
Abbreviation for mel-frequency cepstral coefficients.
- microphone
Chinese equivalent: 麦克风
- mic
Chinese equivalent: 麦克风
Informal form for microphone.
- micro-electro-mechanical systems microphone
Chinese equivalent: 微型机型系统麦克风
Spelled-out form of MEMS mic.
- MEMS mic
Chinese equivalent: MEMS 麦克风
Abbreviation for micro-electro-mechanical systems microphone.
- microphone gain
Chinese equivalent: 麦克风增益
- microphone hole
Chinese equivalent: 麦克孔
- microSD card
Chinese equivalent: microSD 卡
- MP3
Chinese equivalent: MP3
- MP4
Chinese equivalent: MP4
- MultiNet
Chinese equivalent: MultiNet
MultiNet is a lightweight model specially designed based on CRNN and CTC for the implementation of multi-command recognition.
- multi-room
Chinese equivalent: 多房间
- Multi-Room Music
Chinese equivalent: Multi-Room Music
ESP Multi-Room Music is a Wi-Fi-based communication protocol to share music across multiple interconnected speakers. Under this protocol, those connected speakers form a Group. They can play music synchronously and are controlled together, which can easily achieve a theater-grade stereo surround sound system.
- narrowband
Chinese equivalent: 窄带
Spelled-out form of NB.
- NB
Chinese equivalent: NB
Abbreviation for narrowband.
- NimBLE
Chinese equivalent: NimBLE
An open-source Bluetooth Low Energy or Bluetooth Smart stack.
- noise criteria curve
Chinese equivalent: 噪声标准曲线
Also known as NC curve.
- noise rating curve
Chinese equivalent: 噪声评价曲线
Also known as NR curve.
- noise floor
Chinese equivalent: 本底噪声
- noise suppression
Chinese equivalent: 噪声抑制
Spelled-out form of NS.
- NS
Chinese equivalent: NS
Abbreviation for noise suppression.
- non-volatile storage
Chinese equivalent: 非易失性存储
Spelled-out form of NVS.
- NVS
Chinese equivalent: NVS
Abbreviation for non-volatile storage.
- OGG
Chinese equivalent: OGG
An audio compression format.
- OPUS
Chinese equivalent: OPUS
A lossy audio coding format.
- PCM
Chinese equivalent: PCM
Abbreviation for pulse-code modulation.
- pixel
Chinese equivalent: 像素
- playback
Chinese equivalent: 回放
It is a noun. The verb is “play back”.
- programmable gain amplifier
Chinese equivalent: 可编程增益放大器
Spelled-out form of PGA.
- PGA
Chinese equivalent: PGA
Abbreviation for programmable gain amplifier.
- protractor
Chinese equivalent: 量角尺
- pulse-code modulation
Chinese equivalent: 脉冲编码调制
Spelled-out form of PCM.
- raw stream
Chinese equivalent: 原始流
- resample
Chinese equivalent: 重采样
- resample filter
Chinese equivalent: 重采样过滤器
- resonant frequency
Chinese equivalent: 谐振频率
- reverberation
Chinese equivalent: 混响
- RGB
Chinese equivalent: RGB
The RGB color model is an additive color model in which the red, green, and blue primary colors of light are added together in various ways to reproduce a broad array of colors.
- ring buffer
Chinese equivalent: 环形缓冲区
- SBC
Chinese equivalent: SBC
Abbreviation for subband codec.
- SD card
Chinese equivalent: SD 卡
- Session Initiation Protocol
Chinese equivalent: 会话发起协议
Spelled-out form of SIP.
- signal-to-echo ratio
Chinese equivalent: 信回比
- signal-to-noise ratio
Chinese equivalent: 信噪比
Spelled-out form of SNR.
- SIP
Chinese equivalent: SIP
Abbreviation for Session Initiation Protocol.
- SNR
Chinese equivalent: SNR
Abbreviation for signal-to-noise ratio.
- SmartConfig
Chinese equivalent: SmartConfig
The SmartConfig TM is a provisioning technology developed by TI to connect a new Wi-Fi device to a Wi-Fi network. It uses a mobile app to broadcast the network credentials from a smartphone, or a tablet, to an un-provisioned Wi-Fi device.
- sonic
Chinese equivalent: 变声
An audio processing technique that modifies sound frequency and speed.
- sound card
Chinese equivalent: 声卡
Also known as audio card.
- sound level meter
Chinese equivalent: 分贝仪
Also known as sound pressure level meter.
- sound pickup hole
Chinese equivalent: 拾音孔
- sound pickup tube
Chinese equivalent: 拾音管道
- sound transmission loss
Chinese equivalent: 传声损失
Spelled-out form of STL.
- speech
Chinese equivalent: 语音
- speech recognition
Chinese equivalent: 语音识别
Spelled-out form of SR.
- SR
Chinese equivalent: SR
Abbreviation for speech recognition.
- SPI Flash File System
Chinese equivalent: SPI 闪存文件系统
Spelled-out form of SPIFFS.
- SPIFFS
Chinese equivalent: SPIFFS
Abbreviation for SPI Flash File System.
- SPIFFS stream
Chinese equivalent: SPIFFS 流
- subband codec
Chinese equivalent: 次频带编码
Spelled-out form of SBC.
- STL
Chinese equivalent: STL
Abbreviation for sound transmission loss.
- super wide band
Chinese equivalent: 超宽频带
Spelled-out form of SWB.
- SWB
Chinese equivalent: SWB
Abbreviation for super wide band.
- tape measure
Chinese equivalent: 卷尺
- text-to-speech
Chinese equivalent: 语音合成
Spelled-out form of TTS.
- TTS
Chinese equivalent: TTS
Abbreviation for text-to-speech.
- tolerance
Chinese equivalent: 公差
- tone
Chinese equivalent: 提示音
- total harmonic distortion
Chinese equivalent: 总谐波失真
Spelled-out form of THD.
- THD
Chinese equivalent: THD
Abbreviation for total harmonic distortion.
- voice activity detection
Chinese equivalent: 语音活动检测
Spelled-out form of VAD.
- VAD
Chinese equivalent: VAD
Abbreviation for voice activity detection.
- VoIP
Chinese equivalent: VoIP
Abbreviation for Voice over Internet Protocol.
- wake word
Chinese equivalent: 唤醒词
- wake word engine
Chinese equivalent: 唤醒词引擎
Spelled-out form of WWE.
- WakeNet
Chinese equivalent: WakeNet
WakeNet is a wake word engine built upon neural network for low-power embedded MCUs.
- wake-up
Chinese equivalent: 唤醒
It is a noun.
- wideband
Chinese equivalent: 宽带
Spelled-out form of WB.
- WB
Chinese equivalent: WB
Abbreviation for wideband.
- WWE
Chinese equivalent: WWE
Abbreviation for wake word engine.
- YUV
Chinese equivalent: YUV
A color model typically used as part of a color image pipeline.