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X-CUBE-AUDIO

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Audio effects software expansion for STM32Cube

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The X-CUBE-AUDIO package contains a comprehensive set of audio processing components for the STM32F4 and STM32F7 Series of microcontrollers. It is composed of high-quality efficient software libraries and modules ready to be embedded into a variety of audio appliances. All audio binaries are delivered with internal 32-bit processing and support either 16- or 32-bits I/O buffers.

Each audio effect application in X-CUBE-AUDIO expects a 16-bit stereo audio input signal at a 48-kHz sampling rate, using wave format with I/O data buffers dimensioned for 10 ms.

特徴
- STM32Cube audio effect modules and libraries for the STM32F4 and STM32F7 Series of microcontrollers
- 16-bit wave format stereo input at 48 kHz expected by Xcube audio applications
- 32-bit resolution audio library computation and 16- or 32-bit I/O buffers supported
- Bass manager (BAM): management of the low frequencies of a stereo signal, including compressor and limiter
- Generic biquad filter (BIQ): IIR second order filters and predefined standard filters such as peak removal, loudness, notch, voice enhancer, low-pass, and high-pass frequency response for transducer equalization
- Clock drift compensation (CDC): compensation of drift by smoothly adding or removing one sample
- Gain manager (GAM): management of input signal volume with negative gains in range [-80 dB: 0 dB] with 0.5 dB granularity without compression
- Graphical equalizer (GREQ): 5, 8 or 10 bands. Adjustable gain factors from -12 dB to +12 dB in standard mode
- Headphone virtualizer (HPV): audio virtualization for headphones from a 1.0/2.0/5.1/7.1 input stream to a virtualized 2.0 output stream
- MP3 Decoder (MP3Dec): decoder for MPEG-1,2 or 2.5 formats (for layers 1, 2 and 3) supporting constant, free format or VBR variable bit rate for mono or stereo audio input streams with PCM (Pulse Code Modulation) decoded output.
- MP3 encoder (MP3Enc): encoder for MPEG-1,2 or 2.5 formats (for layer 3 only) supporting fixed or free format bit rate for mono or stereo audio input streams.
- Sampling rate converter (SRC236 and SRC441):
  
  sampling frequency conversion from any rate with a ratio of 2, 3, 6, 3/2, 1/2, 1/3, 1/6, or 2/3
  
  sampling frequency conversion from 44.1 kHz to 48 kHz
- Omni surround multichannel virtualizer (OMNI2):
  
  audio virtualization for loudspeakers from a 1.0/2.0/5.1/7.1 input stream to a virtualized 2.0 output stream (including stereo widening effect).
  
  Omni surround stereo widener (OMNI2_SW only) audio virtualization for loudspeakers from a 1.0/2.0 input stream to a widened 2.0 output stream.
- Smart volume control (SVC): management of audio input signal volume including a compression with gains in the range [-80 dB:+36 dB]
- Sound detector (SDR): audio signals detection used to trigger signal processing such as speech recognition
- Sound meter (SMR): level measurement on a logarithmic scale
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Under STMicroelectronics’ intellectual property rights and subject to applicable licensing terms for any third-party software incorporated in this software package and applicable Open Source Terms (as defined here below), the redistribution, reproduction and use in source and binary forms of the software package or any part thereof, with or without modification, are permitted provided that the following conditions are met: Redistribution of source code (modified or not) must retain any copyright notice, this list of conditions and the following disclaimer. Redistributions in binary form, except as embedded into microcontroller or microprocessor device manufactured by or for STMicroelectronics or a software update for such device, must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 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製品スペック (1)

	Resource title		Latest update
PDF	DB2940 Audio effects libraries software expansion for STM32Cube 6.0		01 Jan 1970	01 Jan 1970 DB2940 Audio effects libraries software expansion for STM32Cube 6.0

ユーザ･マニュアル (5 of 16)

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	Resource title	Latest update
PDF	STM32 and STM8 embedded software solutions 8.0	01 Jan 1970	01 Jan 1970 STM32 and STM8 embedded software solutions 8.0
PDF	STM32Cube and Azure RTOS overview 1.0	01 Jan 1970	01 Jan 1970 STM32Cube and Azure RTOS overview 1.0
PDF	STM32Cube ecosystem overview - Making STM32 development easier 1.2	01 Jan 1970	01 Jan 1970 STM32Cube ecosystem overview - Making STM32 development easier 1.2

パンフレット (2)

	Resource title		Latest update
PDF	STM32 Open Development Environment Brochure 16.10		01 Jan 1970	01 Jan 1970 STM32 Open Development Environment Brochure 16.10
PDF	Sensor & motion algorithm software pack for STM32Cube 1.0		01 Jan 1970	01 Jan 1970 Sensor & motion algorithm software pack for STM32Cube 1.0

ライセンス契約 (1)

	Resource title		Latest update
PDF	SLA0048 Mix Ultimate Liberty+OSS+3rd-party V1 - SOFTWARE LICENSE AGREEMENT 6.10		01 Jan 1970	01 Jan 1970 SLA0048 Mix Ultimate Liberty+OSS+3rd-party V1 - SOFTWARE LICENSE AGREEMENT 6.10

	Resource title	Latest update
PDF	UM1655 Omni2 multichannel library software expansion for STM32Cube 7.0	01 Jan 1970	01 Jan 1970 UM1655 Omni2 multichannel library software expansion for STM32Cube 7.0
PDF	UM1778 BAss Manager library software expansion for STM32Cube 6.0	01 Jan 1970	01 Jan 1970 UM1778 BAss Manager library software expansion for STM32Cube 6.0
PDF	UM1625 Biquad library software expansion for STM32Cube 4.0	01 Jan 1970	01 Jan 1970 UM1625 Biquad library software expansion for STM32Cube 4.0
PDF	UM1995 Clock drift compensation library software expansion for STM32Cube 3.0	01 Jan 1970	01 Jan 1970 UM1995 Clock drift compensation library software expansion for STM32Cube 3.0
PDF	UM2312 Development checklist for STM32Cube Expansion Packages 3.0	01 Jan 1970	01 Jan 1970 UM2312 Development checklist for STM32Cube Expansion Packages 3.0
PDF	UM2285 Development guidelines for STM32Cube Expansion Packages 2.0	01 Jan 1970	01 Jan 1970 UM2285 Development guidelines for STM32Cube Expansion Packages 2.0
PDF	UM2388 Development guidelines for STM32Cube firmware Packs 1.0	01 Jan 1970	01 Jan 1970 UM2388 Development guidelines for STM32Cube firmware Packs 1.0
PDF	UM2006 Gain Manager library software expansion for STM32Cube 2.0	01 Jan 1970	01 Jan 1970 UM2006 Gain Manager library software expansion for STM32Cube 2.0
PDF	UM1798 Graphical equalizer library software expansion for STM32Cube 5.0	01 Jan 1970	01 Jan 1970 UM1798 Graphical equalizer library software expansion for STM32Cube 5.0
PDF	UM2024 Headphone virtualization library software expansion for STM32Cube 3.0	01 Jan 1970	01 Jan 1970 UM2024 Headphone virtualization library software expansion for STM32Cube 3.0
PDF	UM1633 Omni2 stereo widening library software expansion for STM32Cube 9.0	01 Jan 1970	01 Jan 1970 UM1633 Omni2 stereo widening library software expansion for STM32Cube 9.0
PDF	UM1641 Sampling rate conversion SRC236 library software expansion for STM32Cube 6.0	01 Jan 1970	01 Jan 1970 UM1641 Sampling rate conversion SRC236 library software expansion for STM32Cube 6.0
PDF	UM1640 Sampling rate conversion SRC441 library software expansion for STM32Cube 6.0	01 Jan 1970	01 Jan 1970 UM1640 Sampling rate conversion SRC441 library software expansion for STM32Cube 6.0
PDF	UM1642 Smart volume control library software expansion for STM32Cube 7.0	01 Jan 1970	01 Jan 1970 UM1642 Smart volume control library software expansion for STM32Cube 7.0
PDF	UM2184 Sound detector library software expansion for STM32Cube 1.0	01 Jan 1970	01 Jan 1970 UM2184 Sound detector library software expansion for STM32Cube 1.0
PDF	UM2031 Sound meter library software expansion for STM32Cube 1.0	01 Jan 1970	01 Jan 1970 UM2031 Sound meter library software expansion for STM32Cube 1.0

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製品スペック (1)

ユーザ･マニュアル (5 of 16)

プレゼンテーション (3)

パンフレット (2)

ライセンス契約 (1)