Audio signal processing device and speaker
An audio signal processing and audio processing technology, which is applied in signal processing, frequency/direction characteristic devices, electrical digital data processing, etc., can solve the problems of a single audio signal, increase costs, and cannot meet the different needs of the same user, so as to improve The effect of user experience
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Embodiment 1
[0019] The following describes the audio signal processing device provided by Embodiment 1 of the present application. For the convenience of description, only the parts related to the present application are shown. Please refer to the attached figure 1 , The audio signal processing device according to Embodiment 1 of the present application includes: an input module 11 , a digital signal processing module 12 , an output module 13 and a control module 14 .
[0020] Wherein, the above-mentioned digital signal processing module 12 is connected with the above-mentioned input module 11 and the above-mentioned output module 13 , and the above-mentioned control module 14 is connected with the above-mentioned output module 13 .
[0021] The above-mentioned output module 13 is composed of more than two output channels. In Embodiment 1 of the present application, the output module 13 is composed of three output channels, namely the first output channel 131, the second output channel 132...
Embodiment 2
[0026] attached figure 2 It is a schematic structural diagram of an audio signal processing device provided by Embodiment 2 of the present application. For the convenience of description, only the parts related to this application are shown. The audio signal processing device includes: an input module 21, a digital signal processing module 22, an output module 23 and control module 24.
[0027] Wherein, the input module 21 is composed of a first input module 211 , a second input module 212 and a digital switching circuit 213 . The first input module 211 is used to receive network audio signals or digital audio signals, and convert the network audio signals or digital audio signals into I2S signals (Inter-IC Sound, integrated circuit built-in audio signals); the second input module 212 For receiving an analog audio signal, and converting the analog audio signal into an I2S audio signal; the digital switching circuit 213 is connected to the first input module 211 and the secon...
Embodiment 3
[0036] attached image 3 It is a structural schematic diagram of a sound box provided by Embodiment 3 of the present application. For the convenience of description, only the parts related to this application are shown. The sound box 30 includes an audio signal processing device, and the audio signal processing device includes: an input module 31, a digital A signal processing module 32 , an output module 33 and a control module 34 .
[0037] Wherein, the above-mentioned input module 31 is composed of a first input module 311, a second input module 312 and a digital switching circuit 313, wherein the first input module 311 is integrated in the central processing unit APQ8009 341 of the above-mentioned control module 34, the control module 34 The central processor APQ8009 341 also has a GPIO port to control the working state of the above-mentioned digital switching circuit 313. In addition, the second input module 312 includes a microphone and an analog-to-digital converter ADC...
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