8results about How to "Improve audio quality" patented technology

This invention provides an audio dynamic range control circuit and an audio device. The audio dynamic range control circuit includes an audio zero-crossing detection circuit, a preprocessing circuit, a first control circuit, a first gain selection circuit, a gain multiplication processing circuit, a second control circuit, a third control circuit, and a second gain selection circuit. The audio dynamic range control circuit provided by this invention achieves an effect similar to the existing RMS algorithm by performing absolute value processing on the linear domain sampling data of the audio signal, while simplifying the hardware circuit implementation. Simultaneously, by detecting the zero-crossing position of the audio signal through the audio zero-crossing detection circuit, and updating the gain value at subsequent zero-crossing positions when a sampling point with high energy is detected, the nonlinearity of the output signal can be greatly improved and auditory discomfort can be eliminated, effectively improving audio quality.

The application provides a model training method, a speech conversion method and device, equipment and a storage medium, and belongs to the technical field of artificial intelligence. The method comprises the following steps: obtaining sample audio data of a sample speaker object; inputting the sample audio data into a neural network model comprising an encoding network and a decoding network; performing reconstruction processing on the sample audio data by using the encoding network to obtain initial audio data; performing speech alignment on the initial audio data to obtain a sample audio embedding vector; performing decoupling processing on the sample audio embedding vector, pre-acquired sample pitch parameters and a sample timbre feature vector by using the decoding network to obtain synthesized audio data; performing loss calculation on the synthesized audio data and sample speech data by using a loss function to obtain a model loss value; and performing parameter updating on the neural network model according to the model loss value to train the neural network model and obtain a speech conversion model. The application can improve the speech conversion effect.

Embodiments of the present application provide an audio data processing method, a server and a program product. The method is applied to a server, and the method comprises: performing redundant coding processing on to-be-processed audio data to obtain coded audio data, in a case where it is determined based on network state information that the redundant coding process is to be performed; and performing a first redundancy processing operation on the coded audio data to obtain processed audio data. The method significantly improves the quality of audio transmission in a weak network environment, reduces audio delay, freezing and distortion, and improves user experience.

The utility model relates to the technical field of wireless earphones, in particular to an ear clip type wireless earphone, which comprises a sounding piece provided with a sounding hole. The ear hook is connected with the sound production part; the battery compartment is arranged at one end, far away from the sound production part, of the ear hook; in a wearing state, the ear hooks are configured to bypass auricles from the auricular conchae of a user, so that the battery bins are located between the head of the user and the auricles, and the sound production holes face the ear canals of the user; one end, far away from the ear hook, of the sounding piece is provided with a first tangent plane, one end, far away from the ear hook, of the battery compartment is provided with a second tangent plane, the first tangent plane is parallel to the second tangent plane, and the distance between the first tangent plane and the second tangent plane is 1-3mm. The earphone provided by the utility model improves the sound quality definition and immersion under the condition that the wearing comfort is ensured, and reduces the sound leakage of the earphone.

The present disclosure relates to an audio recording method, device, electronic equipment, storage medium and program product. The audio recording method comprises: determining at least one target channel satisfying a preset condition during audio recording, the preset condition representing that the audio quality of the audio data obtained by recording through the target channel is higher than a preset audio quality; and recording audio through the at least one target channel to obtain target audio data. The method uses the target channel with audio quality higher than the preset audio quality to record and obtain target audio data, which can obtain high-quality input speech, improve the audio quality of the input speech, especially in the speech-to-text input scene, which can effectively improve the accuracy of speech-to-text, and thus improve the user experience of the speech input function.

Embodiments of the present application provide an audio processing method and device, electronic equipment and storage medium, belonging to the field of financial technology. The method comprises: generating a first latent variable based on a pre-configured audio encoder according to a first timbre vector, a first content vector and a first pitch vector; performing latent relationship mapping processing on the first latent variable to obtain a second latent variable; performing alignment processing on the first content vector and the obtained second pitch vector to obtain a second content vector corresponding to the to-be-processed audio; performing spectral optimization processing on the initial mel spectrum based on the audio encoder according to the first timbre vector, the second content vector, the second pitch vector and the second latent variable to obtain an optimized mel spectrum. Embodiments of the present application not only improve the sound quality and pitch of the to-be-processed audio, but also optimize the initial mel spectrum based on the improved audio parameters to obtain a beautified mel spectrum, which is conducive to improving the audio quality of sound beautification.

The utility model discloses a kind of ear support of head-mounted intelligent equipment and head-mounted intelligent equipment, the ear support of this head-mounted intelligent equipment includes shell, sound guide cavity, sound outlet, loudspeaker, the loudspeaker is set in the position corresponding to the rear of the pinna of wearer of the shell, the sound outlet is opened in the position corresponding to the front of the pinna of wearer on the shell, the sound guide cavity is located between the loudspeaker and the sound outlet to connect the loudspeaker and the sound outlet, and at least one acoustic wave reflection member is protruded on the inner wall of the sound guide cavity.The ear support of head-mounted intelligent equipment and head-mounted intelligent equipment disclosed by the utility model can effectively improve audio quality, and is applied to head-mounted intelligent equipment such as intelligent glasses.

The invention relates to an audio enhancement method and device and an earphone. The audio enhancement method comprises the following steps: acquiring an air conduction audio signal and a bone conduction audio signal; acquiring a first audio feature of the air conduction audio signal and a second audio feature of the bone conduction audio signal; performing feature extraction on the bone conduction audio signal through a trained feature extraction model to obtain a voiceprint feature of the bone conduction audio signal; inputting the voiceprint feature of the bone conduction audio signal, the first audio feature and the second audio feature into a trained amplitude prediction model to obtain a predicted amplitude; and enhancing the audio based on the predicted amplitude to obtain a target audio signal. According to the invention, the dual model mechanism fuses the advantages of bone conduction and air conduction, so that the obtained target audio signal does not lose the frequency band, the noise reduction is realized, and the audio quality is improved.