A processing method of mix sound

A processing method and sound mixing technology, which is applied to instruments, electro-acoustic instruments, etc., can solve the problems of low sound mixing quality, harsh noise, and too loud accompaniment music, so as to improve the voice effect and quality and avoid dissonance , Improve the effect of voice quality

Active Publication Date: 2010-12-15
TENCENT TECH (SHENZHEN) CO LTD
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  • Summary
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The disadvantages of the prior art are: firstly, when the respective volumes of the two original PCM streams that need to be mixed have a large difference in volume, after mixing according to the existing method, the sound of the accompaniment music will be too loud and the human voice is too low, or the accompaniment may be too loud. The discordant voice effect of the music sound is too small and the human voice is too loud, the mixing quality is not high
Secondly, when the original volume of the two channels of sound is relatively large, since the amplitude value of the superimposed PCM voice exceeds the range specified by the sampling quantization level, the mixed sound will appear distorted. It will affect the voice effect and cause harsh noise

Method used

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  • A processing method of mix sound
  • A processing method of mix sound
  • A processing method of mix sound

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Embodiment Construction

[0023] The present invention will be further described in detail below through specific embodiments and accompanying drawings.

[0024] The core technical solution of the present invention is: a processing method for sound mixing, comprising:

[0025] A. Extract the amplitude value of each sampling point sequentially from at least two PCM streams that need to be mixed;

[0026] B. For each sampling point, use the weighted value set in advance for each PCM stream to carry out weighting processing on the amplitude value of each PCM stream at the sampling point respectively, and the amplitude value of each PCM stream at the sampling point The weighted values ​​are added together, and the obtained value is used as the amplitude value of the mixed PCM stream at the sampling point;

[0027] C. Encode the amplitude value of the audio mixing PCM stream at each sampling point in sequence, and convert it into an audio mixing PCM stream.

[0028] The sound mixing processing method of t...

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PUM

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Abstract

This invention discloses a mixture sound process method, which comprises the following steps: orderly extracting each sample point vibration value from at least two paths of impulse coding modulation PCW flow needed for mixture process; b, using preset weight value to process weight on sample point vibration range for each path of PCM flow and adding vibration range to get value as mixture PCW flow sample vibration range; c, orderly coding each sample point of PCM flow to change into mixture PCM flow.

Description

technical field [0001] The invention relates to a processing technology for digital voice streams, in particular to a processing method for mixing at least two digital voice streams. Background technique [0002] Currently, with the rapid development of computer networks, computer users can easily spread and share music on the network. For computer users who can no longer be satisfied with just singing karaoke, they hope to record music according to their preferences on their own computers, and then upload it to the computer network for everyone to enjoy and share. Therefore, the karaoke cover singing technology on the computer has also emerged at the historic moment. On the computer, users can freely customize their own cover effects, including volume control and various sound effects. The specific operation steps are that the user first stores the accompaniment audio file of the song to be sung on the computer; then, records on the computer, and the human voice after the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G10H1/00G10H7/00
Inventor 王麒
Owner TENCENT TECH (SHENZHEN) CO LTD
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