什么是runer音频输入是低阻抗吗入

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Title: Ring Runner: Flight of the Sages
Genre: , ,
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Release Date: 9 Jul, 2013
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-81%? 21? 4
Buy Ring Runner: Flight of the Sages 4 Pack
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-80%? 65? 13
About This Game
Ring Runner combines the fast-paced action of space combat with the rich story and skill variety of an RPG.Trek across the universe in a 30 hour long story-driven campaign based on a companion Sci Fi novel, or challenge 6 scenarios alone, cooperatively, or competitively through local or online multiplayer. Choose from 60 customizable hulls that act as templates for 400+ wildly-varied skills. Level layouts, backgrounds, and AI enemies are all procedurally generated, yielding billions of challenges.You awake from unelective brain surgery to find key memory centers of your brain missing. They've been replaced by Nero, your peanut-butter-craving neuro-Hud, who'll guide you through the universal super-highways known as The Rings. If you survive fiery trench runs, flail-swinging gladiators, and feuding trash moguls, you'll discover that you're a Sage, capable of rewriting the physical laws with your thoughts.But beware The Extinguishers!In the interests of universal order, The Consortium of the Inner Rings has slated the Sages for extinction, plunging the cosmos into a war with casualties measured in galaxies. You'll play a pivotal role in this terrible battle... if you can find out who you are.
400+ Unique Abilities - many inspired by fantasy games
60 Fully Customizable Ships - five archetypes, with many hybrids to choose from
30 Hour Story-Driven Campaign - universe based on a companion Sci Fi novel
6 Scenarios - Play alone or coop and competitively through online multiplayer
Infinite Challenges - The level layouts, backgrounds, and AI enemies are procedurally generated
Reliable Multiplayer - drop-in and drop-out of games with sea no waiting in lobbies
Local Coop - &Duo& ships allow a friend to act as a copilot, usable in multiplayer modes and second half of campaign
Full Soundtrack - 20 tracks of music and hundreds of original sound effects
Classic Arcade Inspired Mini-games - earn Sage abilities by conquering challenges in The Subrostrum
30 Prebuilt Ships - jump straight into the action with these handcrafted hullsChallenge these Scenarios through single or Online Multiplayer:
Space Defense League - League of Legends/DotA in space! Complete with cruisers, bosses, swarms of drones, and waves of power up crates
Zombie Survival - Rack up the kills before the hordes of space zombies feast on the
defeat custom bosses to gain Super Sage abilities!
Wave Survival - Survive waves of procedurally generated bosses, swarmers, and standard ships
Gladiator Mode - Run a gauntlet of procedurally generated bosses
Spire Battle - Fast-paced base vs base battles
Deathmatch - N it's every Sage for his or herself&Clearly had a little TLC put into it. The writing is solid by video game standards, the graphics are solid by indie game standards and the game’s fun by any standard.&
- Indiestatik&At its best, it takes the very idea of a twin-stick shooter, shakes it by the collar and shrieks, 'Space is enormous and deserves more than lasers and lightshows – let us strive for the beauty and variety that the stars deserve.'&
- Rock, Paper, Shotgun&Bites off way more than it can chew, and it’s endlessly endearing for it.&
- GiantBomb
System Requirements
Minimum:OS: XP, Vista, 7, 8 (32 or 64 bit)Processor: 2 GHzMemory: 1 GB RAMGraphics: Graphics: XNA Hi Def Profile Compatible GPUDirectX: Version 9.0Storage: 250 MB available space
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Kozoro专辑介绍:It’s so refreshing to hear something like this again, I wish there was more Drum & Bass like this. Undeniably good music from Kozoro.
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封面美如画
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关注虾米:应用speex进行音频去噪,speex功能很强大,因为opus的出现,用speex进行编码/解码的人几乎没有了,但是用speex来进行降噪,去除回声,增益还是很多。
这里用speex进行音频去噪,主要用如下几个关键点:
1,准确设置pcm音频的音频采样率,和帧长度,
st = speex_preprocess_state_init(FRAME_SIZE, FRAME_SAMPLERATE);//初始化
2,设置降噪参数,其中DENOISE_DB默认是-25,单位是dB(分贝);
int denoise = 1;
int noiseSuppress = DENOISE_DB;
speex_preprocess_ctl(st, SPEEX_PREPROCESS_SET_DENOISE, &denoise); //降噪
speex_preprocess_ctl(st, SPEEX_PREPROCESS_SET_NOISE_SUPPRESS, &noiseSuppress); //设置噪声的dB
源代码如下,main函数参数一是原始pcm文件名,参数二是去噪后的pcm文件名
#ifdef HAVE_CONFIG_H#include "../config.h"#endif
#include "speex/speex_preprocess.h"#include &stdio.h&
#define FRAME_SIZE 1152#define FRAME_SAMPLERATE 32000#define DENOISE_DB (-90)
int main(int argn, char* argv[]) {
char* szInFilename = NULL;
char* szOutFilename = NULL;
FILE* pInFileHandle = NULL;
FILE* pOutFileHandle = NULL;
short in[FRAME_SAMPLERATE];
SpeexPreprocessState *
int count=0;
printf("starting....\r\n");
if(argn != 3){
printf("please input 2 parameters\r\n");
return -1;
memset((void*)empty, 0, sizeof(empty));
szInFilename = argv[1];
szOutFilename = argv[2];
pInFileHandle = fopen(szInFilename, "rb");
if(!pInFileHandle){
printf("open file %s error\r\n", szInFilename);
return -2;
pOutFileHandle = fopen(szOutFilename, "wb");
if(!pOutFileHandle){
printf("open file %s error\r\n", szOutFilename);
fclose(pInFileHandle);
return -3;
st = speex_preprocess_state_init(FRAME_SIZE, FRAME_SAMPLERATE);
int denoise = 1;
int noiseSuppress = DENOISE_DB;
speex_preprocess_ctl(st, SPEEX_PREPROCESS_SET_DENOISE, &denoise); //降噪
speex_preprocess_ctl(st, SPEEX_PREPROCESS_SET_NOISE_SUPPRESS, &noiseSuppress); //设置噪声的dB
speex_preprocess_ctl(st, SPEEX_PREPROCESS_SET_AGC, &i);
speex_preprocess_ctl(st, SPEEX_PREPROCESS_SET_AGC_LEVEL, &i);
speex_preprocess_ctl(st, SPEEX_PREPROCESS_SET_DEREVERB, &i);
speex_preprocess_ctl(st, SPEEX_PREPROCESS_SET_DEREVERB_DECAY, &f);
speex_preprocess_ctl(st, SPEEX_PREPROCESS_SET_DEREVERB_LEVEL, &f);
int vad = 1;
int vadProbStart = 80;
int vadProbContinue = 65;
speex_preprocess_ctl(st, SPEEX_PREPROCESS_SET_VAD, &vad); //静音检测
speex_preprocess_ctl(st, SPEEX_PREPROCESS_SET_PROB_START , &vadProbStart); //Set probability required for the VAD to go from silence to voice
speex_preprocess_ctl(st, SPEEX_PREPROCESS_SET_PROB_CONTINUE, &vadProbContinue); //Set probability required for the VAD to stay in the voice state (integer percent)
int iLen = fread(in, sizeof(short), FRAME_SIZE, pInFileHandle);
if(iLen &= 0){
if (feof(pInFileHandle))
vad = speex_preprocess_run(st, in);
if(vad != 0){
printf("speech.\r\n");
fwrite(in, sizeof(short), FRAME_SIZE, pOutFileHandle);
printf("slience############################\r\n");
fwrite(in, sizeof(short), FRAME_SIZE, pOutFileHandle);
speex_preprocess_state_destroy(st);
fclose(pInFileHandle);
fclose(pOutFileHandle);
return 0;}
编译的Makefile如下:
OBJS = test.oCC = gccCFLAGS = -Wall -O -g -D HAVE_CONFIG_HLD
= /usr/local/lib/libspeexdsp.a INCLUDE_PATH = /usr/local/include/speex
test : $(OBJS) $(CC) $(OBJS) $(LD) -lm -I$(INCLUDE_PATH) -o test
test.o : test.c $(CC) $(CFLAGS) -I$(INCLUDE_PATH)
clean: rm -rf *.o test
而编译speexdsp-1.2rc3库文件的脚本如下:
./configure --prefix=/usr/local --enable-shared --enable-static --enable-sse
makemake install
去噪后的效果,感觉不是很理想,原因应该是speex的去噪功能比较简单,基本上是以来声音分贝来进行去噪,所以不是很准确。
接下来去研究一下Audacity的源码,看看是否能提高降噪效果。
相关网址:
/audacity/audacity
/audacity/audacity/blob/ae5d29a04815cc41ccf36ef765a9f/src/effects/NoiseRemoval.cpp
阅读(...) 评论()}

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