For PCM output format, available options are “8000” and “16000”(default).ģ) Amazon Polly Speech Synthesis request syntax according to AWS Polly documentation.Īfter reading about WAV and PCM Wikipedia pages, I realized that WAV audio format is raw audio data in PCM format plus audio file headers. For PCM output format, AWS Polly returns audio/pcm in a signed 16-bit, 1 channel (mono), little-endian format.Ģ) Amazon Polly Speech Synthesis supports a few options of audio frequency in Hz which can be specified via SampleRate parameter. Amazon Polly Speech Synthesisġ) Amazon Polly Speech Synthesis method supports json, mp3, ogg_vorbis and pcm as output format which can be specified via OutputFormat parameter. Convert Amazon Polly Audio(Speech Synthesis) Output From PCM to WAVĬheck out how to convert Amazon Polly Audio from PCM to WAV format in Python.
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